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H7ET-NFV1

Self-powered Totalizer

Image

Time Counter, 48 mm x 24 mm x 55.5 mm, 7 digit, 0 s to 999 h 59 min 59 s/0.0 min to 9999 h 59.9 min (selectable), Free voltage input, Light gray

Digits 7 digit
External connection method Screw terminal
Mounting method Flush mounting

Item list of H7E[]-N

  • Ratings/Specifications
FunctionTime Counter
Time counter Time rangesIncrement
Time ranges0 s to 999 h 59 min 59 s/0.0 min to 9999 h 59.9 min (selectable)
Set value read selector±100 ppm (25 ℃)
Minimum signal input width1 s
Reset systemExternal and manual reset
InputInput signalCount input, Reset
Input methodFree voltage input
Voltage inputHight level: 24 to 240 VAC/VDC
Low level: 0 to 2.4 VAC/VDC
Reset timeExternal reset20 ms
Manual reset20 ms
DisplayDisplay methodLCD
Digits7 digit
Character height8.6 mm
Zero suppressionEquipped
Key protectionKey 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 resistanceBetween current carrying terminals and exposed non-current carrying metal parts: 100 MΩ min. (at 500 VDC)
Between timer input terminals and reset terminals: 100 MΩ min. (at 500 VDC)
Dielectric withstand voltageBetween reset terminals and exposed non-current-carrying metal parts: 2200 VAC 50/60 Hz 1 min
Between timer input terminals and exposed non-current-carrying metal parts: 3700 VAC 50/60 Hz 1 min
Between timer 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 timer input terminals and reset terminals: 3 kV
Noise immunityBetween reset terminals: ±500 V
Between timer input terminals: ±1.5 kV
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)
External connection methodScrew terminal
Case colorLight gray (Munsell 5Y7/1)
AccessoriesFlush mounting adapter, Lithium Battery (3 V), Waterproof packing, Unit label
WeightApprox. 60 g
  • Dimensions

  • Terminal arrangement

  • Input connection diagram

Free voltage input

Series

Self-powered Totalizer

H7E[]-N