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

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