Siemens SIMATIC S5-95F - Page 113

Expansion of Basic System with External I/Os S5-95F
Example: Indirect Control of Actuators via Coupling Relays with P-P Control (Type M)
Insert one module into slot n of subunit A and the other module into slot n+1 of subunit B, with
n being an even number between 0 and 30 (see section 6.2).
Set the selector switches of the modules in subunit A and B to P (P output).
Connect the 24 V DC supply voltage to terminals 1 and 2.
Wire the outputs with the coupling relays (as shown in Figure 5-16).
Wire the actuators.
Parameterize the outputs in DB1.
Figure 5-16. Example for Connection of the External
Digital Output Module (twice P output)
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DIGITAL OUTPUT
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6ES5 450-8FA11
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DIGITAL OUTPUT
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6ES5 450-8FA11
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An overview of suitable coupling elements is given in section 4.3.
5-18 EWA 4NEB 812 6210-02