Diagnostics
11-13
FM 351 Positioning Module
C79000-G7076-C351-02
Evaluation of a Diagnostic Interrupt in the User Program
The FM 351 sets the following entries in the local data of the diagnostic interrupt
OB (OB82). The errors are also entered in the diagnostic buffer
(error class 128, for the meaning and possible remedies, refer to Appendix C.5):
Address Name Type Comment
0.0 OB82_EV_CLASS BYTE Event class and IDs:
B#16#38: Event leaving state
B#16#39: Event entering state
1.0 OB82_FLT_ID BYTE Error code (B#16#42)
2.0 OB82_PRIORITY BYTE Priority class:
B#16#1A in the RUN mode
B#16#1C in the STARTUP mode
3.0 OB82_OB_NUMBR BYTE OB number (82)
4.0 OB82_RESERVED_1 BYTE Reserved
5.0 OB82_IO_FLAG BYTE Input module: B#16#54
6.0 OB82_MDL_ADDR INT Logical base address of the module on
which the error occurred
8.0 OB82_MDL_DEFECT BOOL Module fault
8.1 OB82_INT_FAULT BOOL Internal error
8.2 OB82_EXT_FAULT BOOL External error
8.3 OB82_PNT_INFO BOOL Channel error
8.4 OB82_EXT_VOLTAGE BOOL External auxiliary voltage missing
... Not used
10.3 OB82_WTCH_DOG_FLT BOOL Watchdog monitoring has responded
... Not used
12.0 OB82_DATE_TIME DATE_AND_TIME Date and time at which the OB was
called
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