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Preset Counter/Timer
H8GN
1/32-mm DIN with Communications
* Only 48 x 24 x 83 mm (W x H x D) * Switch between 4-digit preset counter and 4-digit timer operation. * While using the preset counter, it is possible to switch the display to monitor the totalizing count value (8 digits). * Built-in prescaling for counter operation. * ON/OFF-duty adjustable flicker mode that can be used to perform cyclic control is available for timer operation. * Four preset values that can be changed by the front panel key (SV-bank). * Finger protection terminal block to meet VDE0106/P100. * Panel surface compatible with NEMA4X/IP66. * Conforms to UL, CSA, and IEC safety standards as well as CE Marking. * Six-language instruction manual provided.
Counters 2. Communications Output Type None: Communications not supported FLK: RS-485 Communications No communications 24 VDC Contact output (SPDT) H8GN-AD RS-485 H8GN-AD-FLK
World's Smallest Compact Preset Counter/ Timer
Model Number Structure
I Model Number Legend
H8GN-AD-@
1 2
1. Supply Voltage D: 24 VDC
Ordering Information
I List of Models
Supply voltage Output
Preset Counter/Timer
H8GN
C-61
Specifications
I Ratings
Rated supply voltage Operating voltage range Power consumption Mounting method External connections Terminal screw tightening torque Attachment Display Digits 24 VDC 85% to 110% of rated supply voltage 1.5 W max. (for max. DC load) (Inrush current: 15 A max.) Flush mounting Screw terminals (M3 screws) 0.5 Nm max. Waterproof packing, flush mounting bracket 7-segment, negative transmissive LCD; time display (h, min, s); CMW, OUT, RST, TOTAL Present value (red, 7-mm-high characters); Set value (green, 3.4-mm-high characters) PV: 4 digits SV: 4 digits When total count value is displayed: 8 digits (Zeros suppressed) EEPROM (non-volatile memory) (number of writes: 100,000 times) -999 to 9,999 Increment, decrement, individual, quadrature inputs N, F, C, or K 0.000 to 9.999 s, 0.00 to 99.99 s, 0.0 to 999.9 s, 0 to 9999 s, 0 min 00 s to 99 min 59 s, 0.0 to 999.9 min, 0 h 00 min to 99 h 59 min, 0.0 h to 999.9 h, 0 h to 9999 h Elapsed time (Up), remaining time (Down) A, B, D, E, F, or Z For Counter: CP1, CP2, and reset For Timer: Start, gate, and reset No-voltage input (contact short-circuit and open input) Short-circuit (ON) impedance: 1 K max. (Approx. 2 mA runoff current at 0 ) Short-circuit (ON) residual voltage:2 VDC max. Open (OFF) impedance: 100 k min. Applied voltage: 30 VDC max. Minimum input signal width: 1 or 20 ms (selectable) Minimum power-opening time: 0.5 s SPDT contact output: 3 A at 250 VAC/30 VDC, resistive load (cos = 1) 10 mA at 5 VDC (failure level: P reference value) , External, manual, and power supply resets (for timer in A, B, D, E, or Z modes) 260 ms max. (Inputs cannot be received during sensor wait time if control outputs are turned OFF.) Maximum counting speed 30 Hz or 5 kHz (See note.) Counting range Input modes Output modes Timer Time ranges Timer modes Output modes Inputs Input signals Input method
Memory backup Counter
Start, reset, gate Power reset Control output Minimum applied load Reset system Sensor waiting time
Note: The figures given for maximum counting speed are for incrementing or decrementing operation with a prescale value of x1. If prescaling is used and 5 kHz is set, the maximum counting speed will be reduced to about half. The maximum counting speed will also be reduced to about half when the up/down mode is selected.
C-62
Preset Counter/Timer H8GN
I Characteristics
Timer function Accuracy of operating Signal start: 0.03% 30 ms max. time and setting error Power-ON start: 0.03% 50 ms max. (including temperature and voltage effects) 100 M min. (at 500 VDC) 1,500 VAC, 50/60 Hz for 1 min between output terminals and non-current-carrying metal parts 510 VAC, 50/60 Hz for 1 min between current-carrying terminals (except output terminals) and non-current-carrying metal parts 1,500 VAC, 50/60 Hz for 1 min between output terminals and current-carrying terminals (except output terminals) 500 VAC, 50/60 Hz for 1 min between communications terminals and current-carrying terminals (except output terminals) 1,000 VAC, 50/60 Hz for 1 min between contacts not located next to each other Square-wave noise by noise simulator; 480 V (between power terminals), 600 V (between input terminals) 8 kV (malfunction), 15 kV (destruction) Malfunction Destruction Shock resistance Life expectancy Ambient temperature Ambient humidity EMC Malfunction Destruction Mechanical Electrical Operating Storage 10 to 55 Hz with 0.35-mm single amplitude each in three directions for 10 min 10 to 55 Hz with 0.75-mm single amplitude each in three directions for 2 h 100 m/s2, 3 times each in six directions 300 m/s2, 3 times each in six directions 10 million operations 100,000 operations min. (3 A at 250 VAC, resistive load) (See note.) -10C to 55C (with no icing or condensation) -25C to 65C (with no icing or condensation) 25% to 85% EN61326 EN55011 Group 1 Class A EN61326 EN61000-4-2: 4 kV contact discharge (level 2) 8 kV air discharge (level 3) Immunity RF-interference: EN61000-4-3: 10 V/m (Amplitude-modulated, 80 MHz to 1 GHz) (level 3); 10 V/m (Pulse-modulated, 900 MHz 5 MHz) (level 3) Immunity Conducted Disturbance: EN61000-4-6: 3 V (0.15 to 80 MHz) (level 2) Immunity Burst: EN61000-4-4: 2 kV power-line (level 3); 1 kV I/O signal-line (level 4); 1 kV communications-line (level 3) Immunity Surge: EN61000-4-5: 1 kV between lines (power and output lines) (level 3); 2 kV between grounds (power and output lines) (level 3) UL508, CSA C22.2 No.14 Conforms to EN61010-1/IEC61010-1 (Pollution degree 2/overvoltage category II) Conforms to VDE0106/P 100 (Finger Protection) Rear section: Gray smoke; Front section: N1.5 (black) Panel surface: IP66 and NEMA Type 4X (indoors) Rear case: IP20 Terminal block: IP20 Approx. 80 g (EMI): Emission Enclosure: (EMS): Immunity ESD:
Insulation resistance Dielectric strength
Noise immunity Static immunity Vibration resistance
Approved standards
Case color Degree of protection
Weight Note: Refer to the Life-test Curve.
Preset Counter/Timer
H8GN
C-63
Counters
I Communications Specifications
Transmission path connections Communications method Synchronization method Baud rate (See note.) Transmission code Data bit length (See note.) Stop bit length (See note.) Error detection (See note.) Flow control Interface Retry function Communications buffer Reading and writing from H8GN Multidrop RS-485 (two-wire, half duplex) Start-stop synchronization 1,200/2,400/4,800/9,600 bit/s ASCII 7 or 8 bits 1 or 2 bits Vertical parity (none, even, or odd) (See note.) Block check character (BCC) Not supported. RS-485 Not supported. 40 bytes Reading present value and totalizing count value; reading/writing preset and set values; switching between SV-banks; switching between communications write-enabled/write-prohibited; reading/writing other initial and advanced function setting parameters
Note: The baud rate, data bit length, stop bit length, and vertical parity can be individually set using the communications setting level.
I Life-test Curve (Reference Values)
Resistive Load
Switching operations (x103)
1,000 700 500
Reference: A maximum current of 0.15 A can be switched at 125 VDC (cos = 1) and a maximum current of 0.1 A can be switched if L/R is 7 ms. In both cases, a life of 100,000 operations can be expected. The minimum applicable load is 10 mA at 5 VDC (failure level: P).
300 30 VDC (cos = 1)
100 70 50 0
250 VAC (cos = 1)
1
2
3
4
Load current (A)
Connections
I Block Diagram
Communications circuit
(Functional insulation) (Basic insulation)
Output circuit
(Basic insulation)
Display circuit Input circuit Internal control circuit Key switch circuit Power supply circuit
C-64
Preset Counter/Timer H8GN
I I/O Functions
Inputs Counter inputs CP1/CP2 * Receive count signals. * Receive increment, decrement, individual, and quadrature inputs. * In increment mode and decrement mode, CP1 is used for the count input and CP2 is used for count prohibit input. * Resets the present value. (Totalizing count value is not reset.) (In increment mode or increment/decrement mode, the present value returns to 0; in Decrement Mode the present value returns to the set value.) * The count input is not received during resetting. * The RST indicator is lit during resetting. * Starts timing. * Resets the timer. (In elapsed time mode the time returns to 0; in remaining time mode, the time returns to the set value.) * During resetting, timing stops and the control output turns OFF. * The RST indicator is lit during resetting. * Prohibits timing operation. * Output made according to the output mode setting when the set value is reached.
Reset
Timer inputs
Start Reset
Gate Outputs OUT
I Terminal Arrangement
Communications* *Only models with communications
RS-485
Not connected
Output
CP1/ Start
CP2/ Gate
Reset
24-VDC power supply Contact inputs
Open-collector inputs
Note: (2) and (6) are connected internally. Do not use unused terminals as relay terminals.
I Wiring
Use the following type of crimp terminals for M3 screw.
5.8 mm max.
5.8 mm max.
Preset Counter/Timer
H8GN
C-65
Counters
Nomenclature
No. 1 Display Displays the present value or parameter type. When totalizing count is displayed, the leftmost 4 digits of the 8-digit totalizing count will be displayed. (Zeros suppressed) Operation display 2 Indicator CMW RST OUT Meaning Lit when communications writing is enabled. Lit during reset using reset input or Reset Key. Lit when control output is ON.
TOTAL Lit when totalizing count value is displayed. Operation display 1 Displays the time unit when the timer function has been selected. Example 5 h 30 min 123.4 s Flashes while timer is on 0.0 min, 0 h 00 min, 0.0 h, or 0 h.
No. 2 Display Displays set value or set value of the parameter. Displays the rightmost 4 digits of the count value (8 digits) when the H8GN is used as a totalizing counter. (Zeros suppressed)
Level Key Press this key to select the setup level. The setup level is selected in order "operation level" "adjustment level", "initial setting level" "communications setting level".
Mode Key Press this key to select parameters within each level.
Down Key Each press of this key decreases values displayed on the No. 2 display. Hold down this key continuously to decrease values quickly. Also returns setting items.
Up/Reset Key Each press of this key increases values displayed on the No. 2 display. Hold down this key continuously to increase values quickly. Also advances setting items. Reset Function To reset the present value, press this key while the present value is displayed. If this key is pressed while the totalizing count value is displayed, the totalizing count value and the present value will be reset.
C-66
Preset Counter/Timer H8GN
Dimensions
Note: All units are in millimeters unless otherwise indicated.
H8GN
M3 terminal screw
Panel cutout Separate mounting Gang mounting
(48 x +1.0 of units No. - 2.5) 0
40 min.
The product cannot be made waterproof when gang-mounted.
* Insert the H8GN in the square cutout,
No. 1 display digit size
7 mm
No. 2 display digit size
3.4 mm
insert the adapter from the back, and push the H8GN into the cutout as far as possible. Use screws to secure the H8GN. To make the H8GN waterproof, insert waterproof packing and tighten the screws. in a cutout, be sure that the ambient temperature does not exceed the specifications.
* When mounting two or more products
1.6 mm 3.3 mm
Preset Counter/Timer
H8GN
C-67
Counters
Precautions
!Caution
Do not use the product in locations subject to flammable or explosive gases. Doing so may result in explosion. 7. Leaving the H8GN with outputs ON at a high temperature for a long time may hasten the degradation of internal parts (such as electrolytic capacitors). Therefore, use the product in combination with relays and avoid leaving the product as long as more than 1 month with the output turned ON.
!Caution
The service life of the output relays depends on the switching capacity and switching conditions. Consider the actual application conditions and use the product within the rated load and electrical service life. Using the product beyond its service life may result in contact deposition or burning.
Power Supplies
When turning the power ON and OFF, input signal reception is possible, unstable, or impossible as shown in the diagram below.
Power supply ON OFF
!Caution
Do not disassemble, repair, or modify the product. Doing so may result in electric shock, fire, or malfunction.
210 ms 0 to 50 ms
5 ms
0 to 500 ms
Input
Impossible Unstable
Possible
Unstable Impossible
!Caution
Do not allow metal objects or conductive wires to enter the product. Doing so may result in electric shock, fire, or malfunction.
Turn the power ON and OFF using a relay with a rated capacity of 15 A minimum to prevent contact deterioration due to inrush current caused by turning the power ON and OFF. When power is turned ON, a starting current flows momentarily. Therefore, pay attention to the overcurrent detection level of the power supply used.
Other Precautions
* Store at the specified temperature. If the H8GN has been stored at a temperature of less than -10C, allow the H8GN to stand at room temperature for at least 3 hours before use. * Use the product within the ratings specified for vibration, shock, submerging in water, and exposure to oil. * Do not use the product in locations subject to dust, corrosive gases, or direct sunlight. * Use the product within the ratings specified for temperature and humidity. * The product is designed for 24 VDC. Applying voltages other than the rated one such as 100 to 240 VAC may damage the internal elements. * Separate the input signal devices, input signal cables, and the product from the source of noise or high-tension cables producing noise. * Separate the product from the source of static electricity when using the product in an environment where a large amount of static electricity is produced (e.g., forming compounds, powders, or fluid materials being transported by pipe). * Do not expose the product to organic solvent such as thinner or benzine, strong alkali materials, or strong acid materials. Doing so may damage the product surface.
Timer Control with Power Start
To allow for the startup time of peripheral devices (sensors, etc.), the H8GN starts timing operation between 210 to 260 ms after power is turned ON (see diagram above). For this reason, in operations where timing starts from power ON, the time display will actually start from 258 ms. If the set value is 258 ms or less, the time until output turns ON will be a fixed value between 210 and 260. (Normal operation is possible for set value of 259 ms or more.) In applications where a set value of 258 ms or less is required, use start timing with signal input. When the H8GN is used with power start in F mode (i.e., accumulative operation with output on hold), there will be a timer error (approximately 100 ms each time the H8GN is turned ON) due to the characteristics of the internal circuitry. Use the H8GN with signal start if timer accuracy is required.
Changing the Set Value
In Counter Operation
When changing the set value during operation, the output will turn ON if the set value equals the present value.
Application Precautions
1. Do not use the product in locations where condensation may occur due to high humidity or where temperature changes are severe. 2. Be sure to wire terminals correctly, with the correct polarity. 3. Maintain the power supply voltage within the allowable ranges. 4. Connect the power supply through a relay or switch so that the voltage reaches a fixed value immediately. If the voltage increases gradually the power supply may be reset or outputs may turn ON. 5. When the power is turned ON, an inrush current (approx. 15 A) will flow momentarily. Depending on power supply capacities, the product may not start due to this leakage current. The power supply must be of a sufficiently large capacity. 6. For the main power supply or the power supply for input devices, use a power supply transformer whose primary side is insulated from the secondary side and whose secondary side is not grounded.
In Timer Operation
When changing the set value during operation, if the set value is changed in so that the conditions below are satisfied, the Timer operates in the same way as when the present value reaches the set value because a constant read-in system is in use. Depending on the output mode, this may result in output turning ON. Timer mode UP: Present value set value Timer mode DOWN:Elapsed time set value (Present value = 0) Note: When in DOWN mode, the amount set value is changed is added to or subtracted from the present value.
C-68
Preset Counter/Timer H8GN
Operation with a Set value of 0
In Counter Operation
The output will turn ON if the set value (0) equals the present value. The output will be OFF while the Reset Key is pressed or the reset input is ON.
Output
The SPDT (single-pole, double-throw) consists of an SPST-NO contact and an SPST-NC contact. Do not form a circuit with 3-point short-circuit (power short-circuiting with arc).
In Timer Operation
a) When the output mode is set to A, B (one-shot output), D, or F, output will turn ON when the start signal is input. b) When the output mode is set to B (hold output), E, or Z, output will remain OFF even when the start signal is input.
Power supply
Short-circuit current
Response Delay Time When Resetting
The following table shows the delay from when the reset signal is input until the output is turned OFF. Minimum reset signal width 1 ms 20 ms Output delay time 3.7 to 6.0 ms 19 to 21 ms
Reference
For details about communications functions, refer to H8GN Preset Counter/Timer User's Manual (Catalog No. M066).
Output Delay Time
The following table shows the delay from when the timer value passes the set value until the output is produced. Actual Measurements in N or K Mode Control output Contact output Max. counting speed 30 Hz 5 kHz Output delay time* 17.3 to 18.9 ms 3.5 to 5.2 ms
*The variation in delays is due to different modes and conditions.
Mounting
Tighten the two mounting screws on the Adaptor. Tighten them alternately, a little at a time, so as to keep them at an equal tightness.
Adaptor Waterproof packing Panel
The H8GN's panel surface is water-resistive (conforming to NEMA 4X (indoors) and IP66). In order to prevent the internal circuit from water penetration through the space between the Counter and operating panel, attach a rubber packing (provided with the H8GN) between the Counter and operating panel and secure the rubber packing with the Y92F-34 Flush-mounting Adaptor.
Preset Counter/Timer
H8GN
C-69
Counters
Operating Procedures
I Initial Setup
The and Keys are used to switch between setup menus, and the amount of time that you hold the keys down for determines which setup menu you move to. This section describes two typical examples. Note: In the following sections, "PV" is used to indicate a present value and "SV" to indicate a set value.
1. Using the H8GN as a Counter
Typical Application Examples
1. Changing Set Values
* Setup Procedure
Power ON Power ON
Set value and selections in each display can be changed by pressing the and Keys.
Operation Level
Present value (PV)/ set value (SV)
2. Displays
Press the Level Key for at least 3 s. Operation stops. No. 1 display No. 2 display
Initial Setting Level Check Counter/ Timer selection
Check Counter/Timer selection Use the and Keys to set the input mode to individual mode. Use the and Keys to set the output mode to F. Check the counting speed. Function:
Typical Application
Input mode Output mode Counting speed Input signal width Decimal point Prescale Individual input F (overcount) 30 Hz 20 ms None None
Set input mode
Input mode:
Set output mode
Output mode:
Check counting speed Check input signal width
Counting speed:
Check the input signal width.
Input signal width:
Press the Level Key for at least 1 s. Operation starts.
Operation Level Set SV
Press the and Keys to change the set value to 100. Press the Key. PV/SV:
Reset PV
PV:
Start operation
Operate
* Confirming Set Values
Set values are effective two seconds after key operation is stopped or when the or Key is pressed.
C-70
Preset Counter/Timer H8GN
2. Using the H8GN as a Timer
Typical Application Examples
1. Changing Set Values
* Setup Procedure
Power ON Power ON
Set value and selections in each display can be changed by pressing the and Keys.
Operation Level
2. Display
Press the Level Key for at least 3 s. Operation stops. No. 1 Display No. 2 Display
Initial Setting Level Set Counter/Timer selection
Use the and Keys to select the timer function. Use the and Keys to set the time range to 999.9 s Use the and Keys to set the timer mode to remaining time.
Function:
Typical Application Examples
Time range Timer mode Output mode Output time Input signal width 0.0 to 999.9 s DOWN (remaining time) A mode Hold 20 ms
Set time range
Time range:
Check timer mode
Timer mode:
Check output mode Check the output mode.
Output mode:
Check output time
Check the output time.
Output time:
Check input signal width
Check the input signal width.
Input signal width:
Press the Level Key for at least 1 s. Operation starts.
Operation Level
Use the and Keys to set the SV to 10.0. PV/SV:
Set SV
Reset PV
Press the
Key.
PV:
Start operation
Operate
* Confirming Set Values
Set values are effective two seconds after key operation is stopped or when the or Key is pressed.
Preset Counter/Timer
H8GN
C-71
Counters
Present value (PV)/ set value (SV)
I Setting Specifications after Turning ON Power
Outline of Operation Procedure
Key Operation
In the following descriptions, all the parameters are introduced in the display sequence. Some parameters may not be displayed depending on the protection settings and operating conditions.
Power ON
+ Keys 3 s. min. (default value)
Operation level
Key less than 1 s. Key 1 s. min. Key 3 s min.
Adjustment level
+
Protect level
Keys 1 s. min.
Operation stops
Initial setting level
Key less than 1 s.
Communications setting level
Key 1 s. min.
Operation in progress
Password input set value "-169"
Operation stopped Not displayed depending on model and settings. Not displayed depending on model and settings. Level change
Advanced function setting level
Note: Of these levels, the initial setting level, communications setting level, and advanced function setting level can be used only when operation has stopped. Control output is stopped when these three levels are selected. When switched back to the operation level from one of these levels, operation will start.
Description of Each Level
Operation Level
* This level is displayed when you turn the power ON. You can move to the protect level, initial setting level, and adjustment level from this level. * Normally, select this level during operation. * During operation, the present value, set value, totalizing count value, and setting number of SV-bank can be monitored using the Key. * You can move to the advanced function setting level or communications setting level from this initial setting level. To return to the operation level, press the Key for at least one second. To move to key once for less the communications setting level, press the than one second.
Protect Level
and Keys * To select this level, simultaneously press the for at least three seconds (default value). This level is to prevent unwanted or accidental modification of parameters. Protected levels will not be displayed, and so the parameters in that level cannot be modified.
Adjustment Level
Key once for less than one sec* To select this level, press the ond. * This level is for entering set value (SV 0 to 3) for operation. This level contains parameters for communications writing enable/disable, set value of SV-bank, and cycle time (timer Z mode). * You can move to the top parameter of the operation level, protect level, or initial setting level from here.
Communications Setting Level
Key once for less than one sec* To select this level, press the ond in the initial setting level. When the communications function is used, set the communications conditions in this level. Communicating with a personal computer (host computer) allows set values to be read and written.
Initial Setting Level
Key for at least three seconds in * To select this level, press the the operation level or adjustment level. * This level is for selecting the function, input mode, time range, timer mode, output mode, output time, counting speed, input signal width, decimal point position, prescale value, and rising/falling edge for input signal.
Advanced Function Setting Level
* To select this level, you must change the initial settings/communications protection setting in the protect level to "0" and then enter the password ("-169") in the initial setting level. * This level is for initializing settings, enabling SV-bank and totalizing counter use, setting display auto-return time, and move- to-protectlevel time. * You can move to the initial setting level from this level.
C-72
Preset Counter/Timer H8GN
Parameters
Operation Level
(1) PV/SV
Adjustment Level
(1) Communications writing control
(2) PV (3) Totalizing count value (4) SV-bank
(2) SV 0
Counters
Close Open Valve ON duty Set ON duty rate as a percentage Fully closed to fully open 0% to 100%
(2) SV 1
(2) SV 2 (2) SV 3
1. PV/SV
This display appears when the power is turned ON. No. 1 display shows the present value and No. 2 display shows the set value. The values displayed will be determined by the settings for Counter/Timer selection, time range, timer mode, and decimal point position made in the initial setting level. Use the and Keys to change the settings.
(3) Cycle time
1. Communications Writing Control (cmwt)
Communications writing control is displayed only for models with communications. Allows or prohibits communications to write data from a personal computer (host computer). Communications can be used to read data regardless of this setting.
2. PV
No. 1 display will show the present value and No. 2 display will remain blank. The values displayed will be determined by the settings for Counter/Timer selection, time range, timer mode, and decimal point position made in the initial setting level. Press the Key to reset the present value.
2. SV 0 to 3 (sp-0, sp-1, sp-2, sp-3)
SV 0 to 3 is displayed only when "SV-bank used" in the advanced function setting level has been set to ON. Used to set the set value when the SV-bank function is used. The operator can use the keys on the front to switch between the set values (SV 0 to 3). When the set value is changed in operation mode, the set value (SV 0 to 3) set in the adjustment level for SVbank will also change.
3. Totalizing Count Value
The totalizing count value is displayed only if "totalizing counter used" in the advanced function setting level has been set to ON. The leftmost four digits of the 8-digit totalizing count value will be shown in No. 1 display and the rightmost four digits will be shown in No. 2 display.
TOTAL
3. Cycle Time (cyti)
Cycle time is displayed only when the "output mode for timer function" in the initial setting level has been set to "Z." Sets the cycle time used for ON/OFF-duty adjustable flicker mode (Z). Cyclic control can be performed easily in ON/OFF-duty adjustable flicker mode by first setting the cycle time in the adjustment level and by using the set value in operation level to change the ON-duty ratio.
=Totalizing count value: 12,345,687 Press the Key to simultaneously reset the totalizing count value and the present value.
Key during PV display Key during totalizing count value display
PV 0123012012 Totalizing count value 0123345012 Refer to Input/Output Mode Settings on page page 81 for information on totalizing counter operation.
Controlling the flowrate by opening and closing the electromagnetic valve by pulse control.
Cycle time ON duty (%) Control output
4. SV-bank (m-sp)
SV-bank is displayed only when "SV-bank used" in the advanced function setting level has been set to ON. Select the SV-bank (SV 0 to 3). To use the SV-bank function, the four set values (SV 0 to 3) can be set beforehand in the adjustment level. The keys on the front of the Unit can then be used during operation to switch between the set values. For models with built-in communications, communications can be used to switch between the set values.
Switch between SV
Cycle time passed
ON duty can be changed like an analog input by using the Up and Down Keys.
SV
Refer to Input/Output Mode Settings on page 82 for information on ON/OFF-duty adjustable flicker mode operation.
Preset Counter/Timer
H8GN
C-73
Initial Setting Level
(1) Counter/Timer selection (2) Input mode (3) Time range
6. Output Mode for Timer Function (outm)
The output mode is displayed only when "Counter/Timer selection" in the initial setting level has been set to counter. When the H8GN is to be used as a timer, set the output mode. Refer to Input/Output Mode Settings on page 81 for information on output mode operations.
7. Output Time (otim)
The output time is displayed only when "output mode for counter function" in the initial setting level has been set to C or K or when "output mode for timer function" in the initial setting level has been set to A or B. When using one-shot output in the H8GN, set the output time for the one-shot output (0.01 to 99.99 s). One-shot output can be used only when the C or K output mode is selected for counter function or A or B output mode is selected for timer function. If the output time is set to "0" when selecting timer function, the output will be held. The output time cannot be set to "0" for counter function.
(4) Timer mode
(5) Output mode for counter function (6) Output mode for timer function
(7) Output time (8) Counting speed (9) Input signal width
8. Counting Speed (cnts)
The counting speed is displayed only when "Counter/Timer selection" in the initial setting level has been set to counter. When the H8GN is used as a counter, the operator can switch between maximum counting speeds (30 Hz/5 kHz) for CP1 and CP2. Set to 30 Hz when using a contact for the input signal. When the counting speed is set to 30 Hz, input signal chattering is removed.
(10) Decimal point position
9. Input Signal Width (iflt)
(11) Prescale value (12) Input signal edge (13) Move to advanced function setting level
Switches between minimum input signal widths (20 ms/1 ms) for start, reset and gate inputs. All input signal widths are set together via external input. When the counter function is selected, only the reset input is set, but when the timer function is selected the start, gate, and reset inputs are all set together. Set to 20 ms when using a contact for the input signal. When the input signal width is set to 20 ms, input signal chattering is removed.
1. Counter/Timer Selection (func)
Select to use the H8GN as either a counter or a timer.
10.Decimal Point Position (dp)
The decimal point position is displayed only when "Counter/ Timer selection" in the initial setting level has been set to counter. This determines the decimal point position for PV, SV, SV-bank (SV 0 to 3), and totalizing count values. Press the move the decimal point to the left and press the it to the right. Key to Key to move
2. Input Mode (cntm)
The input mode is displayed only when "Counter/Timer selection" in the initial setting level has been set to counter. When the H8GN is to be used as a counter, select increment, decrement, individual, or quadrature for the input mode. If increment or decrement is selected, the input signal edge for CP1 (count input) can be switched using the input signal edge setting. Refer to Input/Output Modes and Count Values on page 80 for information on input mode operations.
11.Prescale Value (pscl)
The prescale value is displayed only when "Counter/Timer selection" in the initial setting level has been set to counter. Converts the counter input pulse to any value within the setting range (0.001 to 9.999). Example: To have a display of @@.@@ m for a system that outputs 25 pulses when the object has been moved forward 0.5 m, perform the following steps. 1. Set the decimal point position to before the second-last digit. 2. Set the prescale value to 0.02 (0.5 / 25).
3. Time Range (timr)
The time range is displayed only when "Counter/Timer selection" in the initial setting level has been set to timer. When the H8GN is to be used as a timer, set the time range to be timed.
4. Timer Mode (timm)
The timer mode is displayed only when "Counter/Timer selection" in the initial setting level has been set to timer. When the H8GN is to be used as a timer, set the elapsed or remaining time mode.
5. Output Mode for Counter Function (outm)
The output mode is displayed only when "Counter/Timer selection" in the initial setting level has been set to counter. When the H8GN is to be used as a counter, set the output mode. Refer to Input/Output Mode Settings on page 81 for information on output mode operations.
Encoder
25 pulses
C-74
Preset Counter/Timer H8GN
12.Input Signal Edge (edge)
The input signal edge will be displayed only when the "input mode" at the initial setting level has been set to increment or decrement. Switches the CP1 input edge when the H8GN is used as an incrementing or decrementing counter. In the counter increment or decrement modes, CP2 will function as the gate input and CP1 counting will be prohibited while CP2 is ON. Refer to Input/Output Modes and Count Values on page 80 for information on input mode operations.
13.Move to Advanced Function Setting Level (amoU)
This will be displayed only when the "initial setting/communications protection" in protect level is set to 0. This setting enables the advanced function settings to utilize the counter/timer functions to the maximum. To move to the advanced function setting level, enter the password (-169) from the initial setting level.
Preset Counter/Timer
H8GN
C-75
Counters
Advanced Function Setting Level
(1) Parameter initialization
Protect Level
(1) Operation/Adjustment Protection Restricts menu display and writing in the operation and adjustment levels. (2) Initial Setting/Communications Protection Restricts menu display and moving to the initial setting level/communications setting level/advanced function setting level. (3) Setting Change Protection Restricts setting changes using front panel keys. (4) Reset Key Protection Restricts use of the Reset Key.
(2) SV-bank used
(3) Totalizing counter used
(4) Display auto-return time
(5) Move-to-protect-level time
1. Parameter Initialization (init)
Used to return all settings to default values. Turn ON parameter initialization and shift to another display to return all settings to default values.
1. Operation/Adjustment Protection (oapt)
The following table shows the protection given for each setting level. Setting level 0 1 2 3 Operation level PV/SV Not protected Not protected Not protected Display only Other Not protected Not protected No display, no level shift No display, no level shift Adjustment level Not protected No display, no level shift No display, no level shift No display, no level shift
2. SV-bank Used (nspu)
Set "SV-bank used" to ON and operate the keys from the panel to switch between SV 0 to 3. To use the SV-bank function, the set value (SV 0 to 3) must be set beforehand in the adjustment level. These set value are then used during operation by operating the keys on the front of the Unit.
3. Totalizing Counter Used (tcnu)
Set totalizing counter use to ON to display and enable use of the totalizing counter in the operation level. The totalizing counter displays the leftmost four digits of the 8digit totalizing count on No. 1 display and the rightmost four digits on No. 2 display to enable 8-digit counting.
Not protected: Display and setting changes are possible. Display only: Display is possible. No display, no level shift: Display and level shifts are not possible. The initial setting level is 0 and no protection is given at this setting level.
4. Display Auto-return Time (ret)
If this function is used, the display in the operation and adjustment levels will automatically return to the PV/SV display if no key operations have been made for the set period. (setting range: 1 to 99 s.) The time before auto-return of the display can be set here. If this setting is set to OFF, the auto-return function will not operate.
2. Initial Setting/Communications Protection (icpt)
Moving to initial setting, communications setting, or advanced function setting levels is restricted. Setting Initial setting level OK OK NO Communications setting level OK OK NO Advanced function setting level OK NO NO
0 1 2
5. Move-to-protect-level Time (prlt)
If the and Keys are pressed for more than 3 seconds in the operation level, the display will move to the protect level. Use this setting to change the time that the key must be pressed to any time within the setting range (3 to 30 s).
OK: Move to other levels possible NO: Move to other levels not possible The default setting is 1.
3. Setting Change Protection (wtpt)
Restricts setting changes using front panel keys. Setting OFF ON Meaning Settings can be changed by key operation. Settings cannot be changed by key operation. (Only protect level settings can be changed.)
The default setting is OFF.
4. Reset Key Protect (rpt)
Prohibits the use of the Reset Key. Setting OFF ON Meaning PV and totalizing count values can be reset by the Reset Key. PV and totalizing count values cannot be reset by the Reset Key.
The default setting is OFF.
C-76
Preset Counter/Timer H8GN
Communications Setting Level
The communications specifications are set in the communications setting level. Make the individual communications settings from the front panel. The communications parameters and their settings are listed in the following table. Parameter Communications unit number Baud rate Display u-no bps Settings 0 to 99 Set value
3. Communications Data Length (len)
The communications data length can be changed to either 7 or 8 bits.
4. Stop Bits (sbit)
The stop bits can be set to either 1 or 2.
5. Parity (prty)
The parity can be set to none, even, or odd. Counters
0 / 1 to 99
1.2, 2.4, 4.8, or 9.6 1.2 / 2.4 / 4.8 / 9.6 (kbps) 7/8 (bits) 1/2 None, even, or odd
Communications data length Stop bits Parity
len sbit prty
7/8 1/2 none / euen / odd
Note: 1. The settings shown in reverse video are the default settings. 2. Settings made in the communications setting level are enabled when the power is turned ON again. Before performing communications, perform the following procedure with the front panel keys to set the communications unit number, baud rate, and other settings. Refer to the communications manual for operation methods for other communications settings. Key for at least 3 seconds and move from the 1.Press the operation level to the initial setting level. Key and move from the initial setting level to the 2.Press the communications setting level. 3.Press the below. 4.Use the Key to change the settings items as shown and Keys to change the settings data.
(1) Communications unit number
(2) Baud rate
(3) Communications data length
(4) Stop bits
(5) Parity
Align each communications setting with the settings on the personal computer or other communications device.
1. Communications Unit Number (u-no)
When communicating with a host computer, set a unit number to enable the host computer to identify each unit. The number can be set in a range from 0 to 99 in increments of 1. The default unit number is 1. When using multiple units, the units will not function normally if the same unit number is set for more than one unit.
2. Baud Rate (bps)
Set the baud rate for communications with the host computer. The settings correspond to the following baud rates. 1.2 (1,200 bps), 2.4 (2,400 bps), 4.8 (4,800 bps), and 9.6 (9,600 bps).
Preset Counter/Timer
H8GN
C-77
I Parameters
Power ON + Keys 3 s. min. (default value) Operation level
Key less than 1 s. Key 1 s. min.
Power ON Key 1 s. min. Key 3 s. min.
Operation level
Key less than 1s.
Adjustment level
Protect level + Keys 1 s. min.
PV/SV
See note 1.
Key 3 s. min. PV Press the reset the PV. Key to
Initial setting level
Key less than 1 s.
Communications setting level
Key 1 s. min.
Password input set value "-169"
Operation in progress Operation stopped No display due to model and settings No display due to model and settings Level change
When totalizing counter selected When using SV-bank
Press the Key to reset Totalizing the totalizing count value and count value the PV simultaneously : SV 0 : SV 1 : SV 2 : SV 3
Advanced function setting level
SV-bank
Advanced function setting level
Key 1 s. min. Password input (-169) and move
Initial setting level
Key 1 s. min.
Parameter initialization
: Initialize : Not initialize When counter selected
Counter/ Timer selection
: Counter : Timer : Increment : Decrement : Individual : Quadrature See note 2.
Use SVbank
: Use : Not use
Input mode
When counter selected
Use totalizing counter Display auto-return time Move-toprotectlevel time
: Use : Not use
When timer selected
Time range
: No auto-return : 1 to 99 s. When counter selected : 3 to 30 s. When timer selected
Timer mode :N :F : C* : K* : A* : B* :D :E :F :Z
: Elapsed time : Remaining time
Output mode for counter
Output mode for timer
Note : The parameters shown in reverse video are the default settings.
When the above C*, K*, A*, or B* mode selected When counter selected
: 0.01 to 99.99 s Output Counter time : 0.00 to 99.99 s Timer Output will be held if output time is 0. Output time cannot be set to 0 when counter function is selected. Counting : 30 Hz speed : 5 kHz
Input signal width (start, reset, gate) Decimal point position Prescale value When increment or decrement selected in counter input mode See note 3.
: 20 ms : 1 ms :0 : 0.0 : 0.00 : 0.000 : 0.001 to 9.999
When counter selected
Input signal edge
: Counting on rising edge : Counting on falling edge
Move to advanced function setting level.
C-78
Preset Counter/Timer H8GN
+
Key for more than set time (The default setting is 3 s.) + Key for 1 s. min.
Adjustment level
Communications writing
Protect level
Operation/ adjustment protection Initial settings/ communications protection Setting changes protection Reset Key protect : Level 0 : Level 1 : Level 2 : Level 3 : Level 0 : Level 1 : Level 2 : No key-operated setting changes : Key-operated setting changes allowed : Reset Key disabled : Reset Key enabled
SV 0
See note 1.
SV 1 When using SV-bank SV 2
See note 1.
See note 1.
SV 3
See note 1.
When timer output mode Z is selected
Cycle time See note 1.
Communications setting level
Communications Unit No.
/
: 0 to 99 : 1,200 bps : 2,400 bps : 4,800 bps : 9,600 bps : 7 bits : 8 bits
Baud rate
Note: 1. Counter (increment or decrement) : 0 to 9999 Counter (individual or quadrature) : -999 to 9999 Timer (cycle time or mode other than output mode Z) : 0.000 to 9.999 s : 0.00 to 99.99 s : 0.0 to 999.9s, min, h : 0 to 9999 s, h : 0 min 00 s to 99 min 59 s : 0 h 00 min to 99 h 59 min Timer (output mode Z) : 0% to 100% (ON duty) 2. Time range : -.---s
Models with communications
Data length
Stop bits
: 1 bit : 2 bits : None : Even : Odd
: --.--s (default) : ---.-s
Parity
: ----s : --min--s : ---.-min
Note : Settings made in the communications setting level are enabled when the power is turned ON again.
: --h--min : ---.-h : ----h 3. Displayed when level 0 is selected for initial setting/ communications protection in the protect level.
Preset Counter/Timer
H8GN
C-79
Counters
Models with communications
: Enabled : Disabled
I Operating Mode
Input/Output Modes and Count Values
up) Up (Increment) mode (up up Input edge UP
CP1: Count input CP2: Count prohibit input
down) Down (Decrement) mode (down down
CP1: Count input CP2: Count prohibit input
Count prohibit
Count prohibit
n n-1 n-2 Count Count n-3 n-4 n-5
DOWN
CP1: Count input
CP2: Count prohibit input
CP1: Count input
CP2: Count prohibit input
Count prohibit
Count prohibit
n n-1 n-2 Count Count n-3 n-4 n-5
ud-b) Up/Down B Individual input (ud-b ud-b
ud-c) Up/Down C quadrature input (ud-c ud-c
Count
Count
Note: 1. (A) indicates the minimum signal width and (B) requires at least 1/2 the minimum signal width. If these conditions are not met, a counting error (+1 or -1) may occur. 2. The following table explains the L and H symbols in the above graphics. Symbol H L Short-circuited Open Input
C-80
Preset Counter/Timer H8GN
Input/Output Mode Settings
Counter Function
Input mode Up Output mode N
Reset
Down
Up/Down B.C
SV
0 -999 Output
F
Reset 9999
SV
0 -999 Output
C
Reset 9999
SV
0 -999 Output t t t t t-a t t t t
K
Reset 9999 SV
0 -999 Output t-a t t-a t-a t t-a t
Note: 1. t: output time. t - a < t : Less than the output time. 2. If there is a power failure during output ON, output will turn ON again when the power supply has recovered. For one-shot output, an output will be made again for the duration of the output time setting once the power supply has resumed. 3. Output timing restarted during one-shot outputs is ignored.
Totalizing Counter Operation
Reset Totalizing count reset (reset key) PV
* Totalizing counter continues to count the present value, regardless of whether an reset input (by the reset key) has been made to reset the PV. * When totalizing count value is reset, the PV is reset at the same time. * The totalizing count range is 0 to 99,999,999. If the totalizing count exceeds 99,999,999, the count returns to 0. If the count drops below 0, it becomes 99,999,999.
Totalizing count value
Preset Counter/Timer
H8GN
C-81
Counters
9999
Timer Function
A mode: Signal ON-delay (See note.)
Power supply Start Gate Power supply
B mode: Flicker (See note.)
Start Gate Reset Control output Timer display SV UP 0 SV DOWN 0
Reset Control output Timer display SV UP 0 SV DOWN 0
D mode: Signal OFF-delay
Power supply Start Gate Reset Control output Timer display Timer display SV UP DOWN 0 SV 0 Power supply
E mode: Interval
Start Gate Reset Control output SV 0 SV DOWN 0 UP
F mode: Accumulative
Power supply Start Gate Gate Reset Reset Control output Timer display SV 0 SV DOWN 0 Timer display UP Control output Cycle time
ON duty setting (%) ON time
Z mode: ON/OFF-duty adjustable flicker
Power supply Start
UP
0
Cycle time
ON duty setting (%) ON time
DOWN
0
Note: One-shot output or HOLD output can be selected for output:
Z Mode
Output quantity can be adjusted by changing the cycle time set in the adjustment level to 1 and by changing the ON duty (%) set value. The set value shows the ON duty (%) and can be set to a value between 0 and 100 (%). When the cycle time is 0, the output will always be OFF. When the cycle time is not 0 and when ON duty has been set to 0 (%), the output will always be OFF. When ON duty has been set to 100 (%), the output will always be ON.
Cycle time ON duty (%) Cycle time
Control output
C-82
Preset Counter/Timer H8GN
I Troubleshooting
When an error occurs, the error code is displayed on the main display. Take countermeasures according to the code. No. 1 display e111 e111 e1 ---Flashes sum No display No. 2 display No display Error contents Memory error (RAM) Memory error (EEP) CPU error Countermeasure Turn the power OFF and ON again. If normal operation is still not restored, it may be necessary to repair or replace the H8GN. If normal operation is restored by turning the power supply OFF and ON, it is possible that there is noise interference. Check that there is nothing in the vicinity that may be the source of noise. This is not an actual error. This display indicates that the present value has dropped to a value less than -999. Reset using reset input or pressing the Up Key when "- - - -" is displayed. Counters
Set value displayed or Present value underno display flow
Note: Error codes are displayed only if PV/SV or PV is being displayed.
Preset Counter/Timer
H8GN
C-83
Additional Information
I Parameters List
Fill in your set values in the Set value column of the following tables and utilize the tables for quick reference.
Protect Level
Parameter name Operation/Adjustment Protection Initial Setting/Communications Protection Setting Change Protection Reset Key Protection Parameter oapt icpt wtpt rpt 0 to 3 0 to 2 on/off on/off Setting range 0 1 off off Default value Unit Set value
Operation Level
Parameter name Present val- PV ue (PV)/ Set Value (SV) Counter Timer Parameter Setting (display) range -999 to 9999/---- (PV<-999) 0.000 to 9.999 (Time range=-.---s) 0.00 to 99.99 (Time range=--.--s) 0.0 to 999.9 (Time range=---.-s) 0 to 9999 (Time range=----s) 0:00 to 99:59 (Time range=--min--s) 0.0 to 999.9 (Time range=---.-min) 0:00 to 99:59 (Time range=--h--min) 0.0 to 999.9 (Time range=---.-h) 0 to 9999 (Time range=----h) SV Counter Timer (Output mode: A, B, D, E, F) 0 to 9999 (Input mode=Up or Down) -999 to 9999 (Input mode=Individual or quadrature) 0.000 to 9.999 (Time range=-.---s) 0.00 to 99.99 (Time range=--.--s) 0.0 to 999.9 (Time range=---.-s) 0 to 9999 (Time range=----s) 0:00 to 99:59 (Time range=--min--s) 0.00 to 999.9 (Time range=---.-min) 0:00 to 99:59 (Time range=--h--min) 0.00 to 999.9 (Time range=---.-h) 0 to 9999 (Time range=----h) Timer (Output mode: Z) PV Totalizing count value SV-bank m-sp 0 to 100 0 0.000 0.00 0.0 0 0:00 0.0 0:00 0.0 0 0 0 0.000 0.00 0.0 0 0:00 0.0 0:00 0.0 0 0 Second Second Second Second Minute: Second Minute Hour: Minute Hour Hour % Second Second Second Second Minute: Second Minute Hour: Minute Hour Hour Default value Unit Set value
Same as for PV in the above PV/SV column. 0 to 99999999 0/1/2/3 0 0
C-84
Preset Counter/Timer H8GN
Adjustment Level
Parameter name Communications writing control SV 0 SV 1 SV 2 SV 3 Cycle time Parameter cmwt sp-0 sp-1 sp-2 sp-3 Timer (Out- cyti put mode=Z) on/off Same as for PV in the above PV/SV column. Same as for PV in the above PV/SV column. Same as for PV in the above PV/SV column. Same as for PV in the above PV/SV column. 0.000 to 9.999 (Time range=-.---s) 0.00 to 99.99 (Time range=--.--s) 0.0 to 999.9 (Time range=---.-s) 0 to 9999 (Time range=----s) 0:00 to 99:59 (Time range=--min--s) 0.0 to 999.9 (Time range=---.-min) 0:00 to 99:59 (Time range=--h--min) 0.0 to 999.9 (Time range=---.-h) 0 to 9999 (Time range=----h) 0.000 0.00 0.0 0 0:00 0.0 0:00 0.0 0 Second Second Second Second Minute: Second Minute Hour: Minute Hour Hour Counters Set value Set value Setting range Default value off Unit Set value
Initial Setting Level
Parameter name Counter/Timer selection Input mode Time range Parameter func cntm timr cnt/tim up/down/ud-b/ud-c -.---s/--.--s/---.-s/----s/ --min--s/---.-min/--h--min/ ---.-h ----h up/down n/f/c/k a/b/d/e/f/= 0.01 to 99.99 0.00 to 99.99 cnts iflt dp pscl edge 30h=/skh= 20ms/1ms ----/---.-/--.--/-.--0.001 to 9.999 up/down -999 to 9999 Setting range Default value cnt up --.-Second Unit
Timer mode Output mode for counter function
timm outm
up n a 0.50 0.00 30h= 20ms ---1.000 up 0 Second Second
Output mode for timer func- outm tion Output time Counter Timer Counting speed Input signal width Decimal point position Prescale value Input signal edge otim
Move to function setting lev- amou el
Communications Setting Level
Parameter name Communications unit number Baud rate Communications data length Stop bits Parity Parameter u-no bps len sbit prty 0 to 99 1.2/2.4/4.8/9.6 7/8 1/2 none/eUen/odd Setting range 1 9.6 7 2 eUen kbps bit bit Default value Unit
Preset Counter/Timer
H8GN
C-85
Advanced Function Setting Level
Parameter name Parameter initialization SV-bank used Totalizing counter used Display auto-return time Move-to-protect-level time Parameter init mspu tcnu ret prlt on/off on/off on/off off/1 to 99 3 to 30 Setting range Default value off off off off 3 Second Second Unit Set value
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. M065-E1-02 In the interest of product improvement, specifications are subject to change without notice.
C-86
Preset Counter/Timer H8GN

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