5 System Commissioning
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168
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1) Riding comfort adjustment at elevator startup and stop
Related parameters:
Function Code Parameter Name Setting Range Default
F2-00 Speed loop proportional gain 1 0 to 100 40
F2-01 Speed loop integral time 1 0.01 to 10.00s 0.60s
F2-03 Speed loop proportional gain 2 0 to 100 35
F2-04 Speed loop integral time 2 0.01 to 10.00s 0.80s
a) Adjustment to abnormal motor startup
F2-00, F2-01, F2-03 and F2-04 are used to adjust the speed dynamic response charac-
teristics of the motor.
To achieve a faster system response, increase the proportional gain and reduce the
integral time. However, too large proportional gain or too small integral time may lead
to system oscillation.
Decreasing the proportional gain and increasing the integral time will slow the dy-
namic response of the motor. However, too small proportional gain or too large inte-
gral time may cause motor speed tracking abnormality, resulting in fault E33 or unsta-
ble leveling at stop.
The default setting is proper for most large-power motors, and you need not modify
these parameters. These parameters need to be adjusted only for small-power motors
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lows:
does not oscillate,
and then reduce the integral time (between 0.1 and 0.8) to ensure that the system has
quick response but small overshoot.
b) Adjustment to elevator startup
■
Adjustment for no-load-cell startup
The parameter setting related to rollback at elevator startup and stop is described in
the following table.
Function
Code
Name Setting Range Default Description
F8-01
Pre-torque
selection
0: Pre-torque invalid
1:Load cell pre-torque
compensation
2:Automatic pre-torque
compensation
3: Load cell pre-torque and
automatic compensation
2
The no-load-cell startup
function is enabled when
F8-01 is set to 2.
2: Pre-torque automatic
compensation
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