Yaskawa iQpump Controller Programming Manual - Manual (Page 54)

54 YASKAWA TM.iQp.07 iQpump Controller Programming Manual
◆ E1-11 Mid Output Frequency B
Setting Range: 0.0 ~ 120.0 Hz
Factory Default: 0.0 Hz
Refer to parameter E1-11 in Appendix A for description details.
◆ E1-12 Mid Output Voltage B
Setting Ranges: 0.0 ~ 255.0 V (240 V Models)
0.0 ~ 510.0 V (480 V Models)
Factory Defaults: 0.0 V (240 V Models)
0.0 V (480 V Models)
Top set up custom V/f pattern, program the points shown in the diagram below using parameters E1-04 through E1-13. Be sure that the
following condition is true:
E1-09
≤ E1-07 ≤ E1-06 ≤ E1-11 ≤ E1-04
◆ E1-13 Base Voltage
Setting Ranges: 0.0 ~ 255.0 V (240 V Models)
0.0 ~ 510.0 V (480 V Models)
Factory Defaults: 0.0 V (240 V Models)
0.0 V (480 V Models)
To set up a custom V/f pattern, program the points shown in the diagram below using parameters E1-04 through E1-13. Be sure that the
following condition is true:
E1-09
≤ E1-07 ≤ E1-06 ≤ E1-11 ≤ E1-04
Figure 1.38
Figure 38. Custom V/f Pattern Programming Curve
Increasing the voltage in the V/f pattern increases the available motor torque. However, when setting a custom V/f pattern, increase the
voltage gradually while monitoring the motor current, to prevent:
• Drive faults as a result of motor over-excitation
• Motor overheating or excessive vibration
Frequency
E1-09 E1-07 E1-06 E1-04 E1-11
Max Voltage E1-05
Mid Voltage B E1-12
Mid Voltage A E1-08
Base Voltage E1-13
Min Voltage E1-10
Min
Freq
Max
Freq
Base
Freq
Mid
Freq
A
Mid
Freq B Freq A