Vega VEGABAR 86 Operating Instructions Manual page 21

Electronics and connec-
tion compartment for
power supply
Connection compartment
VEGABAR 86 • Modbus and Levelmaster protocol
Fig. 14: Electronics and connection compartment
1 Electronics module
2 Cable gland for voltage supply
3 Cable gland for connection cable, transmitter
( )
4
Fig. 15: Connection compartment
1 USB interface
2 Slide switch for integrated termination resistor (120 Ω)
3 Modbus signal
4 Voltage supply
Terminal Function
1 Voltage supply
2 Voltage supply
3 Modbus signal D0
4 Modbus signal D1
5 Function ground when installing ac-
cording to CSA (Canadian Standards
Association)
5 Connecting to power supply and bus system
4...20mA
+
1 2
( ) (-)
USB
MODBUS
power supply
+ 1 2 off on 3 4
(-)
5 6 7 8
1
2
5
3
Polarity
+
-
+
-
1
2
3
21