42
4: Through external terminal
Speed reference threshold
for position gain switchover
Position deviation threshold
for position gain switchover
Smoothing filter coefficient
for gain switchover
Position feedforward gain
(1) Set the proportional gain of the position loop regulator through P30.08 and P30.09. The higher the gain, the less
the position lag. But, too large gain will cause oscillation. The lower the gain, the slower the position tracking.
Generally, increase the position gain appropriately on the basis that no oscillation is produced.
(2) When the position deviation is larger than the deviation threshold for position gain switchover (P30.13), the
position gain will be automatically switched from position loop gain 1 (P30.08) to position loop gain 2 (P30.09) after
the smoothing filter coefficient for gain switchover (P30.14),.
(3) Large feedforward in position control gives rise to little position deviation and improved performance, but too
large amount of feedforward will cause speed overshoot and loud running noise.
Spindle/Positioning homing
Spindle positioning
selection
Ones: Positioning mode selection
0: Carry
1: Indexing
Tens: Digital carry selection
0: Single-point carry
1: Multi-point carry
Hundreds: Single-point carry mode
0: Single-point one time of positioning
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