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YASKAWA
SIEPC71061723A YASKAWA AC Drive CR700 Technical Manual
Figure 11.39 Proportional Gain via Multi-function Digital Input Switch
■
Speed Waveform Monitoring Method
To make fine adjustments of ASR parameters, observe speed waveforms while making adjustments. The
following table lists example settings of parameters used to observe speed waveforms.
Table 11.13 Example Settings of Multi-function Analog Output Terminals Used to Monitor Speed Waveforms
No.
Name
Setting Value
Description
H4-01
Terminal FM Analog Output Select
116
This setting enables use of the terminal FM
to monitor
U1-16 [Output Freq afterSFS]
.
H4-02
Terminal FM Analog Output Gain
100.0%
H4-03
Terminal FM Analog Output Bias
0.0%
H4-04
Terminal AM Analog Output Select
105
This setting enables use of the terminal
AM to monitor
U1-05 [Motor Speed]
.
H4-05
Terminal AM Analog Output Gain
50.0%
H4-06
Terminal AM Analog Output Bias
0.0%
H4-07
Terminal FM Signal Level Select
1
This setting enables monitoring within a
range of -10 to +10 V.
H4-08
Terminal AM Signal Level Select
1
These settings result in the following multi-function analog output configuration. The multi-function analog
output common is the terminal AC.
•
Terminal FM: Outputs the output frequency after SFS within a range of -10 to +10 V (-100 to +10).
•
Terminal AM: Outputs the motor speed within a range of -10 to +10 V (-200 to +200).
Yaskawa recommends monitoring both the output frequency after SFS and the motor speed to observe any delay
in response and differences in reference values.
■
Adjusting the ASR Parameters
Use the following table when making adjustments to ASR. The table lists parameters for motor 1. Though the
parameters listed below are for motor 1, the same changes can be made to the corresponding motor 2 parameters
when running a second motor.
Note:
When adjusting the proportional gain and integral time, adjust the proportional gain first.
Problem
Solution
Speed response is slow.
•
Increase
C5-01/C5-03 [ASR Proportional Gain]
.
•
Decrease
C5-02/C5-04 [ASR Integral Time]
.
Overshoot or undershoot occurs at the end of acceleration
or deceleration.
•
Decrease
C5-01/C5-03
.
•
Increase
C5-02/C5-04
.
Содержание CR700
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