23
5 Connecting to power supply
FIBERTRAC 31 • Profibus PA
43833-EN-170126
5 6 7 8
2
3
4
1
2
+
( )
(-)
1
Fig. 11: Adjustment and connection compartment (Ex-ia) with instruments with
intrinsically safe current output
1 Terminals for Profibus PA
2 Contact pins for the display and adjustment module or interface adapter
3 Terminals for the external display and adjustment unit
4 Ground terminal
Adjustment and connec-
tion compartment - In-
struments with intrinsi-
cally safe current output