C: tuning, C1: acceleration and deceleration times, C2: s-curve characteristics – Yaskawa AC Drive P1000 Bypass Technical Manual User Manual
Page 242: C4: torque compensation, C6: carrier frequency, B.4 c: tuning

B.4 C: Tuning
C parameters are used to adjust the acceleration and deceleration times and carrier frequency selections.
u
C1: Acceleration and Deceleration Times
No.
(Addr.
Hex)
Name
Description
Values
Page
C1-01
(200)
Acceleration Time 1
Sets the time to accelerate from 0 to maximum frequency.
Default: 10.0 s
Min.: 0.0
Max.: 6000.0
C1-02
(201)
Deceleration Time 1
Sets the time to decelerate from maximum frequency to 0.
C1-09
(208)
Fast Stop Time
Sets the time for the Fast Stop function.
Default: 10.0 s
Min.: 0.0
Max.: 6000.0
u
C2: S-Curve Characteristics
No.
(Addr.
Hex)
Name
Description
Values
Page
C2-01
(20B)
S-Curve Characteristic at
Accel Start
The S-curve can be controlled at the four points shown below.
Run Command
Time
Output Frequency
C2-01
0.20 s <1>
C2-02
0.20 s <1>
ON
OFF
Default: 0.20 s
Min.: 0.00
Max.: 10.00
C2-02
(20C)
S-Curve Characteristic at
Accel End
Default: 0.20 s
Min.: 0.00
Max.: 10.00
<1> S-curve characteristics at decel start/end are fixed to 0.20 s.
u
C4: Torque Compensation
No.
(Addr.
Hex)
Name
Description
Values
Page
C4-01
(215)
Torque Compensation Gain
Sets the gain for the automatic torque (voltage) boost function and helps to
produce better starting torque. Used for motor 1.
Default: 1.00
Min.: 0.00
Max.: 2.50
u
C6: Carrier Frequency
No.
(Addr.
Hex)
Name
Description
Values
Page
C6-02
(224)
Carrier Frequency Selection
1: 2.0 kHz
2: 5.0 kHz
3: 8.0 kHz
4: 10.0 kHz
5: 12.5 kHz
6: 15.0 kHz (12.0 kHz)
7: Swing PWM1 (Audible sound 1)
8: Swing PWM2 (Audible sound 2)
9: Swing PWM3 (Audible sound 3)
A: Swing PWM4 (Audible sound 4)
Default: 7
Range: 1 to A
C6-05
(227)
Carrier Frequency
Proportional Gain
Determines the proportional gain for the carrier frequency.
Default:
<1>
Min.: 0
Max.: 99
<1> Default setting value is dependent on parameter C6-02, Carrier Frequency Selection.
B.4 C: Tuning
242
YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual