VEGA VEGABAR 74 4 … 20 mA_HART - Manual (Page 16)

5 .3 Wiring plan
5
1
2
3
4
Fig. 4: Wire assignment, connection cable
1
brown (+): to power supply or to the processing system
2 blue (-): to power supply or to the processing system
3 yellow: is only required with VEGADIS 12, otherwise connect to minus or
with VEGABOX 01 to terminal 3
3 )
4 Screen
5 Breather capillaries with filter element
1
2
+
1
2
3
4
5
6
1
2
3
4
5
6
Fig. 5: Terminal assignment VEGABAR 74
1
To power supply or the processing system
2 Screen 4 )
Wire number Wire colour/Polarity VEGABAR 74 terminal
1 brown (+) 1
2 blue (-) 2
3 Y ellow 2
S creen G round
3) F or customer-specific versions already connected with blue (-) when being
shipped.
4) C onnect screen to ground terminal. Connect ground terminal on the outside
of the housing as prescribed. The two terminals are galvanically connected.
Direct connection
Connection via VEGABOX 02
16 VEGABAR 74 - 4 … 20 mA/HART
C onnecting to power supply
28432
-EN
-070718