H7ER-N-B

Self-powered Totalizer

Image

Tachometer, 48 x 24 x 53.5 mm, 4 digits, No-voltage input, Transistor output, Memory backup, Reset key, Black

Function Tachometer
Digits 4digits
Mounting method Flush mounting
External connection method Screw terminal

Item list of H7E[]-N

  • Ratings/Characteristics
FunctionTachometer
Tachometer (Pulse measurement method)Incrementing Operation Within Unit Time (Up)
Tachometer (Sampling period)Incrementing Operation Within Unit Time (Up): 1 s
Tachometer (Max. counting speed)Incrementing Operation Within Unit Time (Up): 1 kHz
Tachometer (Count range)0 to 9999
Tachometer (Max Display speed)1000 s**-1(rps) (When encoder resolution of 1 pulse/rev is used.)
1000 min**-1(rpm) (When encoder resolution of 60 pulse/rev is used.)
Input signalCount input
Input methodNo-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
Display method7-segment transmissive LCD
Digits4digits
Character heightMeasurement value: 8.6 mm (Black)
Zero suppression: Provided
Prescaling functionNot provided
Key protectionNot provided
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
Dielectric withstand voltageBetween current carrying terminals and exposed non-current carrying metal parts:1000 VAC 50/60 Hz for 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
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 colorBlack (Munsell N1.5)
AccessoriesFlush mounting adapter / Waterproof rubber packing / Terminal cover / Unit label
WeightApprox. 60 g
  • Dimensions

  • Terminal arrangement

  • Input connection diagram

No-voltage input

Series

Self-powered Totalizer

H7E[]-N

about this Product