Omron H7EC-NV-H Total Counter

Digital Counter

Omron H7EC-NV-H Total Counter
FunctionTotal CounterCounterCount range0 to 99999999Max. counting speed30 Hz/1 kHz (switching)
(ON/OFF ratio 1:1)Minimum input signal width30 Hz: 16.7 ms
1 kHz: 0.5 msInput modeIncrement (UP)Reset systemExternal and manual resetInputInput signalCount input, ResetInput methodVoltage inputVoltage inputHight level: 4.5 to 30 VDC
Low level: 0 to 2 VDC (Input resistance Approx. 4.7 kΩ)Reset timeExternal reset20 msManual reset20 msDisplayDisplay methodBacklit transmissive LCDDigits8 digitCharacter height8.6 mm (Black)Zero suppressionEquippedKey protectionKey protect SwitchAmbient temperature (Operating)-10 to 55 ℃ (with no freezing or condensation)Ambient temperature (Storage)-25 to 65 ℃ (with no freezing or condensation)Ambient humidity (Operating)25 to 85%Insulation resistanceBetween current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Between backlight power terminals and count input/reset terminals: 100 MΩ min. (at 500 VDC)Dielectric withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min
Between backlight power terminals and count input/reset terminals: 1000 VAC 50/60 Hz 1 minImpulse withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 4.5 kVNoise immunityBetween count input terminals: ±600 V
Between reset terminals: ±600 V
Between backlight power terminals: ±480 V
square-wave noise by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)Static immunity±8 kV (malfunction)Vibration resistanceDestruction: 10 to 55 Hz, 0.375 mm single amplitude each in 3 directions for 2 h
Malfunction: 10 to 55 Hz, 0.15 mm single amplitude each in 3 directions for 10 minShock resistanceDestruction: 300 m/s2, 3 times each in 6 directions
Malfunction: 200 m/s2, 3 times each in 6 directionsDegree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)External connection methodScrew termina