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Distributed I/O System ET 200S

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3.4 3.4<br />

Characteristics<br />

Digital electronic modules<br />

3.4 4DI 24 VDC Standard digital electronic module (6ES7131-4BD01-0AA0).<br />

4DI 24 VDC Standard digital electronic module<br />

(6ES7131-4BD01-0AA0).<br />

General terminal assignment<br />

• Digital electronics module with four inputs<br />

• Nominal input voltage 24 VDC<br />

• Suitable for switches and proximity switches (BEROs)<br />

Note<br />

Terminals 4, 8, A4, A8, A3 and A7 are only available at specified terminal modules.<br />

Terminal assignment for the 4DI 24 VDC Standard (6ES7131-4BD01-0AA0).<br />

Terminal Assignment Terminal Assignment Notes<br />

1 DI0 5 DI1 • DIn: Input signal, Channel n<br />

2 DI2 6 DI3 • L+ Sensor power supply 24 VDC<br />

3<br />

4<br />

L+<br />

L+<br />

7<br />

8<br />

L+<br />

L+<br />

• AUX1: Protective-conductor terminal or potential bus (freely usable<br />

up to 230 VAC)<br />

A4 AUX1 A8 AUX1<br />

A3 AUX1 A7 AUX1<br />

<strong>ET</strong> <strong>200S</strong><br />

Manual, 12/2005, A5E00514527-03 3-11

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