H7E 查看數據表（PDF） - OMRON Corporation

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H7E

Self-powered Totalizer

OMRON Corporation 

New H7EC

PNP/NPN Universal DC Voltage Input Model Without Backlight

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

Relay

Relay

Input

Reset

No-voltage Input Model

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

Relay

Input

Reset

Relay

or Switch

or Switch

Terminals 2 and 4 are

internally connected.

or Switch

or Switch

2. Solid-state Input

Open collector of a

PNP transistor

Open collector of a

PNP transistor

Input

Reset

or Open collector of an

NPN transistor

or Open collector of an

NPN transistor

Note: Use Relays and Switches that have high contact

reliability because the current flowing from terminals

1 or 3 is small. It is recommended that OMRON's

G3TA-IA/ID be used as the SSR.

2. Solid-state Input

(Open Collector Input of an NPN Transistor)

Open collector of an

NPN transistor

Input

Reset

Open collector of an

NPN transistor

Terminals 2 and 4 are

internally connected. or Switch

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

functionally isolated.

2. Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V

Leakage current < 100 µA

AC/DC Multi-voltage Input Model

Relay

Input

Reset

Relay

Note: 1. Residual voltage in the output section of Proximity

Sensors or Photoelectric Sensors becomes less than

0.5 V because the current flowing from terminals 1 or 3

is small thus allowing easy connection.

2. Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V

Leakage current < 1 µA

or Switch

or Switch

or Open collector of

an NPN transistor

Note: Select input transistors according to the following:

Dielectric strength of the collector ≥ 50 V

Leakage current < 1 µA

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