Using CitectSCADA > Communicating with I/O Devices > Troubleshooting Device Communications > Test setup
Test setup
  1. Do not configure any other protocols. Temporarily delete other boards and units while performing this test.
  2. Configure a unit for each port to be tested. Make the I/O Devices form look as follows:
  3. The following Citect.ini options are supported:
  4. Start up CitectSCADA. Each port will transmit a frame of random length. This process is repeated when the entire frame is received.
  5. Open the kernel, type "page driver" and press Enter. Type V to set the display mode to 'verbose'. The following statistics appear: