21
4 Connecting to power supply
MINITRAC 31 • Foundation Fieldbus
62076-EN-190704
5 6 7 8
2
3
4
1
2
+
( )
(-)
1
Fig. 13: Adjustment and connection compartment (Ex-ia) with instruments with
intrinsically safe signal output
1 Terminals for intrinsically safe signal output FF bus
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 signal output