Siemens SIMATIC S5-115U, Руководство пользователя

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Installation Guidelines S5-115U Manual
Connection with IM 304/IM 314 Interface Modules
Plug the IM 304 interface module into a CR 700-2/-3-0LB central rack to connect as many as four
EUs per interface to the CC. 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 3-20.
Connections with the IM 304/IM 314 interface modules have the following special features:
• Using the IM 304/IM 314 symmetrical interface modules, you can connect EUs on ER 701-2 or
ER 701-3 expansion racks with full address bus to CCs of the S5-115U, S5-135U, S5-150U, and
S5-150S and S5-155U systems.
• Connection to EU 183, EU 185 and EU 186 is possible.
• You can use the extended address set for the programmable controllers mentioned above
(see the IM 304/IM 314 manual).
• Always insert a 6ES5 760-1AA11 termination connector in the receptacle for the lower front
connector (X4) on the last IM 314.
• The potential difference between CC and EU must not exceed 7 V. An equipotential bonding
conductor should therefore be provided!
721 Connecting cable 721 Connecting cable
721 Connecting cable
721 Connecting cable
ER 701-2/-3 ER 701-2/-3
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IM 306 Interface Module
You can connect up to three ER 701-1 expansion racks here.
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Termination connector 6ES5 760-1AA11
ER 701-2/-3 ER 701-2/-3
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IM 314 * Interface Module
*
In adapter casing
Figure 3- 20. Distributed Configuration with IM 304/IM 314
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EWA 4NEB 811 6130-02b