7 switch-on phase – VEGA VEGAPULS 66 (≥ 2.0.0 - ≥ 4.0.0) 4 … 20 mA_HART - two-wire User Manual

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5 Connecting to power supply

VEGAPULS 66 • 4 … 20 mA/HART - two-wire

36519-EN-121011

4...20mA

2

1

2

+

( )

(-)

1

Fig. 23: 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. 24: 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. 25: 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

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