Name: Siemens SIMATIC S7-300 Module data
Brand: Siemens
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SIMATIC TOP Connect and SIMATIC TOP Connect TPA

8-8

Programmable Logic Controllers S7-300 Module Data

A5E00105505-03

Connect the connecting cable and the supply voltage to the front connector

module

1. Open the front door of the module.

2. Bring the front connector into the wiring position.

3. If necessary, connect the cables for the incoming supply of the module supply

voltage.

4. Insert the connecting cable into the front connector module as shown in the

following figure:

Figure 8-3 Inserting the Connecting Cable into the Front Connector Module

5. Twist every connecting cable 90 downwards and turn through one whole turn

to the extent possible.

Additional steps for wiring for 32-channel digital modules

Note

When using 32-channel digital modules, you must observe the assignment of the

supply connections to the connecting cable terminals and the assignment of the

connecting cable terminals to the address bytes of the module (refer to Figure 8-4

and Table 8-4).

6. Thread a strain relief assembly into the middle of the front connector. This

strain relief assembly is used to fix the connecting cables in the narrow cable

stowage area of the module.

7. Thread the strain relief assembly into the front connector.

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