H7ER-NV-B(2013) 데이터 시트보기 (PDF) - OMRON Corporation

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H7ER-NV-B
(Rev.:2013)

Self-powered Totalizer

OMRON Corporation 

Connections

■ Terminal Arrangement

Bottom view: View of the Total Counter rotated horizontally 180°

Backlight Model

No-backlight Model

New H7EC

Backlight

24 VDC

Count

input

Reset

input

■ Connections

Count

input

Reset

input

H7EC Total Counter

PNP/NPN Universal DC Voltage Input Model With Backlight

1. Contact Input (Input by a Relay or Switch Contact)

2. Solid-state Input

Relay

Input

Backlight

24 VDC

Reset

Relay

Open collector of a

PNP transistor

Input

Open collector of a

Backlight PNP transistor

24 VDC

Reset

or Switch

or Switch

or Open collector of an

NPN transistor

or Open collector of an

NPN transistor

Note: 1. Terminals 2 and 4 (input circuit and reset circuit) are func-

tionally isolated.

2. Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V

Leakage current < 100 µA

5

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