Operating Instructions VEGAPULS 69

5 Connecting to power supply

Electronics compartment

5.6 Wiring plan, double chamber housing Ex d ia

2

4...20mA

Terminal compartment

+ 1 2 (-)

1

5 6 7 8

3

Fig. 31: Electronics compartment, double chamber housing Ex d ia

1 Internal connection to the connection compartment

2 For display and adjustment module or interface adapter

3 Internal connection to the plug connector for external display and adjustment unit (optional)

Note:

HART multidrop mode is not possible when using an Ex-d-ia instrument.

4...20mA

Plug M12 x 1 for external display and adjustment unit

+ 1 2 (-)

1

Fig. 32: Terminal compartment, double chamber housing Ex d ia

1 Voltage supply, signal output

2 Ground terminal for connection of the cable screen

4 3

2 1

Fig. 33: Top view of the plug connector

1 Pin 1

2 Pin 2

3 Pin 3

4 Pin 4

VEGAPULS 69 • 4 … 20 mA/HART two-wire

2

33