
(A) Application parameters
471
5
GROUP
A
5.14.8
Anti-sway control
Anti-sway control operation (Pr.1073)
• Setting
Pr.1073 Anti-sway control operation selection
= "1" enables anti-sway control. (Anti-sway control is not available
under zero speed or servo lock control.)
• During operation under anti-sway control, the travel distance becomes longer. Input a stop command earlier to avoid a
collision with an obstacle.
• A deceleration to stop without anti-sway control is applied for stopping as a result of PU stop, an emergency stop command
input from a communication option,
Pr.875 Fault definition
, or an emergency stop input (X92 signal).
NOTE
• Under torque control or position control, the anti-sway control is disabled.
• During operation of the power failure time deceleration-to-stop function, or when the automatic restart after instantaneous
power failure is enabled (
Pr.57
"9999"), the anti-sway control is disabled.
When an object is moved by a gantry crane, swinging is suppressed on the crane's traveling axis.
Pr.
Name
Initial
value
Setting
range
Description
1072
A310
DC brake judgment time
for anti-sway control
operation
3 s
0 to 10 s
Set the waiting time to start the DC injection brake (zero
speed control, servo lock) after the output frequency reaches
the
Pr.10 DC injection brake operation frequency
or
lower.
1073
A311
Anti-sway control
operation selection
0
0
Anti-sway control disabled
1
Anti-sway control enabled
1074
A312
Anti-sway control
frequency
1 Hz
0.05 to 3 Hz
Sets the swinging frequency of the load.
9999
A swinging frequency is estimated based on the
Pr.1077
to
Pr.1079
settings, and anti-sway control is performed.
1075
A313
Anti-sway control depth
0
0 to 3
0 (Deep)
3 (Shallow)
1076
A314
Anti-sway control width
0
0 to 3
0 (Narrow)
3 (Wide)
1077
A315
Rope length
1 m
0.1 to 50 m
Set the rope length of the crane.
1078
A316
Trolley weight
1 kg
1 to 50000 kg
Set the weight of the trolley.
1079
A317
Load weight
1 kg
1 to 50000 kg
Set the weight of the load.
Frequency command
Frequency
Time
Frequency command of anti-sway control
ON
RL
ON
RM
ON
STF
Содержание 800 Series
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