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H7ER

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Features

Self-powered tachometer

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 53.5mm
  • 5 digits, 8.6mm character height
  • Black or light-grey housing
  • Dual revolution display
Specifications & ordering info

Ordering information

Count input

Display

Body color

Max. revolutions displayed (applicable encoder resolution)1

Order code

No-voltage input

7-segment LCD

Light grey

1,000 s-1 (1 pulse/rev.)

1,000 min-1 (60 pulse/rev.)

H7ER-N

PNP/NPN universal
DC voltage input

7-segment LCD

Light grey

1,000 s-1 (1 pulse/rev.)

1,000 min-1 (60 pulse/rev.)

H7ER-NV

1,000.0 s-1 (10 pulse/rev)

1,000.0 min-1 (600 pulse/rev) <->

10,000 min-1 (60 pulse/rev) (switchable)

H7ER-NV1

7-segment LCD with backlight

Black

1,000 s-1 (1 pulse/rev.)

1,000 min-1 (60 pulse/rev.)

H7ER-NV-BH

Specifications

Item

H7ER-NV1-_

H7ER-NV-_

H7ER-N-_

Operating mode

Up type

Mounting method

Flush mounting

External connections

Screw terminals, wire-wrap terminals

Display

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

Number of digits

5

4

Max. revolutions displayed

1,000.0 s -1 (when encoder resolution
of 10 pulse/rev is used)
1,000.0 min -1 (when encoder resolution of 600 pulse/rev is used)
<-> 10,000 min -1 (when encoder resolution of 60 pulse/rev is used)
(switchable with switch)

1,000 s -1 (when encoder resolution of 1 pulse/rev is used)
1,000 min -1 (when encoder resolution of 60 pulse/rev is used)

Attachment

Waterproof packing, flush mounting bracket, revolution unit labels

Supply voltage

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

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

Max. counting speed

10 kHz

1 kHz

Minimum signal width

10 kHz: 0.05 ms, 1 kHz: 0.5 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 with waterproof packing, terminal block: IP20

Battery life (reference)

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

Size in mm (H×W×D)

24×48×53.5


1. There are other models available on request. Please contact your Omron representative for special request.
1. There are other models available on request. Please contact your Omron representative for special request.

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