Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 200)

7-8 Troubleshooting
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
39 OPT Close The adapter forced a fault condition on the I/O option of the DPI External Comms Kit.
40 OPT Timeout Communication between the adapter and I/O option of the DPI External Comms Kit was disrupted.
41 CN Link Up The adapter successfully joined the ControlNet network.
42 CN Link Down The adapter lost its connection to the ControlNet network.
43 Dup CN Addr The adapter detected a duplicate ControlNet node address.
Table 7.B Adapter Events (Continued)
Code Event Description