User's Manual

36
5 Connecting to power supply
VEGAPULS 62 • 4 … 20 mA/HART - two-wire
36503-EN-161221
5.5 Wiring plan, double chamber housing Ex d ia
31
2
567
8
1
2
( )
(-)
+
4...20mA
Fig. 28: Electronics compartment, double chamber housing Ex d ia
1 Internal connection to the terminal compartment
2 For display and adjustment module or interface adapter
3 Internal connection to the plug connector for external display and adjust-
ment unit (optional)
Note:
HART multidrop mode is not possible when using an Ex-d-ia instru-
ment.
4...20mA
1
2
+
( )
(-)
2
1
Fig. 29: Terminal compartment, double chamber housing Ex d ia
1 Voltage supply, signal output
2 Ground terminal for connection of the cable screen
34
1
2
Fig. 30: Top view of the plug connector
1 Pin 1
2 Pin 2
3 Pin 3
4 Pin 4
Electronics compartment
Terminal compartment
Plug M12 x 1 for external
display and adjustment
unit