A
Diagnostic messages
Festo – GDCP-CMMP-M3-FW-EN – 1203NH
111
Diagnostic messages of the CMMP-AS-...-M3
No.
Reaction
Actions
Causes
Message
Code
34-1
8781
h
Field bus syn-
chronization error
–
Synchronisation via
fieldbus messages
during ongoing opera-
tion (interpolated pos-
ition mode) has failed.
–
Synchronisation mes-
sages from master
failed?
–
Synchronisation inter-
val (IPO interval) set
too small/too large?
•
Check the settings for
the controller cycle
times.
Config-
urable
35-5
–
Error during the
determination of
the commutation
position
The rotor position could
not be identified clearly.
–
The selected method
may be inappropriate.
–
The selected motor
current for the identi-
fication may not be
set appropriately.
Check the method for
determining the
commutation position.
Footnote
7)
Config-
urable
7)
Instructions for determining the commutation position:
a)
The alignment procedure is inappropriate for locked or sluggish drives or drives that can oscillate at low frequencies.
b)
The micro-step procedure is appropriate for non-ferrous and iron-core motors. As only very small movements are carried out,
it works even when the drive is on elastic stops or is locked but can still be moved elastically to some extent. Due to the high
excitation frequency, however, the method is very susceptible to oscillations in the case of poorly damped drives. In this case,
you can attempt to reduce the excitation current (%).
c) The saturation procedure uses local saturation appearances in the iron of the motor. Recommended for locked drives. Air-core
drives are by definition not suitable for this method. If the (iron-core) drive moves too much when locating the commutation
position, the measurement result may be adulterated. If this is the case, reduce the excitation current. In the opposite case, if
the drive does not move, the excitation current may not be strong enough, causing the saturation to be insufficient.
Содержание CMMP-AS-***-M3 Series
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