VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) enamel 4 … 20 mA_HART - two-wire - Manual (Page 27)

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5 Connecting to power supply
VEGAPULS 66 enamel • 4 … 20 mA/HART - two-wire
36527-EN-121011
4...20mA
2 1 2 +
( ) (-)
1
Fig. 22: 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. 23: Top view of the plug connector
1 Pin 1
2 Pin 2
3 Pin 3
4 Pin 4
Contact pin Colour connection ca-
ble 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. 24: Wire assignment fix-connected connection cable
1 brown (+) and blue (-) to power supply or to the processing system
2 Shielding
5.7 Switch-on phase
After connecting the instrument to power supply or after a voltage
recurrence, the instrument carries out a self-check for approx. 30 s:
•
Internal check of the electronics
Connection compartment
Plug M12 x 1 for external
indicating and adjust-
ment unit
Wire assignment, con-
nection cable