Siemens SIMATIC S5-115F, User Manual

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S5-115F Manual Installation Guidelines
Connection with IM 304/IM 314 interface modules
Plug the IM 304 interface module into a CR 700-2F central rack to connect as many as four EUs per
interface to the CC. In this way, you can connect up to eight distributed EUs to the CC via the
IM 304. Plug an IM 314 into each ER 701-2 or ER 701-3 expansion rack. Connect the interface
modules with the 6ES5 721-.... connecting cable as shown in Figure 3-22.
Please note the following special features:
• Switches S1 and S2 on the frontplate can be set to determine whether only one interface
(X3 or X4) or both interfaces (X3 and X4) should be in operation.
Switch in RUN position: relevant interface in operation
Switch in OFF position: relevant interface not in operation; LED off.
• The lower front socket (X4) on the last IM 314 must always have a termination connector
plugged into it.
max. 4 distributed EUs
max. 4 distributed EUs
Connecting cable 721 Connecting cable 721
Connecting cable 721
Connecting cable 721
ER 701-2/-3 ER 701-2/-3
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IM 306 interface module
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Termination connector 6ES5 760-1AA11
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IM 314 interface module
Figure 3-22. Distributed Configuration with IM 304/314
EWA 4NEB 811 6148-02
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