Controllers Comm port has previously been used for Infinet and it is now required to change its operation to Modbus or another X Driver.
All CX controllers that support X Drivers
CX9200, CX9400, CX9900, CX9940, bCX1, NC2
When connected to a controller whose comm port is in infinet mode the mode can not be changed.
Delete any Infinet controllers under that comm port in the database
Go to offline editing, change the mode from Infinet to Autoset or Printer, apply the change.
Reload the controller.
You can now select X Driver mode and select the required X Driver file.