Diag-Messages

The terminal provides the following diagnostic messages, they belong together in pairs:

Diag-Code

Meaning

TwinCAT Message

Troubleshooting

#x4101

Terminal-Overtemperature

Terminal-Overtemperature

Device is too warm internally, but continues to work, ensure cooling

#x170E

No overtemperature anymore

No overtemperature anymore

-

#x8601

Supply voltage too low

Supply voltage too low

Check voltage of power contacts Up

#x1180

Supply voltage ok

Supply voltage ok

-

Diag-Messages 1:Fig.78: Display in TwinCAT 3.1

The 0x1A60 DEV Inputs Device object can be added to the process data via the process data. This contains the Diag bit, which indicates that a new message is available in the Diag messages, which can then be read out accordingly.