H7EC

Features

Self-powered LCD totaliser

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
  • 8 digits, 8.6mm character height
  • Black or light-grey housing
  • Dual input speed: 30Hz <-> 1kHz
  • Short body: all models have a depth of 48.5mm
Specifications & ordering info

Ordering information

Count input

Max. counting speed

Display

Order code

Light grey body

Black body

No-voltage

30 Hz <-> 1 kHz (switchable)

7-segment LCD

H7EC-N

H7EC-N-B

PNP/NPN universal DC
voltage input

30 Hz <-> 1 kHz (switchable)

7-segment LCD

H7EC-NV

H7EC-NV-B

7-segment LCD with backlight

H7EC-NV-H

H7EC-NV-BH

AC/DC multi-voltage input

20 Hz

7-segment LCD

H7EC-NFV

H7EC-NFV-B

Specifications

Item

H7EC-NV-_/H7EC-NV-_H

H7EC-NFV-_

H7EC-N-_

Operating mode

Up type

Mounting method

Flush mounting

External connections

Screw terminals, optional wire-wrap terminals

Number of digits

8

Display

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

Max. counting speed

30 Hz/1 kHz

20 Hz

30 Hz/1 kHz

Case color

Light grey or black (-B models)

Attachment

Waterproof packing, flush mounting bracket

Supply voltage

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

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

Not required (powered by built-in battery)

Count 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 signal width

20 Hz: 25 ms, 30 Hz: 16.7 ms, 1 KHz: 0.5 ms

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)

Degree of protection

Front-panel: IP66, NEMA4, terminal block: IP20

Battery life (reference)

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

Size in mm (H×W×D)

24×48×55.5

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