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After the completion of the Speed self tune
by the Drive, the new identified parameter values (“Nw” suffix) can
be compared with values prior to the procedure, by browsing the subsequent menu entries. Parameters in this
menu are read only. Editing of individual parameters must be done in their specific menus.
New parameters can be accepted all togetheter by entering “
Take val
” after disabling the Drive. In this case,
prior values are overwritten. “
Self tuning
” can be repeated, whether values from the previous trial have been
accepted or not.
n
ote
!
“
Take val
” does not store values in non-volatile memory, so values are lost if Drive power
is cycled off and on. You need to enter
Save parameters
in the START UP or SPEC FUNC
-
TIONS menu to permanently store values in non-volatile memory.
In case of extreme parameter ranges, error messages can occurr. Repeat execution in this case. If the error mes
-
sage is persistent, keep default values and use manual tuning of speed regulator (section 5.3.6 Manual tuning
of the regulators).
List of self tune error messages
Generic messages
Description
Note
“Drive disabled”:
Provide enable input by setting terminal 12 high.
“Not ready”:
“
Take val
” can not be executed because the measurement has not been completed cor
-
rectly. Repeat self tune command.
“Time out”:
Measurement has not been completed in the proper time
“Start ?”:
Press E to confirm start of measurement.
“Tuning aborted”:
Measurement aborted by user (CANC button has been pressed).
“Set Main cmd=Dig”:
Go to CONFIGURATION menu and set
Main commands
= digital.
“Set Ctrl=Local”:
Go to CONFIGURATION menu and set
Control mode
= Local.
Measurement error messages
These messages may occour when extreme parameter values have to be identified. It can be useful to retry the
self tune command when any of the following messages occours. If messages persist, alternative manual tuning
procedures should be used.
Description
Note
“Over speed”
“Drive stalled”:
Increase value of parameter
Test T curr lim
and repeat
Self tuning
“Load applied”:
Nominal zero load torque at standstill was detected.
Self tuning
is impossible for this
type of load.
“T curr too high”:
Reduce value of
Test T curr lim
parameter for
Self tuning
“Friction null”:
Value of friction is zero or lower than the accuracy limit of the control system
Содержание TPD32-EV-...-2B
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