VEGA VEGABAR 81 Modbus and Levelmaster protocol - Operating Instructions - Manual (Page 43)

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7 Setting up sensor and Modbus interface with PACTware
VEGABAR 81 • Modbus and Levelmaster protocol
46293-EN-131107
1
Fig. 27: Connecting the PC via USB to the Modbus electronics
1 USB cable to the PC
The connection of the PC to the RS 485 cable is carried out via a
standard interface adapter RS 485/USB.
Scope of the parameter adjustment:
•
Sensor electronics
•
Modbus electronics
Information:
For the parameter adjustment it is absolutely necessary to separate
the connection to the RTU.
RS485
USB
1
2
3
4
5
Fig. 28: Connection of the PC via the interface adapter to the RS 485 cable
1 Interface adapter RS 485/USB
2 USB cable to the PC
3 RS 485 cable
4 Sensor
5 Voltage supply
7.2 Parameter adjustment
For parameter adjustment of the sensor via a Windows PC, the con-
figuration software PACTware and a suitable instrument driver (DTM)
according to FDT standard are required. The up-to-date PACTware
version as well as all available DTMs are compiled in a DTM Collec-
tion. The DTMs can also be integrated into other frame applications
according to FDT standard.
To the RS 485 cable
Prerequisites