H7ET-NV1-B

Self-powered Totalizer

Image

Miniature Time Counter, Time Counter, 48×24×55.5 mm

Function Time Counter
Digits 7digits
Mounting method Flush mounting
External connection method Screw terminals

Item list of H7E[]-N

  • Ratings/Characteristics
FunctionTime Counter
Time counter (Input modes)Quadrature
Time counter (Time ranges)0 s to 999 h 59 min 59 s / 0.0 min to 9999 h 59.9 min (selectable)
Time counter (Set value read selector)+/- 100 ppm (25 CEL)
Time counter (Minimum signal input width)1 s
Time counter (Reset system)External reset/manual reset
Input signalCount input / Reset
Input methodVoltage input
Voltage inputHight level: 4.5 to 30 VDC
Low level: 0 to 2 VDC
Input resistance: 4.7 kΩ
Minimum input signal widthExternal reset: 20 ms
Display method7-segment transmissive LCD
Digits7digits
Character heightCurrent time: 8.6 mm (Black)
Zero suppression: Equipped
Prescaling functionNot provided
Key protectionKey protect Switch
Teaching functionNot provided
Batch counting functionNot provided
CommunicationsNot provided
Memory backupLithium battery ()
Battery lifeFor 10 years min. (with continuous input at 25CEL)
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 terminal and exposed non-current -carrying metal parts:4.5 kV
Noise immunityBetween timer input terminals:+/- 600 V
Between reset terminals:+/- 600 V
Square-wave noise by noise simulator (Pulse width: 100 ns/1 us, 1-ns rise)
Static immunity8 kV (malfunction)
Vibration resistance (Destruction)10 to 55 Hz with 0.375 mm single amplitude for two hours each in three directions
Vibration resistance (Malfunction)10 to 55 Hz with 0.15 mm single amplitude for ten minutes each in three directions
Shock resistance (Destruction)300 m/s**2 three times each in six directions
Shock resistance (Malfunction)200 m/s**2 three times each in six directions
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 terminals
Case colorBlack (Munsell N1.5)
AccessoriesFlush mounting adapter / Waterproof rubber packing / Shock Prevention Cover / Unit label
WeightApprox. 60 g

Series

Self-powered Totalizer

H7E[]-N

about this Product