YASKAWA E7U Programming Manual page 148

Parameter
Parameter Name
No.
Digital Operator Display
S-Curve Characteristic at
C2-01 Accel Start
SCrv Acc @ Start
S-Curve Characteristic at
C2-02 Accel End
SCrv Acc @ End
C4-01 Torque Compensation Gain
Torq Comp Gain
Torque Compensation
Primary Delay Time
C4-02
Torq Comp Time
Normal Duty Selection
C6-01
Normal Duty Sel
Carrier Frequency Selection
C6-02
CarrierFreq Sel
Carrier Frequency Upper
C6-03 Limit
CarrierFreq Max
Carrier Frequency Lower
C6-04 Limit
CarrierFreq Min
Carrier Frequency Propor-
C6-05 tional Gain
CarrierFreq Gain
d1-01 Frequency Reference 1
Reference 1
d1-02 Frequency Reference 2
Reference 2
d1-03 Frequency Reference 3
Reference 3
d1-04 Frequency Reference 4
Reference 4
d1-17 Jog Frequency Reference
Jog Reference
Denotes that parameter can be changed when the Drive is running.
Table A.1 Parameter List (Continued)
Description
S-Curve Acc/Dec
S-curve is used to further soften the starting ramp.
The longer the S-curve time, the softer the starting
ramp.
Run
command
ON
Output frequency
C2-02
C2-01
Torque Comp
This parameter helps to produce better starting torque. It
determines the amount of torque or voltage boost based upon
motor current and motor resistance.
This parameter adjusts a filter on the output of the torque
compensation function. Increase to add torque stability, decrease to
improve torque response.
Carrier Freq
1: Normal Duty 1
2: Normal Duty 2
Carrier frequency sets the number of pulses per second of the out-
put voltage waveform.
0: Low Noise (Carrier frequency is randomly moduled for lower
audible noise)
1: Fc = 2.0 kHz
2: Fc = 5.0 kHz
3: Fc = 8.0 kHz
4: Fc = 10.0 kHz
5: Fc = 12.5 kHz
6: Fc = 15.0 kHz
F: Program (Determined by the settings of C6-03 thru C6-05)
Maximum carrier frequency allowed when C6-02 = F.
Minimum carrier frequency allowed when C6-02 = F.
Sets the relationship of output frequency to carrier frequency when
C6-02 = F.
Preset Reference
Digital preset speed command 1. Used when b1-01 = 0 and when
in "hand" mode. Setting units are affected by o1-03.
Digital preset speed command 2. Selected via multi-function input
terminals. Setting units are affected by o1-03.
Digital preset speed command 3. Selected via multi-function input
terminals. Setting units are affected by o1-03.
Digital preset speed command 4. Selected via multi-function input
terminals. Setting units are affected by o1-03.
Speed command used when a jog is selected via multi-function
input terminals. Setting units are affected by o1-03.
Parameters A - 8
Setting
Range
0.00 to
2.50
OFF
0.00 to 2.50
Time
0.00 to 2.50
0 to 10000
1 or 2
0 to F
0.4 to 15.0
kHz
0.4 to 15.0
kHz
0 to 99
0.00 to
E1-04
Value
0.00 to
E1-04
Value
Factory Menu
Setting Location
0.20sec Programming
0.20sec Programming
1.00 Programming
200ms Programming
2 Programming
kVA
Programming
Dependent
kVA
Programming
Dependent
kVA
Programming
Dependent
0 Programming
0.00Hz Programming
0.00Hz Programming
0.00Hz Programming
0.00Hz Programming
6.00Hz Programming