Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx - Manual (Page 180)

7-8 Troubleshooting
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
37 Language CRC Bad The language text memory segment is corrupt.
38 OPT Timeout Communication between the adapter and I/O option of the DPI External Comms Kit was disrupted.
39 OPT Open The adapter began exchanging I/O data with the I/O option of the DPI External Comms Kit.
40 OPT Close The adapter forced a fault condition on the I/O option of the DPI External Comms Kit.
Table 7.B Adapter Events (Continued)
Code Event Description