Siemens SIMATIC RI45 PII Series Product Information Bulletin page 35

Mother Board
The mother board is the heart of the RI45 PII. Here, data are processed and
stored, and interfaces and device I/Os are controlled and managed.
Processor plugged on X12
Figure 4-3 Mother Board
Product Information Bulletin RI45 PII
C79000-Z7076-C814-02
X11 X10
X18
X17
S2
1 2 3 4
4 3 2 1
S3
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X701
Expanding the RI45 PII
X800 X9
1
X502
X501
1
X100
X120
1
X4
2
1
X3
2
X7
X24
1
X40
2
4-5