
150 Rockwell Automation Publication 290E-UM001B-EN-P - June 2012
Chapter 4 Bulletin 290E/291E/294E Programmable Parameters
Compensation
Enables/disables correction options
that may improve problems with
motor instability,
0 = Disabled
1 = Electrical (Default)
Some drive/motor combinations have
inherent instabilities which are exhibited
as non-sinusoidal motor currents. This
setting attempts to correct this condition
2 = Mechanical
Some motor/load combinations have
mechanical resonances which can be
excited by the drive current regulator. This
setting slows down the current regulator
response and attempts to correct this
condition.
3 = Both
Parameter Number 79
Access Rule GET/SET
Data Type UINT
Group Advanced Config.
Units —
Minimum Value 0
Maximum Value 3
Default Value 1
SlipHertzAtFLA
Compensates for the inherent slip in an
induction motor. This frequency is added
to the commanded output frequency
based on motor current.
Parameter Number 80
Related Parameters 30
Access Rule GET/SET
Data Type UINT
Group Advanced Config.
Units x.x Hz
Minimum Value 0.0 Hz
Maximum Value 10.0 Hz
Default Value 2.0 Hz
BusRegulateMode
Controls the operation of the drive voltage
regulation, which is normally operational
at deceleration or when the bus voltage
rises.
0 = Disable
1 = Enabled
Parameter Number 81
Related Parameters —
Access Rule GET/SET
Data Type UINT
Group Advanced Config.
Units —
Minimum Value 0
Maximum Value 1
Default Value 0
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