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Omron H7CC-A8D Digital Counter

The Omron H7CC-A8D Counter offers 1-stage preset and total counting functions with support for 24 VAC and 12–48 VDC supply ranges, ensuring versatile installation. It provides selectable 30 Hz or 10 kHz speeds, multiple UP/DOWN and quadrature inputs, and external/manual reset functions for accurate sequencing. The 11-pin socket simplifies mounting, while its 6-digit LCD ensures clear visibility. A robust SPST relay output and sensor-waiting safeguard ensure dependable control. Manufactured by Omron under the Omron Counter category, this model is part of the trusted Omron H7CC Series.

BrandOmron
ProductCounters
Model NumberH7CC-A8D

Omron H7CC-A8D Digital Counter - Technical Specifications

SpecificationValue
Power consumption5.5 VA/3.3 W
External power supply12 VDC (±10%), 100 mA (except for H7CC-A8@ models) Refer to Precautions for Correct Use on page 61 for details
Max. counting speed30 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
Counter Input modeIncrement (UP), decrement (DOWN), increment/decrement (UP/DOWN A (command input), UP/DOWN B (individual inputs), or UP/DOWN C (quadrature inputs)), UP/DOWN D (command input), UP/DOWN E (individual inputs), UP/DOWN E (quadrature inputs)
Input signalCP1, CP2, reset, and total reset
Prescaling functionYes (0.001 to 99.999)
Decimal point adjustmentRefer to the separate table for tachometer function ratings
ClassificationPreset counter
Configuration• 1-stage preset counter • Total and preset counter
Power supply voltage24 VAC/ 12 to 48 VDC
Mounting methodFlush mounting or surface mounting
External connections11-pin socket
OutputsContact output (SPST)
Digits6 digits -99999 to 999999 (-5 digits to +6 digits)
Operating voltage fluctuation range85% to 110% of rated supply voltage (12 to 48 VDC: 90% to 110%)
Auto-zero time/Startup time0.01 to 99.99 s
Sensor waiting timeExternal (minimum reset signal width: 1 ms or 20 ms, selectable), manual, and automatic reset (internal according to C, R, P, and Q mode operation)
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.
Display7-segment, negative transmissive LCD Character height Count value: 10 mm (white) Set value: 6 mm (green)
Memory backupNon-volatile memory (overwrites: 100,000 times min.) that can store data for 10 years min.
Storage temperature range-10 to 55°C (-10 to 50°C if Counter/Tachometers are mounted side by side) (with no icing or condensation)
Operating humidity range25% to 85%
Input modeNo-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)
Degree of protectionIEC IP66 for panel surface only and only when Y92S-P6 Waterproof Packing is used
Case colorBlack (N1.5)