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Getting Started - ET 200S-IM 151/CPU Interface Module

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1 Wire the S7-300 as described in the

S7-300 Programmable Controller, Hardware and

Installation

manual or in

STEP 7 Getting Started, V5.0

2 Extend the connections of the 4 switches using a cable. Strip 6 mm off the cable ends and

attach wire end ferrules.

3 Connect the inputs 1.1 (terminal 13) and 1.2 (terminal 14) on the DI of S7-300 by means of a

switch to L+ on the PS of the S7-300.

4 Connect the two remaining 1-pin switches to the DI of the ET 200S as follows:

• One switch to terminals 1 and 3

• The other switch to terminals 5 and 7

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To release the spring in a connection, insert a screwdriver with a 3 mm blade into the upper

round hole in the terminal until it reaches the stop, moving the screwdriver upwards slightly, if

necessary. You can then insert a free cable end into the square hole below. Remove the

screwdriver and check that the cable is in position securely.

5 Wire terminal 2 of the TM of the PM to L+ of the PS and terminal 3 of the TM of the PM to M of

the PS. Strip 11 mm from the cable ends, and attach wire end ferrules.

6 Wire terminal 1L+ of the IM 151/CPU to L+ of the PS and terminal 1M of the IM 151/CPU to M

of the PS.

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• Strip 11 mm from the cable ends that have to be connected, and attach wire end ferrules.

• You can also use the power supply of the S7-300 for the IM 151/CPU and the PM.

7 Connect the programming device and the IM 151/CPU to the programming device cable, and

secure all the connectors.

8 Connect the PS of the ET 200S, the PS of the S7-300 and the programming device to the

network.

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shown; the programming device is connected to the S7-300)

Siemens SIMATIC IM 151/CPU User Manual

Questions and Answers: