Там же описания ErrorId, InfoId, InfoText

"Error Id" The error Id, if an operation failed

"Info Id" An unique Id per component, that can be used to specify a longer
test for the log entry in the target description of CODESYS. This is
used to save resources in the runtime system to store the log entries

'Info string" - Info string with optional and variable information, e.g. application
names or task names