H7EC-N 8 digit Count input Self-powered Totalizer Total Counter SE78

H7EC-N 8 digit Count input Self-powered Totalizer Total Counter SE78

Description:
Total Counter, 48 x 24 mm, 8 digit, Increment, S343?Contact output, Max. counting speed: 30 Hz/1 kHz

Feature:
Count range 0 to 99999999
Max. counting speed 30 Hz/1 kHz (switching)
(ON/OFF ratio 1:1)
Minimum input signal width 30 Hz: 16.7 ms
1 kHz: 0.5 ms
Input mode Increment (UP)
Reset system External and manual reset
Input signal Count input, Reset
Input method No-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.
External reset 20 ms
Manual reset 20 ms
Digits 8 digit
Character height 8.6 mm (Black)
Zero suppression Equipped
Key protection Key protect Switch
Ambient 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 resistance Between current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Dielectric withstand voltage Between current carrying terminals and exposed non-current carrying metal parts: 1000 VAC 50/60 Hz 1 min
Impulse withstand voltage Between current carrying terminals and exposed non-current carrying metal parts: 4.5 kV
Noise immunity Between count input terminals: ±500 V
Between reset terminals: ±500 V
square-wave noise by noise simulator (pulse width: 100 ns/1 ?s, 1-ns rise)
Static immunity ±8 kV (malfunction)
Vibration resistance Destruction: 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 resistance Destruction: 300 m/s2, 3 times each in 6 directions
Malfunction: 200 m/s2, 3 times each in 6 directions