U.017 motor top speed – Rockwell Automation GV3000/SE 230VAC 1-20 HP GP & Vector Drive Ver. 6.04 Software Start-Up and Ref. User Manual

Page 166

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4-80

GV3000/SE 230 VAC Drive, Software Reference Version 6.04

120 x 240
U.002

120 x U.003

U.002

U.017 Motor Top Speed

This parameter
selects the top speed
that the motor can
reach.

120 x 240

U.002

Parameter Range:

U.005 to 7200 RPM *

Default Setting:

Power Module-dependent, see Appendix C

Parameter Type:

Configurable

Refer also to parameters: P.004 Maximum Speed

P.005 Current Limit
U.002 Motor Poles
U.005 Motor Nameplate RPM

* To determine the upper limit of U.017, the drive compares the results of two
formulas and uses the lower value:

For FVC operation (U.001

SE):

4 x sync speed or (drive uses lower value)

For SVC operation (U.001 = SE):

2 x sync speed or (drive uses lower value)

where sync speed =

Note that the drive limits the output frequency to the motor to 240 Hz.

Note the following about U.017:

Increasing this number above Motor Nameplate RPM (U.005) will increase the
field weakening range.

The range of the tunable parameter P.004 (Maximum Speed) is limited by the
value in U.017.

For applications not requiring constant horsepower operation, U.017 should be
set equal to U.005 (Motor Nameplate RPM).

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