M200D PROFIBUS/PROFINET
Manual, 08/2014, A5E01577426A/RS-AA/004
139
The M200D motor starter has the following diagnostics modes:
● Diagnostics with LED (Page 140)
● Diagnostics as device diagnostics
● Diagnostics via system diagnostics
The structure of system diagnostics is manufacturer-independent (PROFIBUS standard
diagnostics).
The contents of individual bytes, however, are defined by the manufacturer.
● Diagnostics via data sets
Diagnostics can be read out from data sets regardless of the system diagnostics.
Actions after a diagnostics message
Each diagnostic message triggers the following actions:
● The SF LED (red) of the I/O device lights up.
● Several simultaneous diagnostic messages are possible.
● Diagnostics data is reported as diagnostics interrupts and can be read from data sets (if
group diagnostics are enabled).
● Diagnostics messages are saved to the diagnostics buffer of the I/O controller.
● OB 82 is called. If OB 82 is not available, the I/O controller switches to the STOP
operating state.
● Acknowledgment of the diagnostics interrupt to enable new interrupts.
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