VEGA VEGAPULS 68 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire - Manual (Page 33)

33
5 Connecting to power supply
VEGAPULS 68 • 4 … 20 mA/HART - two-wire
36535-EN-130205
Note:
If an instrument with Ex-d-ia approval is used, HART multidrop ope-
ration is not possible.
4...20mA
2 1 2 +
( ) (-)
1
Fig. 33: Connection compartment, Ex-d double chamber housing
1 Voltage supply, signal output
2 Ground terminal for connection of the cable screen
3 4
1 2
Fig. 34: Top view of the plug connector
1 Pin 1
2 Pin 2
3 Pin 3
4 Pin 4
Contact pin Colour connection
cable in the sensor
Terminal, electronics
module
Pin 1 Brown 5
Pin 2 White 6
Pin 3 Blue 7
Pin 4 Black 8
5.6 Wiring plan - version IP 66/IP 68, 1 bar
1
2
Fig. 35: Wire assignment fix-connected connection cable
1 brown (+) and blue (-) to power supply or to the processing system
2 Shielding
Connection compartment
Plug M12 x 1 for external
indicating and adjust-
ment unit
Wire assignment, con-
nection cable