Parameter Description Default Suggested Adjustments
H64 Zero speed control time 0,8 0,8
Set value between 0,7
and 0,8 then increase to
soften start phase ramp
Important: In “Positioning”
Menu :
Delay DIR-BRK <= 0,2 s
Delay BRK-S > H64
L68
RBC Proportional Gain (P constant)
(specifies the P constant of the Automatic Speed
Regulator to be used during RBC calculation time)
1,8 10
Motor overshoots:
increase value by 0,25
Vibrations: decrease
value by 0,25
L69
RBC Integral Time (I constant)
(specifies the I constant of the Automatic Speed
Regulator to be used during RBC calculation time)
0,003 s 0,010 s
Motor overshoots:
decrease value by 0,001
Vibrations: increase value
by 0,001
L73
Unbalanced load compensation
(specifies the I constant of the Automatic Position
Regulator to be used during RBC calculation time)
0,5 0
Motor overshoots:
increase value by 0,50
Vibrations: decrease
value by 0,50
L82
ON delay time
(specifies the delay time during which the inverter
main circuit is kept activated)
0,2 s 0,2 s
Larger Brakes: decrease
value by 0,1
Smaller brakes: increase
value by 0,1
Notes: L65 specifies whether to enable or disable the unbalanced load compensation (Rollback control). By default, it
is set to 1 (Rollback control active). Speed is kept at zero when brakes are released to avoid rollback effect.
High speed “P” gains and “I” time constants are used by the Auto Speed Regulator (ASR) of the inverter during high
speed lift travel. These constants can be adjusted as follows:
Parameter Description Default Suggested Adjustments
Gearless Geared
L24 “S” Curve setting 6 25$ 25% Speed fluctuations: increase value by 5
L36 “P” Gain constant at high speed 2 10
Speed fluctuations increase value by 0,25
Vibrations: decrease value by 0,25
L37 “I” Time I constant at high speed 0,100 s 0,100 s
Speed fluctuations decrease 0,01
Vibrations: increase value by 0,01
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