H7ET

Features

Self-powered time counter

The H7E series is available with large display with 8.6mm character height. It includes models with backlight for improved visibility in dimly lit places. The H7E family includes total counters, time counters, tachometers and PCB-mounted counters.

  • H 24 x W 48 x D 55.5mm
  • 7 digits, 8.6mm character height
  • Black or light-grey housing
  • Dual time range 999999.9h <-> 3999d23.9h or 999h59m59s <-> 9999h59.9m
Specifications & ordering info

Ordering information

Timer input

Display

Order code

Time range 999999.9h <-> 3999d23.9h (switchable)

Time range 999h59m59s <-> 9999h59.9m

Light grey body

Black body

Light grey body

Black body

No-voltage input

7-segment LCD

H7ET-N

H7ET-N-B

H7ET-N1

H7ET-N1-B

PNP/NPN universal
DC voltage input

7-segment LCD

H7ET-NV

H7ET-NV-B

H7ET-NV1

H7ET-NV1-B

7-segment LCD with backlight

H7ET-NV-H

H7ET-NV-BH

H7ET-NV1-H

H7ET-NV1-BH

AC/DC multi-voltage input

7-segment LCD

H7ET-NFV

H7ET-NFV-B

H7ET-NFV1

H7ET-NFV1-B

Specifications

Item

H7ET-NV_-_/H7ET-NV_-_H

H7ET-NFV_-_

H7ET-N_-_

Operating mode

Accumulating

Mounting method

Flush mounting

External connections

Screw terminals

Display

7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm)

Number of digits

7

Case color

Light grey or black (-B models)

Attachment

Waterproof packing, flush mounting bracket, time unit labels

Supply voltage

Backlight model: 24 VDC (0.3 W max.) (for backlight)

No-backlight model: Not required
(powered by built-in battery)

Not required (powered by built-in battery)

Timer input

High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC
(Input impedance: Approx. 4.7 kΩ)

High (logic) level:
24 to 240 VAC/VDC, 50/60 Hz
Low (logic) level:
0 to 2.4 VAC/VDC, 50/60 Hz

No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.

Reset input

No voltage input
Maximum short-circuit impedance:
10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.

Minimum pulse width

1 s

Reset system

External reset and manual reset: Minimum signal width of 20 ms

Ambient temperature

Operating: -10 to 55°C (with no condensation or icing), storage: -25 to 65°C (with no condensation or icing)

Time accuracy

±100 ppm (25°C)

Degree of protection

Front-panel: IP66, NEMA4 with waterproof packing, terminal block: IP20

Battery life (reference)

10 years min. with continuous input at 25°C (lithium battery)

Size in mm (H×W×D)

24×48×55.5

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