Yaskawa iQpump1000 AC Drive Quick Start - Manual (Page 335)

u C3: Slip Compensation
No.
(Addr.
Hex)
Name LCD Display Description Values Page
C3-01
(020F) Slip Compensation Gain Slip Comp
Sets the gain for the motor slip compensation function used for
motor 1.
Default: 0.0 (V/
f)
1.0 (OLV)
Min.: 0.0
Max.: 2.5
–
C3-02
(0210)
Slip Compensation
Primary Delay Time
Slip Comp Time
Adjusts the slip compensation function delay time used for
motor 1.
Default: 2000 ms
(V/f)
200 ms (OLV)
Min.: 0
Max.: 10000
–
C3-03
(0211)
Slip Compensation
Limit
Slip Comp Limit
Sets an upper limit for the slip compensation function as a
percentage of motor rated slip for motor 1 (E2-02).
Default: 200%
Min.: 0
Max.: 250
–
C3-04
(0212)
Slip Compensation
Selection during
Regeneration
Slip Comp Regen
0: Disabled
1: Above 6 Hz
2: Lowst possbl spd
0: Disabled.
1: Enabled above 6 Hz
2: Enabled whenever slip compensation is possible.
Default: 0
Range: 0 to 2
–
C3-05
(0213)
Output Voltage Limit
Operation Selection
Output V Lim Sel
0: Disabled
1. Enabled
OLV OLV OLV OLV
0: Disabled.
1: Enabled. Automatically decreases motor flux when output
voltage saturation is reached.
Default: 0
Range: 0, 1
–
C3-16
(0261)
Output Voltage Limit
Operation Start Level
(Percentage
Modulation)
Output V Lim Sta
Sets the output voltage limit operation start level (percentage
modulation) when C3-05 is enabled.
Note: This parameter is only available in models
4A0930 and 4A1200.
Default: 85.0%
Min.: 70.0
Max.: 90.0
–
C3-17
(0262)
Maximum Output
Voltage Limit Level
(Percentage
Modulation)
Output V Lim Max
Sets the output voltage limit operation determined by C3-18
(percentage modulation) when C3-05 is enabled.
Note: This parameter is only available in models
4A0930 and 4A1200.
Default: 90.0%
Min.: 85.0
Max.: 100.0
–
C3-18
(0263)
Output Voltage Limit
Level
Output V Lim lev
Sets the maximum percentage of output voltage reduction when
C3-05 is enabled.
Note: This parameter is only available in models
4A0930 and 4A1200.
Default: 90.0%
Min.: 30.0
Max.: 100.0
–
u C4: Torque Compensation
No.
(Addr.
Hex)
Name LCD Display Description Values Page
C4-01
(0215)
Torque Compensation
Gain
Torq Comp 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
–
C4-02
(0216)
Torque Compensation
Primary Delay Time 1
Torq Comp Time
Sets the torque compensation filter time. Default: 200 ms
(V/f)
20 ms (OLV)
Min.: 0
Max.: 60000
–
C4-03
(0217)
Torque Compensation
at Forward Start
F TorqCmp@start
OLV OLV OLV OLV
Sets torque compensation at forward start as a percentage of
motor torque.
Default: 0.0%
Min.: 0.0
Max.: 200.0
–
C4-04
(0218)
Torque Compensation
at Reverse Start
R TorqCmp@start
OLV OLV OLV OLV
Sets torque compensation at reverse start as a percentage of
motor torque.
Default: 0.0%
Min.: -200.0
Max.: 0.0
–
C4-05
(0219)
Torque Compensation
Time Constant
TorqCmp Delay T
OLV OLV OLV OLV
Sets the time constant for torque compensation at forward start
and reverse start (C4-03 and C4-04).
Default: 10 ms
Min.: 0
Max.: 200
–
B.3 C: Tuning
YASKAWA TOEP YAIP1W 01B YASKAWA AC Drive - iQpump1000 Quick Start Guide 335
B
Parameter List