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Omron H7CX A Digital Multi Function Preset Counters

DIN 48 × 48 mm Multifunction Preset Counter with a Bright, Easy-to-view, Negative Transmissive LCD


Models H7CX-A114[]-N H7CX-A11[]-N H7CX-A4[]-N
Classification Preset counter
Configuration 1-stage preset counter, 1-stage preset counter with total counter (selectable) *1
Ratings Power supply
• 100 to 240 VAC, 50/60 Hz
• 24 VAC, 50/60 Hz or 12 to 24 VDC
• 100 to 240 VAC, 50/60 Hz
• 12 to 24 VDC
Operating voltage
fluctuation range
85% to 110% of rated supply voltage (12 to 24 VDC: 90% to 110%)
Approx. 9.4 VA at 100 to 240 VAC, Approx. 7.2 VA/4.7 W at 24 VAC/12 to 24 VDC, Approx.
3.7 W at 12 to 24 VDC
Mounting method Flush mounting or surface mounting Flush mounting
External connections 11-pin socket Screw terminals
Degree of protection IEC IP66, UL508 Type 4X (indoors) for panel surface only and only when Y92S-29
Waterproof Packing is used.
Input signals CP1, CP2, reset, and total reset
Counter Maximum
counting speed
30 Hz (minimum pulse width: 16.7 ms) or 10 kHz (minimum pulse width: 0.05 ms)
(selectable) (ON/OFF ratio 1:1) *Common setting for CP1 and CP2
Input mode Increment, decrement, increment/decrement (UP/DOWN A (command input), UP/DOWN
B (individual inputs), or UP/DOWN C (quadrature inputs))
Output mode N, F, C, R, K-1, P, Q, A, K-2, D, and L.
One-shot output
0.01 to 99.99 s
Reset system External (minimum reset signal width: 1 ms or 20 ms, selectable), manual, and
automatic reset (internal according to C, R, P, and Q mode operation)
Tachometer Refer to the separate table for tachometer function ratings.
Prescaling function Yes (0.001 to 9.999) Yes (0.001 to 99.999) Yes (0.001 to 9.999)
Decimal point adjustment Yes (rightmost 3 digits)
Sensor waiting time 290 ms max. (Control output is turned OFF and no input is accepted during sensor
waiting time.)
Input method No-voltage (NPN) input/voltage (PNP) input (switchable)
No-voltage inputs:
ON impedance: 1 kΩ max. (Leakage current: 12 mA at 0 Ω)
ON residual voltage: 3 V max.
OFF impedance: 100 kΩ min.
Voltage input:
High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC (Input resistance: approx. 4.7 kΩ)
External power supply 12 VDC (±10%), 100 mA (except for H7CX-A[]D models) Refer to on page for details.
Control output Contact output: 3 A at 250 VAC/30 VDC, resistive load (cosφ=1), Minimum applied load:
10 mA at 5 VDC (failure level: P, reference value)
Transistor output: NPN open collector, 100 mA at 30 VDC, Residual voltage: 1.5 VDC
max. (approx. 1 V), Leakage current: 0.1 mA max.
Display*3 7-segment, negative
transmissive LCD
Character height
Count value: 12 mm (red)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 10 mm (red)
Set value: 6 mm (green)
7-segment, negative
transmissive LCD
Character height
Count value: 12 mm (red,
green, or orange selectable)
Set value: 6 mm (green)
Digits 4 digits
-999 to 9999
(-3 digits to +4 digits)
6 digits
-99999 to 999999
(-5 digits to +6 digits)
4 digits
-999 to 9999
(-3 digits to +4 digits)
Memory backup EEPROM (overwrites: 100,000 times min.) that can store data for 10 years min.
Operating temperature
-10 to 55°C (-10 to 50°C if Counter/Tachometers are mounted side by side) (with no
icing or condensation)
Storage temperature range -25 to 70°C (with no icing or condensation)
Operating humidity range 25% to 85%
Case color Black (N1.5) (Optional Front Panels are available to change the Front Panel color to light
gray or white.)
Attachments Flush mounting adapter,
waterproof packing,
terminal cover