Wiring Plan - Vega VEGABAR 87 Operating Instructions Manual

Overview
Electronics compartment
Connection compartment
VEGABAR 87 • Modbus and Levelmaster protocol
5.3

Wiring plan

1
Fig. 10: Position of connection compartment (Modbus electronics) and electron-
ics compartment (sensor electronics)
1 Connection compartment
2 Electronics compartment
( )
Fig. 11: Electronics compartment - double chamber housing
1 Internal connection to the connection compartment
2 For display and adjustment module or interface adapter
( )
4
Fig. 12: 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
5 Connecting to power supply and bus system
4...20mA
+
1 2
5 6
(-)
1 1
USB
MODBUS
power supply
+ 1 2 off on 3 4
(-)
2
2
7 8
1
2
5
3
Polarity
+
19