319
PARAMETER
2
P
ARAM
ETE
R
(1) Position control is not performed correctly
Motor or machine is
hunting.
Y
N
[
Pr. 422 Position loop
gain
] is high.
Decrease
[
Pr. 422 Position loop
gain
]
.
Set the electronic gear.
([
Pr. 420, 421
])
N
Have you made
the electronic gear
setting?
Y
Y
N
Perform easy gain tuning.
The speed control gain is high.
Decrease [
Pr. 820 Speed control
P gain 1
].
Increase [
Pr. 821 Speed control
integral time 1
].
Machine operation is
unstable.
Y
N
Do not turn OFF the forward
(reverse) rotation stroke end
signal before completion of
positioning.
Y
The forward (reverse)
rotation stroke end signal has
turned OFF before completion
of positioning.
N
Y
Position shift occurs.
N
Insufficient torque.
Increase [
Pr. 854
Excitation ratio
].
Check the speed
control measures.
N
Y
Position control is not
performed correctly
Have you checked
the speed control items?
Please contact your sales
representative.
Speed command under
position control is affected by
the speed control.
Summary of Contents for FR-A700 Series
Page 245: ...279 2 PARAMETER PARAMETER MEMO ...
Page 440: ...474 PARAMETER MEMO ...
Page 522: ...556 SELECTION MEMO ...
