Siemens SIMATIC TOP connect Manual page 32

Connecting
4.3 Connecting components
The following table shows the assignment of the respective connecting cable connectors to
the channels of the Compact CPU 312C via the address assignment (X1).
Assignment of the cable connections to the address bytes (X1) of the compact CPU 312C
Cable connections
①
②
③
For the Compact CPU 312C, 314C-2PtP, 314C-2DP for the connection X1:
Relates to the following order number:
● 6ES7921-3AM20-0AA0
5
6
8
1
5
5
2
5
①
②
③
⑤
⑥
⑦
⑧
⑨
The connectors for the supply voltage are only available in the screw-type version.
32
5
7
+
-
+
-
9
3
5
5
5
Cable connections
Cable connections
Cable connections
Openings for strain relief
Opening for connecting cable
Opening for screwdriver
①
Supply connections for
③
Supply connections for
Address assignment (X1) for Compact CPU 312C
IB x
IB (x+1)
QB x
②
and
System cabling for S7-300
Manual, 09/2018, 70327045899