H7EC-NV-H

Self-powered Totalizer

Image

Total Counter, 48 x 24 x 55.5 mm, 8 digits, Voltage input, Increment, Transistor output, 30 Hz/1 kHz (switching), with backlit, Reset key, Light gray

Digits 8 digit
External connection method Screw terminal
Mounting method Flush mounting

Item list of H7E[]-N

  • Ratings/Specifications
FunctionTotal Counter
Operating voltage range90% to 110% of the power supply voltage
CounterCount 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
Input modeIncrement
Reset systemExternal and manual reset
InputInput signalCount input, Reset
Input methodVoltage input
Voltage inputHight level: 4.5 to 30 VDC
Low level: 4.5 to 30 VDC
Input resistance: Approx. 4.7 kΩ
Reset timeExternal reset20 ms
Reset time after completion of reset signal50 ms
DisplayDisplay method7-segment backlit transmissive LCD
Digits8 digit
Character height8.6 mm (Black with backlit (Green))
Key protectionKey protect Switch
Surrounding air temperatureOperating: -10 to 55℃
Storage: -25 to 65℃
Ambient humidityOperating: 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 min
Impulse withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Noise 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 min
Shock resistanceDestruction: 300 m/s**2 , 3 times each in 6 directions
Malfunction: 200 m/s**2 , 3 times each in 6 directions
Degree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors) (when using the Y92S-32 Waterproof Packing)
External connection methodScrew terminal
Case colorLight gray (Munsell 5Y8/1)
AccessoriesFlush mounting adapter, Waterproof rubber packing
WeightApprox. 65 g
  • Dimensions

  • Input connection diagram

Voltage input

Series

Self-powered Totalizer

H7E[]-N

about this Product