Chapter 5 Parameters|VFD-B-P Series
Revision April 2009, SW V1.00 5-73
07 - 06 Motor Line-to-line Resistance R1 Unit: 1
Settings
00 to 65535 mΩ
Factory Setting: 00
The motor auto tune procedure will set this parameter. The user may also set this parameter
without using Pr.07-05.
07 - 07 Reserved
07 - 08 Motor Rated Slip Unit: 0.01
Settings 0.00 to 20.00Hz Factory Setting: 3.00
Refer to the rated rpm and the number of poles on the nameplate of the motor and use the
following equation to calculate the rated slip.
Rated Slip (Hz) = F
base
(Pr.01-01 base frequency) - (rated rpm x motor pole/120)
This parameter is valid only in vector mode.
07 - 09 Slip Compensation Limit Unit: 1
Settings 00 to 250% Factory Setting: 200
This parameter sets the upper limit of the compensation frequency (the percentage of Pr.07-
08).
07 - 10 Reserved
07 - 11 Reserved
07 - 12 Torque Compensation Time Constant Unit: 0.01
Settings 0.01 ~10.00 sec Factory Setting: 0.05
07 - 13 Slip Compensation Time Constant Unit: 0.01
Settings 0.05 ~10.00 sec Factory Setting: 0.10
Setting Pr.07-12 and Pr.07-13 changes the response time for the compensation.
When Pr.07-12 and Pr.07-13 are set to 10.00 sec, its response time for the compensation will
be the longest. But if the settings are too short, unstable system may occur.
07 - 14 Accumulative Motor Operation Time (Min.) Unit: 1
Settings 00 ~1439 Factory Setting: 00
07 - 15 Accumulative Motor Operation Time (Day) Unit: 1
Settings 00 ~65535 Factory Setting: 00
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