Siemens siprotec 7SA522 - Switching Elements on Printed Circuit Boards

3 Mounting and Commissioning
380
7SA522 Manual
C53000-G1176-C155-3
Figure 3-4 Front view with housing size
1
/
1
after removal of the front cover (simplified and scaled down)
3.1.2.3 Switching Elements on Printed Circuit Boards
Input/Output Board
C-I/O-1 and C-I/O-10
The layout of the PCB for the input/output board C-I/O-1 is shown in Figure 3-5, the
PCB for the input/output board C-I/O-10 is shown in Figure 3-6.
The power supply is situated
• On the input/output board C-I/O-1 (No. 2 in Figure 3-3, slot 19) for housing size
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/
2
,
• On the input/output board C-I/O-1 (No. 2 in Figure 3-4, slot 33 left) for housing size
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/
1
,
The preset nominal voltage of the integrated power supply is checked according to
Table 3-2, the quiescent state of the life contact is checked according to Table 3-3.