(IF REQUIRED) CONFIGURE A MODBUS CONNECTION
Modbus connections can be made directly to Modbus IP devices on an RTU trunk connected to the CBXi,
or over IP to RTU devices attached to a separate router.
Note: A CBXi cannot have both BACnet MS/TP trunk and a Modbus RTU trunk simultaneously, but a CBXi
controller that has an MS/TP subnet can read and write points to Modbus devices over IP.
Configuring a Modbus RTU connection
If a Modbus connection is to be through the Modbus RTU port (RS485 Port 1),
In the controllers’ Web UI > RS 485 Port > Configuration page, set Protocol to Controller Modbus:
In CXproᴴᴰ, open the Strategy drawing for the CBXi.
With the Strategy open, right-click on the CBXi in the Site Tree, and select Configure Modbus Devices to open
the Modbus Configuration dialog:
To Next Page
Loading...
Need help?
General
