Festo CMMT-ST-SW, Original Instructions Manual

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Classification (level) Severity Reactions
– The output stage is switched off immediately
after the error has occurred. The brake is
engaged on drives with a brake. The drive
runs down if there is no brake.
Tab. 418 Error level, stop category 0
9.3 Diagnostic status
The device determines the diagnostic status from the severity of the active messages. The diagnostic
status is a bit mask that represents the severity of all of the triggered messages in the device. The fol-
lowing can be determined by requesting the diagnostic status:
–
If active messages are pending (diagnostic status parameter
>
0)
– If errors are pending (diagnostic status parameter
³
64)
– level of severity (e. g. diagnostic status
³
4096 corresponds to stop category 0)
Diagnostic status
Bit Value Description Priority
1 2 1 = Ignore Lowest
2 4 1 = Information
4 16 1 = Warning
Error limit
6 64 1 = Error stop category 2
8 256 1 = Error stop category 1
…
12 4096 1 = Error stop category 0 Highest
Tab. 419 Diagnostic status
The diagnostic status parameter can be requested via the device profile of the fieldbus being used.
Parameters and diagnostic messages
ID Px. Parameters Description
Diagnostic status of the device
Access read/−
Update effective immediately
300 Diagnostic device
status
Unit −
Diagnostics and fault clearance
434 Festo — CMMT-ST-SW — 2019-02