311
Parameter Description
Parameter Description
5.53 Backlash Compensation Function (P.229~P.233) V/F
P.229 “Backlash compensation function selection”
P.230 “The backlash acceleration stopping frequency”
P.231 “The backlash acceleration stopping time”
P.232 “The backlash deceleration stopping frequency”
P.233 “The backlash deceleration stopping time”
Parameter Factory Setting Setting Range Remarks
0 The function is invalid.
229 0 0~1
1
The backlash compensation function
is selsectd.
--- zH056~0 zH1 032
--- s063~0 s5.0 132
--- zH056~0 zH1 232
--- s063~0 s5.0 332
Backlash countermeasures
What is the Backlash compensation?
Reduction gears have an engagement gap and have a dead zone between forward rotation and
reverse rotation. This dead zone is called backlash, and this gap disables the mechanical system
from following motor rotation.
More specifically, a motor shaft develops excessive torque when the direction of rotation changes
or when constant-speed operation shifts to deceleration, resulting in a sudden motor current
increase or regenerative status.
To avoid backlash, temporarily stop the acceleration/deceleration. Set the acceleration/deceleration
stopping frequency and time in P.229 to P.233.
Note: When setting up backlash compensation, acceleration /deceleration time only in part time longer.
Backlash compensation function
Outpot
frequency
P.13
P.231
P.230
P.23
2
P.233
time
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