Diagnostics with the info data

For all Predefined PDOs, info data can be mapped to the standard PDOs via the selection “... with info data”.

Diagnostics with the info data 1:
Predefined PDOs “... with info data”

These info data are two input variables that can display different internal values from the terminal. Which data the info data display can be selected in CoE index 0x8002:11 (Select info data 1) and 0x8002:19 (Select info data 2). Various input values (supply voltage, supply current), output values (output voltage, output current) or internal terminal values (status word, internal temperature) can be selected.

Diagnostics with the info data 2:
CoE index 0x8002 “Select info data”

The values from the info data can then be used for diagnostics from the PLC, so that in various cases your own warning or error messages from the PLC are displayed, for example, in a visualization. However, the values from the info data can also be recorded and made visible for continuous visualization with the TwinCAT Scope. In this way, for example, the curve of output current and output voltage can be compared in different use cases.