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Omron H7EC-NV Counter

The Omron H7EC-NV Counter supports universal DC voltage input from 4.5 to 30 VDC, enabling smooth integration with both PNP and NPN devices. Its switchable 30 Hz to 1 kHz counting speeds and bright 8-digit LCD make it suitable for fast or standard totalizing tasks. IP66 front sealing and strong resistance to electromagnetic noise ensure dependable performance in industrial environments. With stable external and manual reset control, it offers precise and long-lasting operation. Manufactured by Omron and classified under Omron Counter solutions, this model is part of the Omron H7EC Series.

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

Omron H7EC-NV 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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H7ER-N-BH7ER-N-B
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