VEGA VEGAFLEX 81 4 … 20 mA_HART two-wire Coax probe With SIL qualification - Manual (Page 25)

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5 Connecting to power supply
VEGAFLEX 81 • 4 … 20 mA/HART two-wire
44216-EN-130823
Contact pin Colour connection ca-
ble in the sensor
Terminal, electronics
module
Pin 4 Black 8
5.6 Wiring plan - version IP 66/IP 68, 1 bar
1
2
Fig. 18: Wire assignment fix-connected connection cable
1 brown (+) and blue (-) to power supply or to the processing system
2 Shielding
5.7 Supplementary electronics
You can use the supplementary electronics - second current output to
provided a second measured value.
Both current outputs are passive and need a power supply.
The second current output (II) cannot be used in safety-instrumented
systems according to SIL.
1 2 +
( ) (-)
I
4...20mA
I I
4...20mA
7 8 +
( ) (-)
3
1 2
Fig. 19: Connection compartment double chamber housing, supplementary
electronics - second current output
1 First current output (I) - Voltage supply and signal output (HART)
2 Second current output (II) - Voltage supply and signal output (without HART)
3 Ground terminal for connection of the cable screen
The radio module PLICSMOBILE is an external GSM/GPRS radio
unit for transmission of measured values and for remote parameter
adjustment.
Wire assignment, con-
nection cable
Supplementary electron-
ics - Second current
output
Supplementary elec-
tronics - Radio module
PLICSMOBILE