H7EC-NFV-B

Self-powered Totalizer

Image

Total Counter, 48 x 24 x 55.5 mm, 8 digits, Free voltage input, Increment, Transistor output, 20 Hz, Reset key, Black

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

Item list of H7E[]-N

  • Ratings/Specifications
FunctionTotal Counter
CounterCount range0 to 99999999
Max. counting speed20 Hz (ON/OFF ratio 1:1)
Minimum input signal width25 ms
Input modeIncrement
Reset systemExternal and manual reset
InputInput signalCount input, Reset
Input methodFree voltage input
No-voltage input (No-contact input)Short-circuit (ON) impedance: 10 kΩ max.
Residual voltage: 0.5 V max. (Actual performance 1.0 V)
Open circuit impedance: 750 kΩ min.
Voltage inputHight level: 24 to 240 VAC/VDC
Low level: 24 to 240 VAC/VDC
Reset timeExternal reset20 ms
Reset time after completion of reset signal50 ms
DisplayDisplay method7-segment transmissive LCD
Digits8 digit
Character height8.6 mm (Black)
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 count input terminals and reset terminals: 100 MΩ min. (at 500 VDC)
Dielectric withstand voltageBetween count input terminals and exposed non-current-carrying metal parts: 3700 VAC 50/60 Hz 1 min
Between reset terminals and exposed non-current-carrying metal parts: 2200 VAC 50/60 Hz 1 min
Between count input terminals and reset terminals: 2200 VAC 50/60 Hz 1 min
Impulse withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Between count input terminals and reset terminals: 3 kV
Noise immunityBetween count input terminals: ±1.5 kV
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 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 colorBlack (Munsell N1.5)
AccessoriesFlush mounting adapter, Waterproof rubber packing
WeightApprox. 60 g
  • Dimensions

  • Input connection diagram

Free voltage input

Series

Self-powered Totalizer

H7E[]-N

about this Product