User's Manual

Process I/O

ET 200M distributed I/O

DI/DO - digital input/output modules

11/18

Siemens ST PCS 7 · November 2007

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Overview

• Standard signal module for DC voltage (24 V DC) with

8 digital inputs and 8 digital outputs

• For connection of switches, 2-wire proximity switches (BERO),

solenoid valves, contactors, signal lamps

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Selection and Ordering Data Order No.

SM 323 for DC voltage (suitable for switches, BERO proximity

switches, solenoid valves, contactors, indicator lights etc.)

• 8 inputs 24 V DC

- Suitable for connection of

2-wire proximity switches

(BERO) as sensors

• 8 outputs, 24 V DC / 0.5 A

• Inputs and outputs electrically

isolated in groups of 8

• Front connector required:

20-contact

6ES7323-1BH01-0AA0