H7EC-NFV

Self-powered Totalizer

Image

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

Function Total Counter
Digits 8digits
Mounting method Flush mounting
External connection method Screw terminal

Item list of H7E[]-N

  • Ratings/Characteristics
FunctionTotal Counter
Counter (Count range)0~99999999
Counter (Max. counting speed)20 Hz (Minimum counting input signal width: 25 ms (ON/OFF ratio: 1:1))
Counter (Input mode)Increment
Counter (Reset system)External and manual reset
Input signalCount input / Reset
Input methodFree voltage input
No-voltage input (No-contact input)Short-circuit (ON) impedance: 10 kΩ
Residual voltage: 0.5 V max. (Actual performance 1.0 V)
Open circuit impedance: 750 kΩ
Voltage inputHight level: 24 to 240 VAC/VDC
Low level: 0 to 2.4 VAC/VDC
Minimum input signal widthExternal reset: 20 ms
Display method7-segment transmissive LCD
Digits8digits
Character heightCount value: 8.6 mm (Black)
Zero suppression: Provided
Prescaling functionNot provided
Key protectionKey protect Switch
Teaching functionNot provided
Batch counting functionNot provided
CommunicationsNot provided
Memory backupLithium battery ()
Battery lifeFor 7 years min. (with continuous input at 25 ℃)
Surrounding air temperatureOperating: -10 to 55 ℃
Storage: -25 to 65 ℃
Ambient humidityOperating: 25 to 85%
Storage: 25 to 85%
Insulation resistance100 MΩ min. (at 500 VDC)
Between current carrying terminals and exposed non-current carrying metal parts / Between count input terminals and reset terminals
Dielectric withstand voltageBetween count input terminals and exposed non-current-carrying metal parts:3700 VAC 50/60 Hz for 1 min
Between reset terminals and exposed non-current-carrying metal parts:2200 VAC 50/60 Hz for 1 min
Between count input terminals and reset terminals:2200 VAC 50/60 Hz for 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:3.0 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 resistance (Destruction)10 to 55 Hz, 0.375-mm single amplitude each in 3 directions for 2 h
Vibration resistance (Malfunction)10 to 55 Hz, 0.15 mm single amplitude each in 3 directions for 10 min
Shock resistance (Destruction)300 m/s**2, 3 times each in 6 directions (3 axes)
Shock resistance (Malfunction)200 m/s**2, 3 times each in 6 directions (3 axes)
Degree of protectionCase front: IP66, NEMA 4 (indoors), and UL Type 4X (indoors)(when using the Y92S-32 Waterproof Packing and Y92F-30 Flush Mounting Adapter)
Terminal block: IP20
Mounting methodFlush mounting
External connection methodScrew terminal
Case colorLight gray (Munsell 5Y7/1)
AccessoriesFlush mounting adapter / Waterproof rubber packing / Terminal cover
WeightApprox. 60 g
  • Dimensions

  • Terminal arrangement

  • Input connection diagram

Free-voltage input

Series

Self-powered Totalizer

H7E[]-N

about this Product