Planning/configuring
3.3 Configuring RD500 to Read MODBUS Registers from MultiRanger
3.3
Configuring RD500 to Read MODBUS Registers from MultiRanger
1. Click on I/O > MODBUS: you should see the screen below.
2. In the RS485 Port section, set the Baud Rate to 19200, as shown above.
3. Click on the checkbox to enable a MODBUS device, and then enter a Name, e.g. MultiRanger
100. Set Node to 1 and click on Apply. (Another MODBUS device entry will appear below
the first one.)
– Be sure all serial communication settings are the same on both the RD500 and the
– Parameter P772 controls the baud rate of the MultiRanger. Be sure to select Port 2 for
4. Click on Configure to open the device node page for the MultiRanger, shown below.
8
MultiRanger (Baud, data bits, stop bits and parity).
RS485.
Configuring SITRANS RD500 for connection to MultiRanger with MODBUS RTU
Application examples, 09/2020, AG111710