4. Faults and diagnostics
4−5
Festo P.BE−CPX−CMA X−CONTROL−EN en 0908NH
Acknowledging faults Indicated faults need to be acknowledged with CCON.RESET.
It may be necessary to eliminate the cause of the fault first.
1. Positive edge on CCON.RESET.
2. Wait 3 s (depending on the fault, the CMAX requires at the
most 3 seconds, e.g. to initialize the axis).
3. Check whether the fault has been eliminated:
if SCON.FAULT
= 0: ok
if SCON.FAULT = 1:
Check fault number, eliminate cause, if necessary, see
section 4.2.5.
The CMAX always tries to acknowledge all currently pending
faults. If several faults are active at the same time, the behav
iour depends on the most serious fault.
If there are several faults pending and one
fault can be de
leted after a reset, but not any others, one of the remaining
faults is indicated after the reset.
Warnings
Events and statuses that may impair operation are reported
as warnings. You will find a list of the warning messages in
section 4.2.5.
Response to a warning In the event of warnings, the CMAX does not have the Fault"
status, but remains Ready".
Warnings are indicated with SCON.WARN = 1. The sequence
control and
the axis are not affected.
Acknowledging warnings Depending on the warning, SCON.WARN = 0
as soon as the cause has been eliminated.
with positive edge on CCON.START or CCON.RESET (pro
vided the cause was eliminated).
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