Pilz 20 748-03 Operating Manual page 13

MD
LD
24 V
X0
0 V
X1 X2
4
4
Fig. 7: Earthing
Legend, Fig. 8:
➀
➁
➂
➃
➄
Operating Manual: PSS SB ACTIVE JUNCTION BASIS
I/OD
main branch
2
X5
3
X3 X4
Cable screening
Galvanic isolation
Base unit PSS SB ACTIVE JUNCTION BASIS
Field device
Screen bar/earth bar
Functional earth
I/OD
2
24 V
X0
3
0 V
X1 X2
4
4
I/OD
5
X5
X3 X4
13