How to read diagnostic information in Proworx Nxt.
Diagnostic information can be read by configuring STAT instruction in Proworx Nxt.
The STAT instruction accesses a specified number of words in a status table in the PLC’s system memory. Here vital diagnostic information regarding the health of the PLC and its remote I/O drops is posted.
This information includes:
Possible error conditions in the I/O modules
Input-to-PLC-to-output communication status
Refer the attached document for various word table and its description.