Siemens SIMATIC ET 200SP HA Handbuch Ausrüstung - Seite 14

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Connection

4.2

Pin assignment (2-wire connection)

Definition

The pin assignment provides information about the arrangement and identification of the

terminals when wiring a connector.

Description

The pin assignment on the left side of the terminal blocks with potential distributor corresponds

to the following assignment:

Pin assignment (1-wire connection) (Page 13)

The potential distributor with the following terminals is located on the right side of the terminal

block:

• 32 L+ terminals for power supply of sensors.

• Four M terminals

Note

• The L+ terminals on the potential distributor are intended exclusively for the sensors

connected to the I/O module using a 2-wire connection system.

• You may not use these terminals as voltage source for other devices in the system.

4.3

Example

For example, when using an external supply voltage with ground connection to M

4.4

Example connection scheme for DI-2 wire sensor connection

Example

This connection variant is only permitted with terminal blocks of the type "potential distributor".

Equipment Manual, 10/2021, A5E48262828-AB

DI 32x24VDC HA