VEGA VEGABAR 81 Modbus and Levelmaster protocol - Quick setup guide - Manual (Page 11)

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4 Connecting to power supply and bus system
VEGABAR 81 • Modbus and Levelmaster protocol
46304-EN-131125
Terminal Function Polarity
1 Voltage supply +
2 Voltage supply -
3 Modbus-Signal D0 +
4 Modbus-Signal D1 -
5 Function ground with installa-
tion according to CSA