Execute Testrun; Clear Error - Danfoss VLT5000 SyncPos Operating Instructions Manual

■ ■ ■ ■ ■ "EXECUTE TESTRUN"
Before starting a testrun: Safety notes
Move the drive to the starting position, it is important
to do this before you open the test window.
NB!
While optimizing the controller with the
function "TESTRUN" the drive is automatically
returned to the starting position after reaching the
target position.
If run in reverse is not allowed, then the REVERS
(63) parameter must be set to "no reversing = 2".
Click on "CONTROLLER" → → → → → "PARAMETERS" → → → → →
"AXIS" and change the setting in the parameter
group P P P P P I I I I I D Controller D Controller D Controller. D Controller D Controller
NB!
Make sure that any and all brakes are relea-
sed and that there are not any obstacles in
the positioning path.
NB!
Improperly adjusted control parameters
can cause the motor and the mechanism
to be damaged. For this reason never optimize
controls without having an EMERGENCY STOP
button.
Starting the Testrun
Click on "TESTRUN" → "EXECUTE TESTRUN" and
the dialog field with the test run parameters is
opened. The test run parameters last saved and the
current axis parameters are already entered here:
Begin the test series with 'stable' control parameters:
If the standard set control parameters cause the
drive to vibrate heavily in the starting position, select
Proportional Proportional
a low Proportional Proportional Proportional and Derivative factor
and set the integral factor to zero. Then, starting from
these values, optimize the controller.
66
Derivative factor Derivative factor
Derivative factor Derivative factor (ca. 20)
Programmable SyncPos motion controller
If it is at all possible you should optimize the control-
ler first with the motor and the drive until the rea-
dings are no longer in the critical range. Then con-
nect the mechanical load and complete the fine
optimization.
Click on "START": The test run is executed, the
current position values, etc. are saved and, at the
end of the test run, transferred to the computer for
evaluation.
NB!
Observe the behavior and temperature of the
motor: if there are strong vibrations or an
excessive increase in the motor temperature the
motion process must be aborted prematurely with
the EMERGENCY STOP button and different control
parameters must be selected.
After making an EMERGENCY STOP you must move
the drive back to the starting position before making
another test run. Reduce the proportional factor, and
if necessary also the derivative factor, before starting
the next test run or measurement.
After the measurement is complete all measure-
ment data is automatically transferred to the com-
puter and, during this process, the drive returns to
the starting position at a reduced velocity. The
figures are plotted automatically.
The dialog field for the test run parameters is
opened with "REPEAT".

"CLEAR ERROR"

Pressing this button will clear any currently pending
error conditions in the motor controller.
If there are pending error conditions, then the
"START" button will be grayed and a Testrun cannot
be started.
Saving and loading test run parameters
Click on "SAVE", to save the test run parameters in
the VLT. If, during additional test runs, you receive
poorer control results then you can "LOAD" the
parameters previously used again.
MG. 1 0.J8.02 – VLT is a registered Danfoss trade mark