VEGA POINTRAC 31 8_16 mA_HART - four-wire - Manual (Page 21)

21
5 Connecting to power supply
POINTRAC 31 • 8/16 mA/HART - four-wire
39411-EN-131119
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 intrinsically safe signal output 8/16 mA/HART (Multidrop) ac-
tive (not on versions with Ex-d approval)
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