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Omron H7EC-NV-H Counter

The Omron H7EC-NV-H Counter offers high-speed totalizing with switchable 30 Hz and 1 kHz operation, ensuring accurate performance for fast-moving automation processes. Supporting 4.5 to 30 VDC signals, it integrates smoothly with modern control systems and provides clear visibility through its 8-digit LCD. IP66 front protection, excellent EMC immunity, and robust shock and vibration resistance ensure stable operation even in demanding industrial conditions. Manufactured by Omron and included in Omron Counter solutions, this model belongs to the reliable Omron H7EC Series.

Omron H7EC-NV-H Counter
Datasheet
BrandOmron
ProductCounters
Model NumberH7EC-NV-H

Omron H7EC-NV-H Counter - Technical Specifications

SpecificationValue
FunctionTotal Counter
Count range0 to 99999999
Max. counting speed30 Hz/1 kHz (switching) (ON/OFF ratio 1:1)
Minimum input signal width30 Hz: 16.7 ms 1 kHz: 0.5 ms
Reset systemExternal and manual reset
Input signalCount input, Reset
No-voltage input (Contact input）Hight level: 4.5 to 30 VDC Low level: 0 to 2 VDC (Input resistance Approx. 4.7 kΩ)
Display methodLCD
Display Digits8 digit
External connectionsScrew terminal
Input modeVoltage input
External/Manual Reset time20 ms
Ambient temperature (Storage)-10 to 55 ℃ (with no freezing or condensation)
Ambient humidity (Operating)25 to 85 %
Dielectric withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min
Impulse withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Noise immunityBetween count input terminals: ±500 V Between reset terminals: ±500 V square-wave noise by noise simulator (pulse width: 100 ns/1 µs, 1-ns rise)
Static immunity±8 kV (malfunction)
Vibration resistanceBetween current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Shock resistanceDestruction: 300 m/s2, 3 times each in 6 directions Malfunction: 200 m/s2, 3 times each in 6 directions
Degree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)
Case colorLight gray (Munsell 5Y7/1)
WeightApprox. 60 g

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