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programmable relay zen v2 units 1 programmable relay zen v2 units please read and understand this ca talog before purchasing the products. please consult your omron representative if you have any questions or comments. refer to ? warranty and application considerations? on page 36, and ? precautions for safe use? on page 34. even broader applicat ions with increased functionality and higher precision increased functionality in a compact body (70 mm wide 90 mm high). easy programming is available using the lcd and operation buttons. (see note 1.) this single unit easily provides relay, timer, counter, and time switch functions. expansion is easy with expansion i/o units, allowing up to 44 i/o points. (see note 2.) economy-type and communications-type cpu units have been added to series. improved weekly timers (see note 1.) increased timing accuracy with a monthly deviation of 15 s max. multiple-day operation and pulse output operation have been added. select from two power supply options: 100 to 240 vac or 12 to 24 vdc. note: 1. not supported for zen- @ c2 @@ - @ -v2 models. 2. when using cpu units with 20 i/o points. the information in this document applies to v2 units. refer to page 28 for details on differences with previous products. features easy and simple programming for automatic small-scale control saves space, wiring, and installation steps ? versatile functionality in a compact body (70 mm wide 90 mm high). this single unit easily provides relay, timer, counter, and time switch functions. wiring work is greatly reduced because separate wiring is not required for devices such as timers and counters. easy programming the lcd screen comes with 8 operation buttons on the front panel to enable programming in ladder view format. the lcd screen also has a backlight, making it easier to see when the zen is used in dark locations. note: not supported for zen- @ c2 @@ - @ -v2 models. 90 mm 70 mm
2 programmable relay zen v2 units flexible expansion enables up to 44 i/o points up to three expansion i/o units can be connected if there are not enough i/o points. expansion i/o units are only 35 mm wide. note: cpu units with 10 i/o points can be expanded to 34 i/o points. expansion i/o units cannot be connected to economy-type cpu units. support software with simulation function programs can be easily written, saved, and monitored by personal computer. programs can be simulated on the personal computer without connecting to the zen. note: for notebook computers that do not have an rs-232c serial port, connect the computer to the zen by connecting an omron cs1w-cif31 usb-serial conversion cable to the zen-cif01 connecting cable. other versatile functions use of a memory cassette makes it easy to copy and save programs. equipped with two analog input channels (cpu units with dc power supply only). password function ensures security. (see note.) multi-language display in six languages (english, japanese, german, french, spanish, italian). (see note.) display user-set messages or anal og-converted values. (see note.) note: not supported for zen- @ c2 @@ - @ -v2 models. enhanced features of v2 cpu units improved weekly timer and calendar timer functions note: not supported for zen- @ c2 @@ - @ -v2 models. the time precision has been increased. conventional model: 2-min difference/month -v2 models: 15-s difference/month (at 25 c) multiple-day operation and pulse-output operation are now possible. these improved functions are convenient for time-controlled applications such as lighting and air conditioning control. economy-type added to the series economy-type cpu units with a more affordable price have been added to the series, although expansion i/o units cannot be added. 12 to 24 vdc line voltage operation operation is now possible with 12 vdc. expansion i/o units have been reduced to half-size (35 mm wide). rs-485 communications model added to series production line conditions can be remotely monitored by monitoring the zen control status. more precise analog input conventional model: 10% fs -v2 models: 1.5% fs dc power supply models are equipped with two analog inputs (0 to 10 v). there are four analog compar ators. the increased precision makes it even easier to use the unit in simple control applications with voltage, current, temperature, and other analog values. 8-digit counter, 150-hz counter an 8-digit counter and 8-di git comparator have been added. the maximum count for dc power supply models is 150 hz. twin-timer operation added twin-timer operation allows you to set on and off times separately, greatly simplifying intermittent operation. lighting control air conditioning control office production line
programmable relay zen v2 units 3 series configuration cpu units power supply voltage: 100 to 240 vac, 12 to 24 vdc, output: relay, transistor output with lcd display, operation buttons, and calendar/clock function led type 10 i/o points standard lcd type economy type standard lcd type economy type communications type 20 i/o points 10 i/o points 20 i/o points zen-10c1 @ zen-10c3 @ zen-10c4 @ zen-20c1 @ zen-20c3 @ zen-10c2 @ (10 i/o points) zen-20c2 @ this cpu unit has no lcd, operation buttons, or calendar/clock function. expansion i/o units cannot be connected. expansion i/o units cannot be connected. rs-485 communications type. e xpans i on i/o u n i ts only 35-mm wide. 4 input, 4 output points p ower s upp l y u n i t same shape and design as zen. 24 vdc, 30 w s upport s o f tware allows easy programming and operation simulation.
4 programmable relay zen v2 units model number structure model number legend note: this model number legend includes comb inations that are not available. please check ?list of models? for availability. cpu units 1. number of i/o points 10: 6 inputs and 4 outputs (see note.) 20: 12 inputs and 8 outputs 2. type classifier 1: standard lcd type with display 2: led type without display 3: economy type with display (expansion i/o units cannot be connected.) 4: communications type with display 3. input type a: ac input d: dc input 4. output type r: relay t: transistor 5. supply voltage a: ac power supply d: dc power supply note: the communications-type cpu unit has 6 inputs and 3 outputs. expansion i/o units 1. number of i/o points 8: 4 inputs and 4 outputs 2. unit version classifier e1: can connect to v2 cpu units (see note.) 3. input type a: ac input d: dc input 4. output type r: relay t: transistor note: use a zen-8e @@ /-4e @ to connect to pre-v1 and v1 cpu units. zen- @ c @@@ - @ -v2 1 234 5 zen-8e1 @@ 1 234 this data sheet is provided as a guideline for selecting products. be sure to refer to the following user manuals for applicati on precautions and other information required for operation before attempting to use the product. zen operation manual (cat. no. z211) zen communications manual (cat. no. z212) zen support software operation manual (cat. no. z184-e1-03) the pdf versions of these manuals can be downloaded from the following website. zen website http://www.zen.omron.co.jp/eng/index.html
programmable relay zen v2 units 5 ordering information list of models cpu units and expansion i/o units note: 1. programming is not possible using only the cpu in the led-type cpu unit. zen support software or a memory cassette is required. 2. cannot be connected to pre-v1 and v1 cpu units. 3. the zen-8e1ar cannot be connected to a cpu unit with dc power supply. power supply unit note: refer to the zen-pa03024 datasheet (cat. no. l103) for detailed specifications. unit name no. of i/o points lcd display power supply voltage inputs outputs buttons, calendar, and clock analog input model cpu units standard lcd type 10 yes 100 to 240 vac 6 100 to 240 vac 4 relays yes no zen-10c1ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-10c1dr-d-v2 transistors zen-10c1dt-d-v2 20 100 to 240 vac 12 100 to 240 vac 8 relays no zen-20c1ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-20c1dr-d-v2 transistors zen-20c1dt-d-v2 led type without display (see note 1.) 10 no 100 to 240 vac 6 100 to 240 vac 4 relays no no zen-10c2ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-10c2dr-d-v2 transistors zen-10c2dt-d-v2 20 100 to 240 vac 12 100 to 240v ac 8 relays no zen-20c2ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-20c2dr-d-v2 transistors zen-20c2dt-d-v2 economy type (expansion i/o units cannot be connected) 10 yes 100 to 240 vac 6 100 to 240 vac 4 relays yes no zen-10c3ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-10c3dr-d-v2 20 100 to 240 vac 12 100 to 240 vac 8 relays no zen-20c3ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-20c3dr-d-v2 communica- tions type 10 100 to 240 vac 6 100 to 240 vac 3 relays no zen-10c4ar-a-v2 12 to 24 vdc 12 to 24 vdc yes zen-10c4dr-d-v2 zen kit set containing cpu unit (zen-10c1ar-a-v2), connecting cable, zen support software, and manual. ZEN-KIT01-EV4 set containing cpu unit (zen-10c1dr-d-v2), connecting cable, zen support software, and manual. zen-kit02-ev4 expansion i/o units 8 --- 100 to 240 vac 4 100 to 240 vac 4 relays --- zen-8e1ar (see notes 2, 3.) 12 to 24 vdc 12 to 24 vdc zen-8e1dr (see note 2.) --- transistors zen-8e1dt (see note 2.) power ratings input voltage output voltage output current model 30 w 100 to 240 vac 24 vdc 1.3 a zen-pa03024
6 programmable relay zen v2 units accessories (order separately) note: 1. memory cassettes created using a cpu unit can be read to other cp u units, regardless of which model is used. restrictions, appl y, however, to the functions that can be used, depending on the cpu unit version combination. for details, refer to ? memory cassette and cpu unit combinations? on page 33. 2. standard lcd-type, economy-type, and communications-type cpu units (i.e., excluding zen- @ c2 @@ - @ -v2 models). 3. led-type cpu unit without display (i.e., zen- @ c2 @@ - @ -v2 models). mounting accessories (order separately) system configuration note: 1. up to 3 expansion i/o units can be connected to any type of cpu unit except for economy-type cpu units. expansion i/o units wit h ac inputs, however, cannot be connected to cpu units with dc power supplies. 2. the connecting cable and memory cassette cannot be connected to the zen at the same time. 3. programs cannot be written to led-type cpu units (i.e., zen- @ c2 @@ - @ -v2 models) without the zen support software or a memory cassette. name specifications remarks model memory cassette eeprom (for data security and copying) enables programs and parameter settings to be saved or copied to another zen. (see note 1.) zen-me01 lcd-type cpu unit with display (see note 2.) led-type cpu unit without display (see note 3.) transfer from zen to memory supported not supported transfer from memory cassette to zen supported automatic transfer when power turned on memory cassette initialization supported not supported connecting cable 2 m rs-232c (9-pin d- sub connector) --- zen-cif01 battery unit 10 years min. battery life (at 25 c) ladder programs and parameter settings are saved to the cpu unit eep-rom but calendar, clock, and holding timer bits and holding timer/counter present values are held by the capacitor. therefore, if the power supply is interrupted for 2 days or more (at 25c), this data will be reset. use a battery unit for systems where the power supply may be interrupted for long periods. zen-bat01 zen support software runs on windows 95, 98, 2000, me, xp, or nt 4.0. specifically designed for the zen (cd-rom). zen-soft01-v4 name specifications model mounting track 50 cm (l) 7.3 mm (t) pfp-50n 1 m (l) 7.3 mm (t) pfp-100n 1 m (l) 16 mm (t) pfp-100n2 end plate pfp-m spacer pfp-s cpu unit power supply unit connecting cable support software memory cassette battery unit expansion i/o units
programmable relay zen v2 units 7 specifications ratings note: 1. can be mounted to 35-mm din track. 2. item specification zen- @ c @ ar-a-v2/zen-8e1ar zen- @ c @ d @ -d-v2/zen-8e1d @ rated supply voltage 100 to 240 vac, 50/60 hz 12 to 24 vdc (dc ripple rate: 5% max.) operating voltage range 85 to 264 vac 10.8 to 28.8 vdc power consumption cpu units without expansion i/o units zen-10c1ar-a-v2/zen-10c2ar-a-v2/ zen-10c3ar-a-v2 100 v ac: 5 va max. 240 v ac: 7 va max. zen-10c4ar-a-v2 100 v ac: 6 va max. 240 v ac: 8 va max. zen-20c @ ar-a-v2 100 v ac: 7 va max. 240 v ac: 10 va max. cpu units with three expansion i/o units zen-10c1ar-a-v2/zen-10c2ar-a-v2 100 v ac: 6 va max. 240 v ac: 8 va max. zen-10c4ar-a-v2 100 v ac: 7 va max. 240 v ac: 9 va max. zen-20c @ ar-a-v2 100 v ac: 8 va max. 240 v ac: 11 va max. expansion i/o units zen-8e1ar 100 v ac: 3 va max. 240 v ac: 4 va max. cpu units without expansion i/o units zen-10c @ dr-d-v2 12/24 v dc: 3 w max. (zen-10c3dr-d-v2: 2.8 w max.) zen-10c @ dt-d-v2 12/24 v dc: 2 w max. zen-20c @ dr-d-v2 12/24 v dc: 4 w max. zen-20c @ dt-d-v2 12/24 v dc: 2 w max. cpu units with three expansion i/o units zen-10c @ dr-d-v2 12/24 v dc: 4 w max. zen-10c @ dt-d-v2 12/24 v dc: 3 w max. zen-20c @ dr-d-v2 12/24 v dc: 5 w max. zen-20c @ dt-d-v2 12/24 v dc: 3 w max. expansion i/o units zen-8e1dr 12/24 v dc: 2 w max. inrush current zen-10c @ ar-a-v2: 4.5 a max. zen-20c @ ar-a-v2: 4.5 a max. zen-8e1ar: 4 a max. zen-10c @ d @ -d-v2: 30 a max. zen-20c @ d @ -d-v2: 30 a max. zen-8e1dr: 15 a max. ambient temperature 0 to 55 c ( ? 25 to 55 c for zen- @ c2 @@ - @ -v2 models) ambient storage temperature ? 20 to 75 c ( ? 40 to 75 c for zen- @ c2 @@ - @ -v2 models) ambient humidity 10% to 90% (with no condensation) ambient conditions no corrosive gases mounting method surface mounting, din track mounting (standard (vertical) installation and horizontal installation) (see notes 1 and 2.) terminal block solid-line terminal block (use solid wire or fine-stranded wire) terminal screw tightening torque 0.565 to 0.6 nm (5 to 5.3 in-lb) degree of protection ip20 (mounted inside a control panel) standard (vertical) installation horizontal installation
8 programmable relay zen v2 units characteristics note: 1. up to 34 points for cpu units with 10 i/o points. with communications-type cpu units, however, the cpu unit has 6 inputs and 3 outputs, for a maximum of 33 i/o points. 2. not provided for led-type cpu unit without display (i.e., zen- @ c2 @@ - @ -v2 models). communications specifications (communications-type cpu units) item specification control method stored program control i/o control method cyclic scan programming language ladder diagram program capacity 96 lines (3 input conditions and 1 output per line) max. no. of control i/o points 44 points (see note 1.) cpu units with 20 i/o points: 12 inputs and 8 outputs expansion i/o units: 4 inputs and 4 outputs each, up to 3 units. lcd display (see note 2.) 12 characters 4 lines, with backlight operation buttons (see note 2.) 8 (4 cursor buttons and 4 operation buttons) user program backup internal eeprom, memory cassette (optional) power interruption hold internal holding bit status, holding timer/counter present values, calendar and clock (year, month, day of month, day of week, time) super capacitor backup time:2 days min. (25 c) life of optional battery: 10 years min. (25 c) calendar and clock function (see note 2.) accuracy: 15 s/month (at 25 c) timer accuracy 0.01 s unit: ? 0.05% ? 10 ms max. (rate for set value) min/s unit: ? 0.05% ? 1 s max. (rate for set value) h/min unit: ? 0.05% ? 1 min max. (rate for set value) maximum counting speed 150 hz: 8-digit counter (f) set to high-speed operations (cpu units with dc power supplies only) (the counting speed may be less than 150 hz depending on the cycle time of the program. see page 21.) insulation resistance 20 m ? (at 500 vdc) min.: between power supply terminals and all output terminals. between terminals of different output circuits. between all terminals of cpu unit and all terminals of expansion i/o unit. insulation reinforced insulation between power supply or input terminals and output terminals. between terminals of different output circuits. between all terminals of cpu unit and all terminals of expansion i/o unit. no separation between power supply and input terminals of the same unit. between power supply terminals of cpu unit and computer connector, battery unit connector, or all expansion unit connectors (all interfaces are live parts). dielectric strength 2,300 vac, 50/60 hz for 1 min (leakage current 1 ma max.): between power supply terminals and all output terminals. between terminals of different output circuit. between all terminals of cpu unit and all terminals of expansion i/o unit. vibration resistance conforms to iec60068-2-6, 5 to 9 hz with 3.5-mm single amplitude, 9 to 150 hz acceleration 9.8 m/s 2 , 10 sweeps each in x, y, and z directions (1 octave/min) shock resistance conforms to iec60068-2-27, 147 m/s 2 , 3 times each in x, y, and z directions. weight cpu unit with 10 i/o points: approx. 300 g max. cpu unit with 20 i/o points: approx. 350 g max. expansion i/o unit: approx. 120 g max. item zen-10c4 @ r- @ -v2 communications rs-485 (two-wire, half duplex) synchronization method start-stop synchronization baud rate 4800, 9600, or 19200 bps transmission code ascii data bit length 7 or 8 bits stop bit length 1 or 2 bits error detection vertical parity (none, even, odd), block check character (bcc) flow control none interface rs-485 retry function none node number 0 to 99 (default: 1), xx (broadcasting)
programmable relay zen v2 units 9 approved standards note: emc conforms to en 61131-2 clause 8 except in the following cases. when expansion i/o units with dc inputs are connected to a cpu unit with an ac power supply, the burst immunity between power supplies will be 1 kv. when the signal wire for transistor outputs exceeds 10 m, t he surge immunity of dc output signal lines will not conform. input specifications cpu units ac inputs (not isolated) note: can be selected using the filter settings. dc inputs: i0 to i3 for units with 10 i/o points, i0 to i9 for units with 20 i/o points (not isolated) note: can be selected using the input filter settings, except when i0 is being used for an 8-digit counter with a high-speed input. item specification safety standards culus: ul508/csa c22.2 no.142 class i div2 conforms to en/iec 61131-2 clause 11, excluding 11.7.2.2 (overvoltage category 2 and pollution degree ii conforms to iec 60664-1) emc (see note.) radiation field emission cispr11 class a, group 1 noise terminal voltage emission cispr11 class a, group 1 electrostatic discharge immunity iec61000- 4-2 in air: 8 kv, in contact: 6 kv electromagnetic field immunity iec61000-4-3 10 v/m electrical fast transient/burst immunity iec61000-4-4 power line ac i/o: 2 kv dc i/o: 1 kv surge immunity iec61000-4-5 normal noise ac power supply, ac i/o: 1 kv dc power supply, dc i/o: 0.5 kv common noise ac power supply, ac i/o: 2 kv dc power supply: 1 kv dc i/o: 0.5 kv immunity to conducted disturbances induced by radio-frequency fields iec61000-4-6 3 v momentary power interruption immunity iec61131-2 cpu units with ac power supplies: 10 ms max. cpu units with dc power supplies: 2 ms max. (level: ps1) item specifications circuit drawing input voltage 100 to 240 vac +10%, ? 15%, 50/60 hz input impedance 680 k ? input current 0.15 ma/100 vac, 0.35 ma/240 vac on voltage 80 vac min. off voltage 25 vac max. on response time 50 ms or 70 ms at 100 vac (see note.) 100 ms or 120 ms at 240 vac (see note.) off response time item specifications circuit drawing input voltage 12 to 24 vdc +20%, ? 10% input impedance 5.3 k ? input current 4.5 ma (typ.)/24 vdc on voltage 8 vdc min. off voltage 5 vdc max. on response time 15 ms or 50 ms (see note.) off response time 100 to 240 vac n l in in 330 k ? 300 k ? 51 k ? internal circuit 12 to 24 vdc 5.1 k ? 1.8 k ? in in com internal circuit
10 programmable relay zen v2 units dc inputs: i4 and i5 for units with 10 i/o points, ia and ib for units with 20 i/o points (not isolated) note: can be selected using the input filter settings. expansion i/o units ac inputs (not isolated) note: can be selected using the input filter settings. dc inputs (zen-8e1dr: not isolated, zen-8e1dt: photocoupler isolated) note: 1. can be selected using the input filter settings. 2. the zen-8e1dt has no +/- terminals. there is no need to supply power. item specifications circuit drawing dc inputs input voltage 12 to 24 vdc +20%, ? 10% input impedance pnp: 5.5 k ? /14 vdc min. 100 k ? /14 vdc max. npn: 5.2 k ? input current pnp: 4.3 ma (typ.)/24 vdc npn: 4.6 ma (typ.)/24 vdc on voltage 8 vdc min. off voltage 3 vdc max. on response time 15 ms or 50 ms (see note.) off response time analog inputs input range 0 to 10 v external input impedance 100 k ? min. resolution 0.1 v (1/100 fs) accuracy 1.5% fs (at ambient operating temperature within rated range) ad conversion data 0 to 10.5 v (in increments of 0.1 v) 12 to 24 vdc in com 6.2 k ? 220 k ? 5.6 k ? 150 k ? 47 k ? 47 k ? 27 k ? ? + internal circuit analog voltage output device item specifications circuit drawing input voltage 100 to 240 vac +10%, ? 15%, 50/60 hz input impedance 680 k ? input current 0.15 ma/100 vac, 0.35 ma/240 vac on voltage 80 vac min. off voltage 25 vac max. on response time 50 ms or 70 ms at 100 vac (see note.) 100 ms or 120 ms at 240 vac (see note.) off response time item specifications circuit drawing input voltage 12 to 24 vdc +20%, ? 10% input impedance 6.5 k ? input current 3.7 ma (typ.)/24 vdc on voltage 8 vdc min. off voltage 5 vdc max. on response time 15 ms or 50 ms (see note 1.) off response time in in 100 to 240 vac n l 330 k ? 51 k ? 300 k ? internal circuit 12 to 24 vdc 6.2 k ? (see note 2.) 1.8 k ? in in com internal circuit
programmable relay zen v2 units 11 output specifications (cpu units and expansion i/o units) units with relay outputs units with transistor outputs item specifications circuit drawing maximum switching capacity 250 vac/8 a (resistive load: cos = 1) 24 vdc/5 a (resistive load) use the following values for the total of all outputs. cpu units with 10 i/o points: 20 a max. (15 a max. for communications-type cpu units) cpu units with 20 i/o points: 40 a max. expansion i/o units: 20 a max. minimum switching capacity 5 vdc/10 ma (resistive load) relay life electrical resistive load: 50,000 times (cos = 1) inductive load: 50,000 times (cos = 0.4) mechanical 10 million times on response time 15 ms max. off response time 5 ms max. item specifications circuit drawing maximum switching capacity 24 vdc +20%, 500 ma each circuit is configured with an independent common circuit leakage current 0.1 ma max. residual voltage 1.5 v max. on response time 1 ms max. off response time 1 ms max. q0 to q3/out0 to out3 q4/q6 com q5/q7 models with 20 i/o points only l l l internal circuit 1,000 300 100 10 02 4 6 810 contact current (a) 30 50 500 250-vac resistive load 24-vdc resistive load/ 250-vac inductive load 24-vdc inductive load (t = 7 ms) life ( 10 3 ) the life under the worst conditions, of the output contacts used in zen relay outputs is given in the above table. guidelines for the normal life of the relays are shown in the diagram on the right. life-test curve (reference value) usage: 360 times/hour note: the switching capacity, switching durability, and applicable load area when actually using the relay depend on the type of load, environmental conditions, and switching conditions. therefore, be sure to confirm these conditions for the actual machine before use. q0 to q3/out0 to out3 models with 20 i/o points only 390 ? com q4/q6 q5/q7 28.8 vdc max. 28.8 vdc max. l l l l 1 k ? + internal circuit
12 programmable relay zen v2 units connections input connections units with ac power supply note: 1. supply power to both the cpu unit and expansion i/o units from the same power supply and turn them on and off at the same time. 2. the input circuit commons for cpu units with ac power supply are internally connected to the n terminal of the power supply cir cuit. wire the l terminal to the power supply of the input device. 3. the input circuit commons for expansion i/o units with ac power supply are internally connected to the n terminal of the power supply circuit. wire the l terminal to the power supply of the input device. cpu units with 10 i/o poin ts and expansion i/o units cpu units with 20 i/o poin ts and expansion i/o units connecting expansion i/o units with dc inputs note: when connecting expansion i/o units with dc inputs to a cpu unit with an ac power supply, the burst noise immunity will be 1 kv (iec 61000-4-4). l n in0 in1 in2 in3 l n nc i0 i1 i2 i3 i4 i5 100 to 240 vac, 50/60 hz ln circuit protector input device cpu unit with 10 i/o points zen-8e1ar expansion i/o unit ( ac in p ut t yp e ) l n nc i0 i1 i2 i3 i4 i5 nc i6 i7 i8 i9 ia ib l n in0 in1 in2 in3 ln circuit protector cpu unit with 20 i/o points zen-8e1ar expansion i/o unit (ac input type) 100 to 240 vac, 50/60 hz input device l n nc i0 i1 i2 i3 i4 i5 com in0 in1 in2 in3 com in0 in1 in2 in3 l n cpu unit with 10 i/o points 100 to 240 vac, 50/60 hz dc power supply circuit protector input device zen-8e1dr expansion i/o unit (dc inputs and relay outputs) input device zen-8e1dt expansion i/o unit (dc inputs and transistor outputs)
programmable relay zen v2 units 13 units with dc power supply note: 1. be sure to connect the com terminal before turning on the power supply. if the com terminal is disconnected, or if the wiring i s changed after turning on the power supply, a malfunction may occur. 2. apply the power supply voltage through a relay or switch in such a way that the voltage reaches the rated value within 4 s. if the voltage is applied gradually, the power may not be reset or unstable output operations may result. cpu units with 10 i/o points for connections to negative ( ? ) common (pnp connection) com cpu unit with 10 i/o points input device 12 to 24 vdc for connecting analog input devices to input terminals i4 and i5 cpu unit with 10 i/o points 12 to 24 vdc com i0 i1 i2 i3 i4 i5 for connections to positive (+) common (npn connection) com i0 i1 i2 i3 i4 i5 + ? 12 to 24 vdc cpu unit with 10 i/o points input device note: when connected to the positive (+) common, i4 and i5 cannot be used as analog inputs. note: when connecting an analog input device, always connect the negative side to the com terminal.
14 programmable relay zen v2 units cpu units with 20 i/o points for connections to a negative common (pnp connection) for connecting analog input devices to input terminals ia and ib for connections to positive (+) common (npn connection) note: when connected to the positive (+) common, ia and ib cannot be used as analog inputs. expansion i/o units note: 1. supply power to both the cpu unit and expansion i/o units from the same power supply and turn them on and off at the same time. 2. zen-8e1ar expansion i/o units with ac inputs cannot be connected to cpu units with dc power supply. 3. the input circuit commons for zen-8e1dr expansion i/o units with relay outputs are each internally connected to one side of the power supply circuit (com terminal). 4. zen-8e1dt expansion i/o units with transistor outputs do not need to be connected to a power supply. for connections to negative ( ? ) common for connections to positive (+) common com i5 i6 nc i7 i8 i9 ia ib i0 i1 i2 i3 i4 cpu unit with 20 i/o points input device 12 to 24 vdc cpu unit with 20 i/o points 12 to 24 vdc com i5 i6 nc i7 i8 i9 ia ib i0 i1 i2 i3 i4 note: when connecting an analog input device, always connect the negative side to the com terminal. + ? com i5 i6 nc i7 i8 i9 ia ib i0 i1 i2 i3 i4 12 to 24 vdc cpu units with 20 i/o p oints input devic e + ? com i5 i0 i1 i2 i3 i4 com in0 in1 in2 in3 com nc in0 in1 in2 in3 12 to 24 vdc cpu unit with 10 i/o points zen-8e1dr expansion i/o unit (dc input, relay output) zen-8e1dt expansion i/o unit (dc input, transistor output) input device input device + ? com i5 i0 i1 i2 i3 i4 com in0 in1 in2 in3 com nc in0 in1 in2 in3 12 to 24 vdc cpu unit with 10 i/o points zen-8e1dr expansion i/o unit (dc input, relay output) zen-8e1dt expansion i/o unit (dc input, transistor output) input device input device
programmable relay zen v2 units 15 output connections units with relay outputs all four relay output circuits in both cpu units with 10 i/o points and expansion i/o units have independent contacts. cpu unit s with 20 i/o points have 4 independent contacts (q0 to q3) and the remaining four (q4 to q7) have 2 points/common. there are no restrictions for po larity. standard lcd-type cpu units, led-type cpu units, and economy-type cpu units communications-type cpu units expansion i/o units units with transistor outputs for cpu units with 10 i/o points and expansion i/o units, all 4 outputs in the transistor output circuits have independent circ uits. the terminals of output have polarity given on the terminal block, but no problem will result from reversing the connection positions of the pow er supply and load. for cpu units with 20 i/o points, outputs q0 to q3 in the transistor output circuits have independent circuits and outputs q4 t o q7 have 2 points per common. the terminals of output q0 to q3 have polarity giv en on the terminal block, but no problem will result from reversi ng the connection positions of the power supply and load. note: do not exceed a cable length of 10 m when connecting transistor outputs. standard lcd-type cpu units and led-type cpu units without display expansion i/o units q0 q1 q2 q3 q0 q1 q2 q3 q4 q5 q6 q7 load load load load load load load load load load load load cpu unit with 10 i/o points cpu unit with 20 i/o points q0 q1 q2 rs-485 b (+) a ( ? ) load load load communications-type cpu unit out 0 out 1 out 2 out 3 load load load load expansion i/o unit q0 + ? + ? + ? + ? q1 q2 q3 + ? + ? + ? + ? + ? ? + ? ? q0 q1 q2 q3 q4 q5 q6 q7 load load load load load load load load load load load load load cpu unit with 10 i/o points cpu unit with 20 i/o points q0 to q3 load q0 to q3 expansion i/o unit out2 out3 out0 out1 ? + ? + ? + ? + out0 to out3 load load load load load
16 programmable relay zen v2 units nomenclature standard lcd-type, economy-type, and communications-type cpu units (except for zen- @ c2 @@ - @ -v2 models) note: 1. with communications-type cpu units, the q3 terminal is used as the rs-485 terminal. for details, refer to ? output connections? on page 15. 2. economy-type cpu units are not provided with an expansion unit connector. do not remove the cover. left side front right side display screen power supply terminals input terminals operation buttons output terminals (see note 1.) battery unit connector (remove the seal to connect the battery unit.) zen support software connector (also used for memory cassette.) expansion unit connector cover (see note 2.) do not remove this cover until connecting an expansion unit. left side front right side display screen power supply terminals input terminals output terminals battery unit connector (remove the seal to connect the battery unit.) zen support software connector (also used for memory cassette.) expansion unit connector cover (see note 2.) do not remove this cover until connecting an expansion unit. q 4 i 6 i 7 i 8 i 9 i a i b q 6 q 5 q 7 20c1ar-a-v2 operation buttons run err cpu units with 10 i/o points cpu units with 20 i/o points display screen icon meanings icon meaning run display while in run mode. err indicates an error. displayed when there is a higher-level menu or ladder program line than the one currently displayed. displayed when there is a lower-level menu or ladder program line than the one currently displayed. displayed when a password had been set.
programmable relay zen v2 units 17 operation buttons esc button ok button del button alt button cursor buttons operation button names and operations button function menus writing ladder program setting parameters button input bit (see page 24.) del --- deletes inputs, outputs, connection lines, and blank lines. --- b6 on alt --- switches between normally open and normally closed conditions. changes to connection line write mode. inserts a line. --- b7 on up moves the cursor up and down. moves the cursor up and down. selects bit types and functions. moves the cursor up and down. changes numerals and parameters. b5 on down b2 on left --- moves the cursor right and left. moves the cursor right and left. b3 on right b4 on esc returns to the previous screen. cancels the setting and returns to the previous operation. cancels the setting and returns to the previous operation. b0 on ok selects the menu item at the cursor position. confirms the setting. confirms the setting. b1 on
18 programmable relay zen v2 units led-type cpu units without display (zen- @ c2 @@ - @ -v2) expansion i/o units (zen-8e1 @@ ) precaution when using expansion i/o units: up to three expansion i/o units can be connected. when removing the expansion unit connector cover from the side of the cpu unit, use a phillips screwdriver to remove the cover screw, and then insert a flat-blade screw driver in the cover gap to remove the cover, as shown at the right. left side front right side led indicators power supply terminals input terminals output terminals battery unit connector (remove the seal to connect the battery unit.) zen support software connector (also used for memory cassette.) expansion unit connector cover do not remove this cover until connecting an expansion unit. led indicators front left side right side power supply terminals input terminals output terminals battery unit connector (remove the seal to connect the battery unit.) zen support software connector (also used for memory cassette.) expansion unit connector cover do not remove this cover until connecting an expansion i/o unit. i 6 i 7 i 8 i 9 i a i b 20c2ar-a-v2 q 4 q 6 q 5 q 7 cpu units with 10 i/o points cpu units with 20 i/o points led indicators name led status power green lit power is on. not lit power is off. run green lit operating (run) not lit stopped (stop) error red lit error occurred. not lit normal left side front right side input terminals power supply terminals output terminals expansion i/o unit connector expansion i/o unit connector cover do not remove this cover until connecting an expansion i/o unit. phillips screwdriver flat-blade screwdriver
programmable relay zen v2 units 19 operation bits note: 1. for details, refer to the indicated item numbers on the following pages. 2. cpu units with 10 i/o points have 6 input bits (i0 to i5) and 4 output bits (q0 to q3). output bit q3 of communications-type cp u units, however, cannot be output externally. it can be used as a work bit. 3. these input bits are not supported by led-type cpu units without display. 1. additional bit output functions name symbol bit addresses no. of points operation details (see note 1.) input bits i i0 to ib (see note 2.) 12 reflect the on/off status of the input devices connected to the input terminals on the cpu unit. --- expansion input bits x x0 to xb 12 reflect the on/off status of the input devices connected to the input terminals on the expansion i/o units. output bits q q0 to q7 (see note 2.) 8 the on/off status of these output bits is used to control the output devices connected to the output terminals on the cpu unit. 1 expansion output bits y y0 to yb 12 the on/off status of t hese output bits is used to control the output devices connected to the output terminals on the expansion i/o units. work bits m m0 to mf 16 work bits can be used only within the zen program. i/os for external devices cannot be made (i.e., all i/o is internal). holding bits h h0 to hf 16 used the same as the work bits. however, if the power to the zen is turned off, these bits also maintain the previous on/off status. timers t t0 to tf 16 x: on-delay timer functions are selected from the screen when parameter settings are made. time units can be selected from the following: 0.01-s unit: 0.01 to 99.99 s min/s unit: 00 min 01 s to 99 min 59 s h/s unit: 00 h 01 min to 99 h 59 min 2 : off-delay timer o: one-shot pulse timer f: flashing pulse timer w: twin timer holding timers # #0 to #7 8 hold the present value being counted even if the trigger input or power supply is turned off and continue timing when the trigger input or power is restored. 3 counters c c0 to cf 16 reversible 4-digit c ounters that can be incremented and decremented. 4 8-digit counter f f0 1 reversible 8-digit count ers that can be incremented and decremented. cpu units with dc power supply suppor t a high-speed counter up to 150 hz. for details, refer to ?8-digit counter operation? on page 21. 5 weekly timers (see note 3.) @ @0 to @f 16 turn on and off during specified times on specified days. 6 calendar timers (see note 3.) ** 0 to * f 16 turn on and off between specified dates. 7 display bits (see note 3.) d d0 to df 16 display user-spec ified messages, times, timer/counter present values, or analog-converted values. 8 analog comparator bits a a0 to a3 4 used as program i nput conditions to output analog comparator comparison results. these bits can be used only for cpu units with dc power supply. 9 timer/counter comparator bits p p0 to pf 16 compare the present values of timers (t), holding timers (#), and counters (c). comparison can be made between t he same two counters or timers, or with constants. 10 8-digit counter comparator bits g g0 to g3 4 used to compare the present val ues of 8-digit counters (f) and output the comparison results. 11 button input bits (see note 3.) b b0 to b7 8 used as program input conditions and turn on when operation buttons are pressed in run mode. 12 [: normal set/reset operation a: alternate s: set r: reset q0 will turn on or off depending on the on/off status of the execution condition i0. q1 will stay on once the execution condition i1 has turned on once. a reset is used to turn q1 off. q1 is forced off when the execution condition i2 is turned on. q2 alternates between turning on and off when the execution condition i3 turns on. i0 [q 0 i1 sq1 i2 rq1 i3 aq2 i0 q0 i1 q1 i2 q1 i3 q2
20 programmable relay zen v2 units 2. using timers and holding timers 3. using holding timers x: on-delay timer turns on after set delay after the trigger input turns on. basic operation main applications when delayed operation or a time lag is required. : off-delay timer stays on while the trigger input is on and turns off after a set delay after the trigger input has turned off. basic operation main applications useful for off delay circuits for lights or fans o: one-shot pulse timer turns on for a set period after the trigger input turns on and regardless of how long the trigger input remains on. basic operation main applications useful for set operations where operation is always required during a regular period only. f: flashing pulse timer repeatedly turns on and off in a set cycle while the trigger input is on. basic operation main applications useful for flashing emergency lights or sounding buzzers as the output for an alarm circuit. w: twin timer repeatedly turns on and off in a set cycle while the trigger input is on. independent on- and off-time settings are possible. basic operation main applications useful for intermittent (on/off) operation, such as that used for fans. trigger input reset input setting present value 0 timer bit timing trigger input output 0 trigger input reset input setting present value timer bit timing trigger input output 0 trigger input reset input setting present value timer bit timing trigger input output 0 trigger input reset input setting present value timer bit timing trigger input output timing timing timing 0 off-time on-time trigger input reset input present value timer bit trigger input output timing (off-time) timing (on-time) timing (off-time) timing (on-time) x: on-delay timer turns on after set delay after the trigger input turns on. the present value is held while the trigger input is off. main applications to continue operation after momentary power loss or power interruptions. also can be used when delayed operation or a time lag is required. 0 trigger input reset input setting present value timer bit
programmable relay zen v2 units 21 4. counter operation 5. 8-digit counter operation counting speed of the 8-digit counter the maximum counting speed of the 8-digit counter is 150 hz. when the ladder program volume is large, however, this speed will be less than 150 hz. calculate the cycle time and confirm the maximum counting s peed using the following formula. the calculation serves as a gu ide only, so allow a suitable margin in the actual machine. maximum counting speed = 1,000,000 hz/ hz note: even if the calculated maximum counting speed exceeds 150 hz us ing this formula, the maximum counting speed will be 150 hz. cycle time calculation method refer to the following table for zen execution times. the execution times are provided as a guide. external factors, button ope rations, execution of zen support software operations, and timing of the proc essing affects the actual processing times. common processing time expansion i/o unit processing time communications processing time (only for cpu units with communications) ladder program execution time the counter bit turns on when the counter value (present value) reaches the set value (present value set value). the counter returns to 0 and the counter bit turns off when the reset input turns on. count inputs are not accepted while the reset input is turned on. the counter present value and counter bit (on/off) are held even if the operating mode is changed or the power supply is interrupted. counter input reset input present value set value 0000 counter bit counter direction specification input count speed operation h high speed the counter bit turns on when the counter value (present value) reaches the set value (present value set value). the counter returns to 0 and the counter bit turns off when the reset input turns on. count inputs are not accepted while the reset input is turned on. the counter present value and counter bit (on/off) are held even if the operating mode is changed or the power supply is interrupted. high-speed operation for cpu units with dc power supply, high-speed operation is possible for input i0 only. (maximum counting speed: 150 hz) llow speed 00000000 counter input reset input present value set value counter bit counter direction specification input cycle time ( s) =common processing time + processing time taken when expansion i/o units are connected + ladder program execution time + communications processing time (only for cpu units with communications) cycle time ( s) 2.2 unit type common processing time standard lcd-type cpu units, economy-type cpu units, and communications-type cpu units 850 s led-type cpu units 200 s unit type expansion i/o unit processing time expansion i/o units 160 s per unit reading information 170 s writing set values twin timer: 11,000 s others: 6,000 s writing time information 820 s per line 30 s: line containing program 7 s: empty lines *1 per output cpu unit output bits (q) 4 s*2 expansion i/o unit output bits (y) work bits (m) holding bits (h) timers (t)/holding timers (#) 15 s*3 counters (c)/8-digit counters (f) 13 s display bits (d) hour and minute (clk)/year and month (dat)/month and day (dat1): 21 s timers (t)/holding timers (#)/counters (c)/analog comparators: 28 s characters (chr)/8-digit counters (f): 38 s weekly timers (@) 4 s*4 calendar timers (*) 1 s analog comparators (a) 3 s comparators (p) 7 s*5 8-digit comparators (g) 4 s
22 programmable relay zen v2 units example calculation of ladder program execution time 6. weekly timer operation (only for standard lcd-type, economy-type, and communications- type cpu units) 7. calendar timer operation (only for standard lcd-type, economy-type, and communications-type cpu units) weekly timer mode operation nnormal operation typical timer operation between tuesday and friday every week, the weekly timer bit turns on from 08:15 until 17:30. timer operation extending past midnight between tuesday and friday every week, the weekly timer bit turns on from 23:00 until 05:00 the following day. d multiple- day operation the weekly timer bit turns on from tuesday 08:15 until friday 17:30 every week. ppulse- output operation every week, from tuesday through friday, the weekly timer bit turns on for 15 minutes and thirty seconds from 08:15. [q0 [q1 tt0 [q2 00 01 02 03 04 i0 i1 i2 q0 i3 i4 @0 p0 t0 ladder program execution time = *5: p0 *4: @0 *3: t0 (output) *2: q (outputs) for 3 points *1: for 5 lines (30 5) + (4 3) + 15 + 4 + 7 = 188 ( s) mon 24:00 17:30 8:15 0:00 weekly timer bit stop time start time tues wed date setting thurs fri sat sun time setting mon 24:00 23:00 5:00 0:00 start time stop time tues wed date setting thurs fri sat sun weekly timer bit time setting mon 24:00 17:30 8:15 0:00 stop time start time tues wed date setting thurs fri sat sun weekly timer bit time setting mon 24:00 8:15 0:00 start time tues wed date setting thurs fri sat sun weekly timer bit time setting operation time setting: 15 minutes, 30 seconds the calendar timer bit is on between 1 a p ril and 31 au g ust. jan 1 start date end date dec 31 calendar timer bit sep 1 apr 1
programmable relay zen v2 units 23 8. display settings (only for standard lcd-type, economy-type, and communications-type cpu units) note: 1. when l0 or l1 are selected to disable the display function screen, the display function screen will not be displayed automatica lly. use operation buttons to move to the display function screen. 2. when l2 or l3 are selected, the zen switches to the display f unction screen if the display function is enabled and the specifie d data is displayed. the main screen will no longer be displayed. to display the main screen, change the cpu unit to stop mode. 9. analog comparator operation 10. timer/counter comparator operation 11. 8-digit counter comparator operation backlight/display function screen switching l0: no backlight; no switching to display function screen (see note 1.) l1: backlight; no switching to display function screen (see note 1.) l2: no backlight; switching to display function screen (see note 2.) l3: backlight; switching to display function screen (see note 2.) display start position x (digit): 00 to 11 y (line): 0 to 3 display object chr characters (up to 12 characters - english, numerals, symbols) dat month/day (5 digits @@ / @@ ) clk hour/minute (5 digits @@ : @@ ) i4 to i5 analog-converted value (4 digits @@ : @ ) t0 to tf timer present value (5 digits @@ . @@ ) #0 to #7 holding timer present value (5 digits @@ . @@ ) c0 to cf counter present value (4 digits @@@@ ) f0 8-digit counter present value(8 digits @@@@@@@@ ) monitoring a: can read settings during operation. d: cannot read settings during operation. x00 x11 y0 to y3 10.5 10.0 5.2 00.0 0.0 10.0 v input voltage 10.5 v setting analog com p arator bit analog com p arator bit 10.0 00.0 analog input 1 analog input 2 converted value ? example 1 (when comparison shows analog input 1 5.2 v) ? example 2 (when comparison shows analog input 1 is analog input 2) comparator bit comparator bit c1 present valu e c2 present valu e #0 present value setting 12 min 34 s 0 ? example 1 (when comparison setting is holding timer #0 12 min 34 s) ? example 2 (when comparison setting is counter 1 (c1) counter 2 (c2)) 8-digit counter comparator bit 0 12000000 f0 present valu e ? wh en compar i son sett i ng i s 8-digit counter f0 12000000
24 programmable relay zen v2 units 12. specifications for button input bits (only for standard lcd-type, economy-type, and communications-type cpu units) the operation buttons are used to perform operations for input bi ts. they are useful when checki ng program operations or forcef ully resetting holding timers or counters. password function (only for standard lcd-type, economy-type, and communications-type cpu units) the zen has a password function to prevent incorrect manipulation of ladder programs or settings data by other operators. when the password (0000 to 9999) is set, the following operations will not be possible unless the password is input correctly. editing ladder program program all clear monitoring ladder programs changing/clearing password changing backlight off time setting input filter setting rs-485 communications alt button input 7 (b7) del button input 6 (b6) ok button input 1 (b1) esc button in p ut 0 ( b0 ) button input 5 (b5) button input 4 (b4) button input 3 (b3) button input 2 (b2)
programmable relay zen v2 units 25 zen support software functions note: always use zen-soft01-v4 as the support software for the v2 cpu unit. creating ladder programs zen ladder programs can be created with ease. note: the edit input dialog box is displayed when an input bit is inserted. timer, counter, and other parameter settings are also set in the edit input dialog box. they cannot be set in the edit output dialog box. monitoring ladder programs the operating status can be monitor ed from the support software by connecting to the zen using a connecting cable (zen-cif01). simulating ladder programs the simulation function makes it possible to check whether correct operation is performed without connecting to the zen. printing ladder programs ladder programs and i/o comments, as well as timer, counter and other parameter settings can be printed. note: both rs-485 communications and the zen monitoring function cannot be used at the same time with communications-type cpu units. the support software can also be used to save files and edit comments. refer to the zen support software operation manual (cat. no. z184-e1-03) for details.
26 programmable relay zen v2 units dimensions note: all units are in millimeters unless otherwise indicated. cpu units dimensions with battery unit q 4 i 6 i 7 i 8 i 9 i a i b q 6 q 5 q 7 20c1ar-a-v2 60 70 90 80 112.5 122.5 4.7 (sliding: 13 max.) 90 80 4.7 (sliding: 13 max.) 60 (112.5) * 80 tw o, m 4 4.5 5.5 45 44 56 45 44 56 unit mounting holes mounting hole dimensions note: use m4 screws for mounting. * the dimensions in parentheses refer to models with 20 i/o points. cpu units with 10 i/o points zen-10c @@@ - @ -v2 cpu units with 20 i/o points zen-20c @@@ - @ - v2 q 4 i 6 i 7 i 8 i 9 i a i b q 6 q 5 q 7 20c1ar-a-v2 zen-bat01 45 45 44 87.5 70 17.5 122.5 17.5 140 cpu units with 10 i/o points cpu units with 20 i/o points
programmable relay zen v2 units 27 expansion i/o units power supply unit accessories (order separately) 45 97 97 90 7.6 7.6 54 17.5 44 90 2 2 two, 3.5 dia. 35 tw o, m 3 din track hook (using slide) mounting hole dimensions zen-8e1 @@ 90 70 56 45 44 60 4.7 (sliding: 13 max.) 80 60 80 tw o, m 4 mounting hole dimensions zen-pa03024 battery unit zen-bat01 memory cassette zen-me01 connecting cable zen-cif01 cable length: 2m
28 programmable relay zen v2 units track mounting accessories (order separately) precautions when selecting zen programmable relays changes in comparison with previous models the power supply and transistor output voltage ranges for cpu units and expansion i/o units with dc power supply has been expan ded to 10.8 to 28.8 vdc. the width of expansion i/o units has been reduced by half and only 8-point models are available. the connection method between the cpu unit and expansion i/o units has changed. twin timer operation has been added to timers. multiple-day operation and pulse-output operation has been added to weekly timers. an 8-digit counter and 8-digit comparators have been added. the accuracy of analog inputs has been increased to 1.5% fs. the timing accuracy of weekly timers and calendar timers has been increased to 15 s or less per month (at 25 c). australia and new zealand daylight saving time (dst) settings have been added. cpu units with rs-485 communications and economic cpu units have been added. the heat slits in the cases of cpu units and expansion i/o units have been removed to prevent foreign matter from entering. model numbers have been changed to reflect the improved functionality. previous model numbers new model numbers 1 35 0.3 7.3 0.15 27 0.15 4.5 15 25 25 10 15 (5) * 10 25 25 * the numbers in p arentheses () are dimensions for the pfp-50n. 1,000 (500) * mounting track pfp-100n pfp-50n 15 25 25 1,000 4.5 25 25 15 10 1 24 27 35 0.3 16 1.5 29.2 10 pfp-100n2 4.8 1.3 35.5 35.3 1.8 1 1.8 10 6.2 m4 spring washer 50 11.5 m4 8 pan-head screw 10 end plate pfp-m 5 16 12 44.3 34. 8 16.5 spacer pfp-s zen- @ c @@@ - @ (pre-v1 cpu units) zen- @ c @@@ - @ -v1 (v1 cpu units) zen- @ e @@ (4e/8e-type expansion i/o units) zen- @ c @@@ - @ -v2 (v2 cpu units) zen-8e1 @@ (8e1-type expansion i/o unit) memory cassettes, connecting cables, and battery units have not been changed and can be used as they are with the new models.
programmable relay zen v2 units 29 precautions when switching from previous units previous models of expansion i/o units cannot be connected to v2 cpu units. zen-8e1 @ r expansion i/o units with relay outputs need to be connected to a power supply. a zen- @ c @ d @ -d-v2 cpu unit with dc power supply cannot be connected to an expansion i/o unit with ac inputs. when connecting expansion i/o units with dc inputs to a cpu unit with an ac power supply, the burst noise immunity will be 1 kv (iec 61000- 4-4). there is no change to the 8 a per cont act for relay output, but the total output for all contacts must be as follows: units with 10 i/o points: 20 a max. (15 a max. for communications-type cpu units) units with 20 i/o points: 40 a max. expansion i/o units: 20 a max. always use the zen-soft01-v4 support software for v2 cpu units. input wiring for cpu units with dc power supplies differs from that for pre-v1 cpu units. refer to the following diagrams. changes ratings and specifications cpu units 24 vdc com wiring required. analog inputs possible. + ? com negative ( ? ) com wiring cpu unit with 10 i/o points input devices 24 vdc + ? com com wiring required. positive (+) com wiring input devices cpu unit with 10 i/o points 24 vdc + ? nc analog inputs possible. input devices cpu unit with 10 i/o points v2 and v1 cpu units pre-v1 cpu units com wiring depends on whether a negative common or positive common is being used. the input circuit common terminal is connected internally to the negative ( ? ) side of the power supply circuit. note: i4 and i5 (ia and ib for cpu units with 20 i/o points) cannot be used as analog input terminals. item v2 units v1 units pre-v1 units rated power supply voltage models with dc power supply 10.8 to 28.8 vdc 20.4 to 26.4 vdc power consumption models with ac power supply see ratings on page 7. 30 va max. (with 3 expansion i/o units connected) models with dc power supply 6.5 w max. (with 3 expansion i/o units connected) inrush current models with ac power supply models with 10 i/o points: 4.5 a max. models with 20 i/o points: 4.5 a max. 40 a max. models with dc power supply models with 10 i/o points: 30 a max. models with 20 i/o points: 30 a max. 20 a max. dc inputs i0 to i3 (see note 1.) input impedance 5.3 k ? 5 k ? 4.8 k ? on voltage 8 vdc min. 16 vdc min. input common independent common terminal internally connected to power supply terminal
30 programmable relay zen v2 units note: 1. units with 20 i/o points: i0 to i9 2. units with 20 i/o points: ia to ib 3. refer to page 32 for details on compatible combinations of cpu units and expansion i/o units. expansion i/o units note: refer to page 32 for details on compatible combinations of cpu units and expansion i/o units. dc inputs i4 to i5 (see note 2.) input impedance 5.2 to 5.5 k ? 5 k ? on voltage 8 vdc min. 16 vdc min. off voltage 3 vdc max. 5 vdc max. analog inputs i4 to i5 (see note 2.) input impedance 100 k ? min. 150 k ? min. accuracy 1.5% fs (at ambient operating temperature within rated range) 10% fs (at ambient operating temperature within rated range) control outputs relay outputs 8 a per output total for all outputs must be as follows: units with 10 i/o points: 20 a max. (15 a max. for communications-type cpu units) units with 20 i/o points: 40 a max. 8 a per output transistor outputs 28.8 v max. 26.4 v max. timing accuracy of weekly and calendar timers 15 s or less per month (at 25 c) 2 min per month mounting direction standard (vertical) installation and horizontal installation standard (vertical) installation terminal block tightening torque 0.565 to 0.6 nm (5 to 5.3 in-lb) 0.5 to 0.6 nm connectable expansion i/o units zen-8e1 @ (see note 3.) zen-4e @ and zen-8e @ case structure no heat slits heat slits item v2 units v1 units pre-v1 units item 8e1 type 4e/8e type model unit with 8 i/o points units with 4 input, 4 output, or 8 i/o points ac inputs input impedance 680 k ? 83 k ? isolation no isolation photocoupler input common internally connected to power supply terminal independent common terminal dc inputs input voltage 10.8 to 28.8 vdc 20.4 to 26.4 vdc input impedance 6.5 k ? 4.7 k ? isolation zen-8e1dr: no isolation zen-8e1dt: photocoupler photocoupler on voltage 8 vdc min. 16 vdc min. input common zen-8e1dr: internally connected to power supply terminal zen-8e1dt: independent common terminal independent common terminal control output relay outputs 8 a per output total for all outputs must be as follows: units with 10 i/o points: 20 a max. units with 20 i/o points: 40 a max. 8 a per output transistor outputs 28.8 v max. 26.4 v max. mounting screws m3 (mounting holes on din track hooks) m4 (mounting holes on unit) connectable cpu unit v2 cpu units (see note.) v1 or pre-v1 cpu units dimensions (h w d) 90 35 56 mm 90 70 56 mm case structure no heat slits heat slits
programmable relay zen v2 units 31 other functions note: not displayed for v2 cpu units except for units with communications. bits note: output bit q3 of communications-type cpu units cannot be output externally. it can be used as a work bit. item v2 units v1 units pre-v1 units bits timer operation on-delay, off-delay, one-shot pulse, flushing pulse, twin timer operation on-delay, off-delay, one-shot pulse, flushing pulse weekly timer operation timer operation, multiple-day operation, pulse- output operation timer operation addition of bits 8-digit counter (1 counter, up to 150 hz) 8-digit comparators (4 comparators) --- daylight saving time (dst) setting manual, eu, us. australia, new zealand manual, eu, us items set for password ladder program editing program all clear ladder monitoring password change/clear backlight shut-off time input filter settings node number setting (see note.) ladder program editing ladder monitoring password change/clear backlight shut-off time input filter settings node number setting lcd contrast adjustment not possible possible menus node number setting window node number setting window deleted (except for units with communications). node number setting window displayed. modem initialization window modem initialization window deleted (except for units with communications). modem initialization window displayed. rs-485 communications models added with communications. zen-10c4 @ r- @ -v2 --- economy-type cpu units economy-type models added. zen- @ c3 @ r- @ -v2 expansion i/o units cannot be connected. other functions are the same as the standard lcd models. --- name cpu unit v2 units v1 units pre-v1 units 10 i/o points 20 i/o points 10 i/o points 20 i/o points 10 i/o points input bits i 6 points 12 points 6 points 12 points 6 points output bits q 4 points (see note.) 8 points 4 points 8 points 4 points timers t 16 points 8 points holding timers # 8 points 4 points counters c 16 points 8 points weekly timers @ 16 points 8 points calendar timers * 16 points 8 points display bits d 16 points 8 points work bits m 16 points holding bits h 16 points expansion input bits x 12 points expansion output bits y 12 points analog comparator bits a 4 points timer/counter comparator bits p 16 points 8-digit counter f 1 point --- 8-digit counter comparator bits g 4 points ---
32 programmable relay zen v2 units compatible combinations of cp u units and expansion i/o units the expansion i/o units that can be connected to v2 cpu units are different from those that can be connected to v1 cpu units an d previous cpu units. expansion i/o units with ac inputs cannot be connected to v2 cpu units with dc power supplies. expansion i/o units c annot be connected to economy-type cpu units. cpu units supported expansion i/o units version cpu unit type power supply model v2 standard lcd type led type communications type ac zen- @ c1ar-a-v2 zen- @ c2ar-a-v2 zen-10c4ar-a-v2 zen-8e1ar zen-8e1dr zen-8e1dt standard lcd type led type dc zen- @ c1d @ -d-v2 zen- @ c2d @ -d-v2 zen-8e1dr zen-8e1dt economy type ac zen- @ c3ar-a-v2 not supported. dc zen- @ c3dr-d-v2 v1 and pre-v1 standard lcd type led type ac zen- @ c1ar-a-v1 zen- @ c1ar-a zen- @ c2ar-a-v1 zen- @ c2ar-a zen-4ea zen-4ed zen-4er zen-8ear zen-8edr zen-8edt dc zen- @ c1d @ -d-v1 zen- @ c1d @ -d zen- @ c2d @ -d-v1 zen- @ c2d @ -d
programmable relay zen v2 units 33 memory cassette and cpu unit combinations be aware of the following restrictions when using a memory cassette containing a program that was stored from a cpu unit with a different version of system software. note: 1. the display functions (display clear: -cd @ and day/month display: dat1) cannot be used and will be ignored. 2. only the memory area ranges supported by the pre-v1 cpu units can be used for timers, holding timers, counters, weekly timers, calendar timers, and displays (i.e., only half of each). 3. only 6 inputs and 4 outputs can be used in the cpu unit i/o bits. any others will be ignored. 4. twin timer operation for timers, multiple-day operation and pulse operation for weekly timers, the 8-digit counter, and 8-digit comparators cannot be used. new zealand and australia cannot be set for daylight saving time (dst). support software and cpu unit combinations note: 1. the display functions (display clear: -cd @ and day/month display: dat1) cannot be used and will be ignored. 2. only the memory area ranges supported by the pre-v1 cpu units can be used for timers, holding timers, counters, weekly timers, calendar timers, and displays (i.e., only half of each). 3. twin timer operation for timers, multiple-day operation and pulse operation for weekly timers, the 8-digit counter, and 8-digit comparators cannot be used. new zealand and australia cannot be set for daylight saving time (dst). difference between zen programmable relays and plc ladder program execution zen programmable relays the on/off status produced by an output contact will not be used as the input contact status in t he same cycle, but it can be used in the next cycle. omron sysmac plcs when the following instructions are executed, q0 turns on/off at the same time as the other bits. system software version of cpu unit used to write the memory cassette system software version of cpu unit used to read the memory cassette ver. 1.0 ver. 1.1 ver. 2.0 (v1 cpu units) ver. 3.0 (v2 cpu units) 10 i/o points 20 i/o points 10 i/o points 20 i/o points ver. 1.0okokokokokok ver. 1.1 restrictions (see note 1.) ok ok ok ok ok ver. 2.0 (v1 cpu units) 10 i/o points restrictions (see notes 1 and 2.) restrictions (see note 2.) ok ok ok ok 20 i/o points restrictions (see notes 1, 2, and 3.) restrictions (see notes 2 and 3.) restrictions (see note 3.) ok restrictions (see note 3.) ok ver. 3.0 (v2 cpu units) 10 i/o points restrictions (see notes 1, 2, and 4.) restrictions (see notes 2 and 4.) restrictions (see note 4.) restrictions (see note 4.) ok ok 20 i/o points restrictions (see notes 1 to 4.) restrictions (see notes 2, 3, and 4.) restrictions (see note 4.) restrictions (see note 4.) restrictions (see note 3.) ok cpu unit system software support software ver. 1.0 zen-soft01 ver. 2.0 zen-soft01-v2 ver. 3.0 zen-soft01-v3 ver. 4.1 zen-soft01-v4 ver. 1.0 (pre-v1 units) ok ok restrictions (see notes 1 and 2.) restrictions (see notes 1, 2, and 3.) ver. 1.1 (pre-v1 units) restrictions (see note 1.) ok restrictions (see note 2.) restrictions (see notes 2 and 3.) ver. 2.0 (v1 cpu units) 10 i/o points restrictions (see notes 1 and 2.) restrictions (see note 2.) ok restrictions (see note 3.) 20 i/o points not applicable. not applicable. ok restrictions (see note 3.) ver. 3.0 (v2 cpu units) not applicable. not applicable. not applicable. ok 0 1 2 3 4 i0 bus bar executed sequentially from the bus bar. i1 i2 [ q0 [ q1 tt0 [ q2 q0 i3 i4 t0 zen executes the entire ladder program (up to 96 lines) from the first to last line at one time. each row is executed in order from left to right starting from the left bus bar. 1 cycle 1 cycle 0 1 i0 m0 q0 i0 [ m0 [ q0 m0 0 1 2 3 4 i0 end i1 i2 [ q0 [ q1 tt0 [ q2 q0 i3 i4 t0 plcs execute ladder programs one rung (circuit) at a time, starting with the top rung and executing it in order from the left. when the end instruction is reached, the program is executed again from the first rung. 0 1 i0 m0 q0 i0 [ m0 [ q0 m0
34 programmable relay zen v2 units precautions ! warning serious human hazard may occasionally occur due to ignition or rupture of the lithium battery used in the battery unit. do not short the battery terminals or charge, disassemble, deform under pressure, or incinerate the battery. never use any battery that has been dropped on the floor or otherwise subjected to excessive shock. ! caution electric shock, fire, or malfunction may occur. do not disassemble, modify, or repair the zen or touch any of the internal parts. electric shock may occur. never touch the i/o terminals, computer connector, or battery unit connector while power is being supplied. electric shock may occur. do not remove the expansion unit connector cover unless an expansion i/o unit will be permanently installed. fire may occasionally occur. tighten the terminal screws to a torque of 0.565 to 0.6 nm (5 to 5.3 in-lb). precautions for safe use please observe the following precautio ns for safe use of this product. circuit design all interface connectors and battery connectors are live parts. they may not be directly connected to a safety extra low voltage (selv) circuit or to accessible conductive parts. for programming units and personal computers use only the connecting cable zen-cif01 (optional accessory) manufactured by omron. zen-cif01 provides safe (reinfo rced) insulation between personal computers and zen. provide emergency stop circuits, external interlock circuits, limit circuits, and other safety circuits in addition to any provided within the zen control circuits to ensure safety of the overall system in the event of zen failure or external factors. if the zen discovers an error during self-diagnosis, operation will be stopped and all outputs will be turned off. as a countermeasure for such problems, external safety measures must be provided to ensure safety in the overall system. outputs from the zen may remain on or off due to faults in internal circuits such as output relay fusing or burning, or output transistor destruction. as a countermeasure for such problems, external safety measures must be provided to ensure safety in the overall system. fail-safe measures must be taken by the user to ensure overall system safety in the event of broken signal lines or momentary power interruptions. the durability of the output relays is largely affected by the switching conditions. confirm the operation of the system under actual operating conditions and set the switching frequency to ensure that adequate performance will be provided. insulation faults and burning in the zen may result if relays are used after their performance has deteriorated. connecting expansion i/o units supply power to both the cpu unit and expansion i/o units from the same power supply and turn them on and off at the same time. when connecting expansion i/o units with dc inputs to a cpu unit with an ac power supply, the burst noise immunity will be 1 kv (iec 61000-4-4). expansion i/o units with ac inputs (zen-8e1ar) cannot be connected to a cpu unit with a dc power supply. system startup and program changes check the user program for proper execution before actually running it on the unit. disconnect the output lines from the system before testing operation in any system in which incorrect operation can result in injury or equipment damage. confirm safety before attempting any of the following operations. changing the operating mode (run/stop). using the button switches. changing bit status or parameter settings. double-check all wiring before turning on the power supply. refer to ?cycle time calculation method? on page 21 and confirm that the increase in the cycle time will not affect operation. if the cycle time is too long, it may become impossible to read input signals accurately. the increase in the cycle time will be particularly noticeable when set values are written in run mode for a cpu unit with communications (zen-10c4 @ r- @ -v2). installation and wiring do not allow the zen to fall during installation. be sure that the din track mounting levers, memory cassettes, battery units, cable connectors, and other items with locking devices are properly locked into place. improper locking may result in malfunction. for surface mounting, tighten mounting screws to the following torque. cpu units: 1.03 nm max. expansion i/o units: 0.46 nm max. use wires with cross-sectional areas of 0.2 to 2.5 mm 2 (equivalent to awg24 to awg14) for wiring and strip them for 6.5 mm. handling the environment of use for the zen is "pollution degree 2" and "overvoltage category ii" specified in iec60664-1. always use the zen within the rated ambient operating temperature and humidity. the rated ambient operating temperature is 0 to 55 c ( ? 25 to 55 c for led-type cpu units). if the zen is used near sources of heat, such as a power supply, the internal temperature of the zen may increase, lowering the durability of the zen. discharge static electricity from your body, e.g., by touching a grounded metal plate, before touching any unit. the exterior of the units will be damaged if it comes into contact with organic solvents (e.g., benzene or paint thinner), strong alkalies, or strong acids. never allow such substances to come into contact with the units. do not apply voltages exceeding the rated voltages. internal elements may be destroyed. short failures or open failures may result from the destruction of output elements. do not use loads that exceed the rated output current. maintenance when replacing a cpu unit, transfer to the new unit and confirm all settings for clock data, internal holding bits, holding timers, and counters before starting operation again. transportation and storage use special packing boxes when transporting the zen and do not subject it to excessive shock or vibration or drop it during shipment. store the zen within the rated ranges. if the zen has been stored at ? 10 c or lower, allow it to stand at room temperature for three hours or longer before turning on the power supply.
programmable relay zen v2 units 35 precautions for correct use installation environment do not install the zen in the following locations. locations subject to radi cal changes in temperature locations with high humidity subject to condensation locations subject to excessive dust or dirt locations subject to corrosive gas locations subject to direct sunlight do not install the zen in locations subject to shock or vibration. extended use in such locations may cause damage from stress. in environments subject to static electricity (e.g., close to pipes conveying forming materials, powders, or fluid materials), separate the zen as far as possible from the source of static electricity. the zen is neither waterproof nor oil-proof. do not use it in locations subject to water or oil. use the zen within the allowable power supply voltage range. be particularly careful in locations with bad power supply conditions, e.g., large fluctuations in the power supply voltage. do not install the zen in locations subject to excessive noise, which may cause the zen to fail. take appropriate and sufficient countermeasures when installing systems in the following locations: locations subject to st rong electromagnetic fields locations subject to possibl e exposure to radioactivity power supply always turn off the power supply to the zen before attempting any of the following. assembling the zen connecting or disconnecting any cables or wiring attaching or removing the memory cassette attaching or removing the battery unit if the power supply is interrupted for two days or more (at 25 c), the internal capacitor will dischar ge and internal bit status and the contents of pv areas will be lost or corrupted and dates and times will be reset. when restarting operation after the power supply has been interrupted for an extended period of time, check the system in advance to confirm that no errors will occur. handling connect connectors only after confirming that the direction or polarity is correct. failures could result if dust or dirt enters the zen. always connect the connector cover to the computer connector whenever it is not being used. do not remove the label from the left side of the cpu unit if a battery unit is not mounted. other the execution of the ladder program in the zen is different from that for other plcs. refer to ? difference between zen programmable relays and plc ladder program execution? on page 33. abide by all local ordinances and r egulations when disposing of the zen. the battery unit (zen-bat01, sold separately) contains a lithium battery. observe all applicable legal requirements for your area when disposing of the lithium battery.
in the interest of product improvement, specifications are subject to change without notice. all dimensions shown are in millimeters. to convert millimeters into inches, multiply by 0. 03937. to convert grams into ounces, multiply by 0.03527. cat. no. l106-e1-02 omron corporation industrial automation company control devices division h.q. analog controller division shiokoji horikawa, shimogyo-ku, kyoto, 600-8530 japan tel: (81)75-344-7080/fax: (81)75-344-7189 printed in japan 1006-0.3m (0406) (c) warranty and appli cation considerations note: this datasheet is provided as a guideline for selecting products. do not use this document to operate the unit. warranty and limitations of liability warranty omron's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by omron. omron makes no warranty or representation, express or implied, regarding non-infringement, merchantability, or fitness for particular purpose of the products. any buyer or user acknowledges that the buyer or user alone has de termined that the products will suitably meet the requirements of their intended use. omron disclaims all other warranties, express or implied. limitations of liability omron shall not be responsible for special, indirect, or consequential damages, loss of profits, or commercial loss in any way connected with the products, whether such claim is based on contract, warranty, negligence, or strict liability. in no event shall the responsibility of omron for any act exceed the individual price of the product on which liability is asse rted. in no event shall omron be responsible for warra nty, repair, or other claims regarding the products unless omron's analysis confirms that the products were properly handled, stored, installed, and maintained and not subject to contamination, abuse, misuse, or inappropriate modification or repair. application considerations suitability for use omron shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. take all necessary steps to determine the suitability of the product for the systems, machines, and equipment with which it wil l be used. know and observe all prohibitions of use applicable to this product. never use the products for an application involv ing serious risk to life or property without ensuring that the system as a whole has been designed to address the risks, and that the omron products are properly rated and installed for the intended use within the overall equipment or system. programmable products omron shall not be responsible for the user?s programming of a programmable product, or any consequence thereof. disclaimers change in specifications product specifications and accessories may be changed at any time based on improvements and other reasons. consult with your omron representative at any time to confirm actual specifications of purchased product. dimensions and weights dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown. performance data performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. it may represent the result of omron?s test conditions, and the users must correlate it to actual application requirements. actual performance is subject to the omron warranty and limitations of liability.

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