Individual Functions
6-133
High-speed Gain Adjustments (C5-01, C5-02)
Adjust these parameters at normal operating speed. Increase C5-01 (ASR proportional gain 1) until there is no
oscillation. Decrease C5-02 (ASR integral time 1) until there is no oscillation. Refer to Fine Adjustments on
page 6 - 131 for details on making fine adjustments of high-speed operation.
ASR Proportional Gain Switch Setting
When one of the multi-function inputs (H1-01 to H1-10) is set to 77, the input can be used to switch between
C5-01 (proportional gain 1) and C5-03 (proportional gain 2). Proportional gain 2 is used when the multi-func-
tion input is ON. This input has higher priority than the ASR switching frequency set in C5-07.
Fig 6.71 ASR Proportional Gain Switch
Gain Adjustment for Speed Control during V/f Control with PG
When using V/f control with PG, set the proportional gain (P) and the integral time (I) at E1-09 (minimum out-
put frequency) and E1-04 (maximum output frequency). Fig 6.72 Speed Control Gain Integral Time Adjust-
ment for V/f Control with PG shows how the proportional gain and integral time change in linear fashion based
on the speed.
Fig 6.72 Speed Control Gain Integral Time Adjustment for V/f Control with PG
ASR Gain Switch signal
(a multi-function input)
C5-02
C5-02
OFF
ON
C5-03 gain setting
Proportional gain (P)
Proportional gain
determined
by motor speed.
The gain is changed linearly in integral time 1 (C5-02).
P and I setting
Motor speed (Hz)
E1-04
Max. output frequency
0
P = C5-03
I = C5-04
P = C5-01
I = C5-02
E1-09
Min. output frequency
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