? phoenix contact - 05/2007 103031_00_en interface pi-ex-mb/16/3/d-sub data sheet 1 description the pi-ex-mb/16/3/d-sub ex universal module carrier (motherboard) is used as the base element for 16 plug-in pi ex modules. this is an item of associated equipment from phoenix contact for use in potentially explosive areas according to ex-i protection. the ex universal module carrier can be snapped onto popular din rails (e.g., ns 35/7.5 or ns 32). it has 16 electronics bases for accommodating and contacting plug-in pi ex specia l function modules, which are grouped together on the motherboard in a stable housing. each of the 16 slots for the pi ex modules has three terminal points to field level, to which 3-wire measuring transducers can be connected. a 37-pos. d-sub connector is installed on the system side. the power is supplied centrally. on the system side, a multiple connector enables all modules to be connected directly to the i/o module. here, the signals are routed 1:1 to the d-sub connector, whereby the system cable is used to adapt to the relevant i/o modules. 1.1 properties ? 16-channel ? compact, mechanically stable design ? can be mounted on en din rails ? ex-i version ? redundant diode-isolated supply ? fuse monitoring via led and relay contact (pdt) ? error message in the event of fuse failure ? protection against polarity reversal the device is an associated item of equipment and mu st not be installed in po tentially explosive areas. when installing and operating the device, the applic able safety directives (i ncluding national safety directives), accident prevention regulations, as well as general technical regulations, must be observed. observe the safety regulations and installation notes on page 4. make sure you always use t he latest documentation. it can be downloaded at www.download.phoenixcontact.com . a conversion table is available on the internet at www.download.phoenixcontac t.com/general/7000_en_00.pdf . this data sheet is valid for all products listed on the following page: ex universal module ca rrier (motherboard) for accommodating 3-wire measuring transducers, intrinsically safe, for a m aximum of 16 pi ex modules
pi-ex-mb/16/3/d-sub 103031_00_en phoenix contact 2 table of contents 1 description................................................................................................................... ............... 1 2 ordering data ................................................................................................................. ............ 2 3 technical data................................................................................................................ ............ 2 4 safety regulations and installation notes.................................................................................. 4 5 structure ..................................................................................................................... ................ 5 6 installation .................................................................................................................. ................ 5 7 pin assignment................................................................................................................ ........... 6 2ordering data 3 technical data ex universal module carrier description type order no. pcs./pck. ex universal module carrier for accommodating 3-wire measuring transducers, for a maximum of 16 pi ex modules, intrinsically safe pi-ex-mb/16/3/d-sub 2835587 1 jumpers description type order no. pcs./pck. wire jumper, 50-pos., can be separated, for jumpering identical inputs and outputs, 0.5 mm2, insulation: black db 50- 90 bk 2820916 1 blue db 50- 90 bu 2821180 1 gray db 50- 90 gy 2820929 1 for additional accessories, please refer to the "interface" catalog from phoenix contact. connection data connection to system level 37-pos. d-sub male connector (din 41652/iec 60807-2) maximum permissible current = 1 a (125 v ac/dc) rated surge voltage: 1.5 kv connection to field level stripping length thread tightening torque 16 pcb screw termination blocks (3-pos.) 8 mm m5 0.5 nm, minimum/0.6 nm, maximum conductor cross-section (system and field level) solid (minimum/maximum) stranded (minimum/maximum) awg (minimum/maximum) 0.2 mm 2 /4 mm 2 0.2 mm 2 /2.5 mm 2 24/12 general data power supply redundant, diode-isolated nominal voltage 20 v dc ? 35 v dc protection against polarity reversal yes operating voltage monitoring if one of the two supplies fails, the corresponding green led switches off and the relay contact opens/closes. safety monitoring in the event of fuse failure, the relay contact opens/closes. load capacity of the alarm contact switching power switching current switching voltage 1250 va, maximum 5 a, maximum 250 v, maximum housing insulation material polyamide pa non-reinforced, polycarbonate pc, pvc
pi-ex-mb/16/3/d-sub 103031_00_en phoenix contact 3 color green degree of protection ip20 width x length x height (height with ns 32, ns 35/7,5, ns 35/15 coupling connector) 247.7 mm x 127.5 mm x 82.6 mm (147.5 mm, 142.5 mm, 150 mm) inflammability class according to ul 94 v0/v2 air and creepage distances iec 60664, din vde 0110, en 50020 general data (continued) ambient conditions ambient temperature range -20c ... +60c permissible humidity (operation and storage/transport) 10% ... 95% (relative humidity, no condensation) vibration 2g (according to din en 60068-2-26) shock 15g (according to din en 60068-2-27) height (installation location) 2000 m above sea level, maximum height (storage location) 3500 m above sea level, maximum safety data maximum voltage * u m 250 v for pi ex special function modules with u 0 max 30 v * the maximum voltage that can be applied to non-intrinsically safe connection parts of associated equipment without affecting th e intrinsic safety . approvals ce yes atex x ii (1) gd [eex ia] iic, kema 99 atex 7296
pi-ex-mb/16/3/d-sub 103031_00_en phoenix contact 4 4 safety regulations and installation notes 4.1 general installation and operation 4.2 use in potentially explosive areas atex intrinsically safe circuits the device is an associated item of equipment and must not be installed in potentially explosive areas. installation, operation, and maintenance may only be carried out by qualified personnel. when installing and operating the device, the applicable safety directives (including national safety directives), accident prevention regulations, as well as general technical regulations, must be observed. the safety data and features provided according to the valid ec-type examination (or other approvals, if necessary) are listed in the technical data. install the device accord ing to the instructions in the operating instructions. the circuits inside the device must not be accessed. do not repair the device yourself, replace it with an equivalent device. repairs may only be carried out by the manufacturer. the device must not be subject to mechanical strain and/or thermal loads, which exceed the limits described in these operating instructions. the ip20 degree of protection of the device is intended for use in a clean and dry environment. ip54 protection must otherwise be provided. in order to provide protection against mechanical or electrical damage, install the device in corresponding housing with a suitable degree of protection according to iec 60529. where dust is present, install the device in suitable housing with at least ip5x protection. observe the specified conditions for use in potentially explosive areas. connection to the intrinsically safe circuit in areas with a danger of dust explosions (zone 20, 21 or 22) is only permitted if the equipment connected to this circuit is approved for this zone (e.g., category 1d, 2d or 3d). when carrying out measurements on the intrinsically safe side , observe the relevant regulations regarding the connection of intrinsically safe equipment. only use intrinsically safe circuits for these approved devices. if the device has been used in non- intrinsically safe circ uits, it must not be used again in intrinsically safe circuits. the module must be clearly labeled as non- intrinsically safe.
pi-ex-mb/16/3/d-sub 103031_00_en phoenix contact 5 5structure figure 1 structure 1 16 terminal block bases, channel 1 - 16 for field signals (ex area); each channel has three terminal points ("1", "2", "3") 2 terminal block base for redundant power supply (pwr1: "+", "-"; pwr2: "+", "-") 3 fuse 4 two leds for pwr1 and pwr2 5 jumper for power supply 6 pdt relay (plug-in) 7 alarm contact for voltage monitoring 8 37-pos. d-sub connector (to process control system/to plc) 9 labeling field 0 holder for keying pin dimensions figure 2 dimensions (in mm) 6installation 6.1 wiring of the univ ersal module carrier the pi-ex-mb/16/3/d-sub univer sal module carrier can be snapped onto various popular din rails. on the field side (intrinsically safe side), the intrinsically safe signal cables are connected to the terminal points marked "1", "2", and "3" of the relevant channel. these 3-pos. terminal block bases are numbered 1 to 16 to correspond to the channel number. on the system side, the signal cables are conne cted to the 37-pos. d-sub connector installed on the module carrier according to the connection scheme (see "circuit diagram" on page 6). the power is supplied centra lly. it can be redundant at the pwr1 and pwr2 terminal points of the terminal block base and is diode-isolated. the green pwr1 and pwr2 leds indicate that the supply voltage is present. 1 7 3 4 5 8 0 2 7 6 9 pwr1 pwr2 pwr1/2 a b position a: redundant position b: non-redundant electrostatic discharge the device contains components that can be damaged or destroyed by electrostatic discharge. when handling the device, observe the necessary safety precautions against electrostatic discharge (esd), according to en 61340-5-1 and en 61340-5-2, as well as iec 61340-5-1 and iec 61340-5-2.
pi-ex-mb/16/3/d-sub 103031_00_en phoenix contact 6 if the power supply is to be non-redundant, the jumper must be set to pwr 1/2 "position b". otherwise, the relay would drop out and thus indicate the failure of one of the two power supplies. the operating voltage and the fuse are monitored by a relay with pdt contact. the relay is us ually picked up. if it is to be operated as an n/c contact, the signal lines must be connected to terminal points "11" and "12" of the alarm contact. if it is to be operat ed as an n/o contact, the signal lines must be connected to terminal points "11" and "14" of the alarm contact. 6.2 automatic keying of the electronic connectors the module carrier is not keyed by default upon delivery. the user-friendly keying is located in the electronic connector and consists of four plastic parts, which are joined together. when the module is first removed, the lower part of the keying pins remain in the module carrier. in this way, it is automatic ally keyed to the relevant electronic connector. if a module is accidentally inserted in the wrong place, any plastic parts remaining in the module carrier can be removed using a screwdriver. 7 pin assignment figure 3 circuit diagram ++ CC + C + C + C + C + C + C + C + C channel 1 1 2 3 1 2 3 1 2 3 1 2 3 + C + C + C + C + C + C + C + C 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 4 13 14 15 16 17 18 19 32 33 34 35 36 37 channel 2 channel 3 channel 4 channel 13 channel 14 channel 15 channel 16 gnd gnd 12 14 11 20 21 22 23 ex non- ex
pi-ex-mb/16/3/d-sub 103031_00_en 7 phoenix contact gmbh & co. kg ? 32823 blomberg ? germany phone: +49 - 52 35 - 30 0 ? fax: +49 - 52 35 - 34 12 00 www.phoenixcontact.com 7.1 pin assignment for pi-ex-rpss-i/i (order no. 2835011) figure 4 2-wire measuring transducer, analog signals supplied from the field side, and 3-wire measuring transducer 7.2 pin assignment for pi-ex-rtd-i (order no. 2835066) figure 5 3-wire resist ance thermometer 7.3 pin assignment for pi-ex-do/rel-s (order no. 2865120)) figure 6 full pdt function 7.4 2-pos. pin assignment 2-pos. pin assignment for: ? pi-ex-nam... ? pi-ex-sd... ? pi-ex-ids-i/i ? pi-ex-ais-i/i 2-wire sensors are connected to terminal points 1 (+) and 2 (-) of blue combicon terminals. ? phoenix contact 05/2007 pi-ex-rpss-i/i 1 2 3 u b+ u b- pwr 1) 1 2 1) 1 2 2) 3 signal + signal ? 1) 4 ? 20 ma 2) 0/4 ? 20 ma ex area ex area signal + signal ? control signal + control signal ? ex area
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