A %PLC_FAULT diagnostic point directly accesses the PLC Fault Table. The PLC Fault Table can contain up to 16 faults and each fault can contain up to 42 bytes of information.
The following formats can be used when accessing the PLC Fault Table:
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%PLC_FAULT |
Delivers a start address starting at the beginning of the fault table, including the header information, which can be up to 12 bytes of information. |
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%PLC_FAULT.<Fault Number> |
Delivers a start address at the beginning of a specific fault (i.e. no header), where <Fault Number> is a number between 1 and 16. |
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Series 90 TCP/IP Triplex diagnostic points. |
