Siemens 6DR55 Series Manual page 74

Preparing for operation
SIA module
Non--hazardous area
Figure 47 SIA module 6DR4004--6G, EEx n
72
Hazardous area zone 2
SIA module
6DR4004--6G
+
31
8.2 V
32
+
41
8.2 V
42
+
51
8.2 V
52
2K1
Fault message
10K
Limit A1
Limit A2
SIPART PS2 PA Manual
A5E00127926--05