Rockwell Automation GV3000/SE 230VAC 1-20 HP GP & Vector Drive Ver. 6.04 Software Start-Up and Ref. - Manual (Page 163)

4-77 Programming Reference
This parameter
displays the results
of the self-tuning
operation requested
by parameter U.008.
SF will be displayed
with a fault entry in
the error log showing
the cause(s) of the
fault(s) for any values
of 1 through 7.
Parameter Range: 0 = Self tuning successful
1 = User initiated a normal stop. Self-tuning aborted.
2 = Emergency stop or fault stop occurred during
self-tuning. Self-tuning aborted.
3 = Motor or encoder direction in reverse. Motor
must rotate in clockwise direction facing the
motor/encoder end. The encoder leads might
also be reversed if the motor direction is correct.
4 = Encoder PPR out of range. The result of the
determination of the encoder PPR was not one
of the four selections of U.001. The encoder
leads might also be reversed.
5 = Magnetizing current percent out of range. The
measured no load current was not within 10% to
80% of rated current. Check to see that nothing
is connected to the shaft and check the value in
U.004.
6 = Bus voltage error. Bus voltage out of range.
Check that the AC input line is +/–10% of U.018.
7 = Current limit exceeded. Self-tuning should be
run with the motor unloaded, and without being
connected to any inertia load.
Default Setting: N/A
Parameter Type: Read only
Refer also to parameters: U.001 Encoder PPR
U.008 Torque Self-Tune Enable
U.009 Torque Self-Tune Result
U.012 Speed Regulator Proportional Gain
This parameter
selects the
proportional gain of
the PI amplifier in the
speed loop. This
value affects the
dynamic performance
of the speed
regulation of the
motor. Parameter Range: 0.01 to 99.99
Default Setting: Power Module-dependent, see Appendix C
Parameter Type: Tunable
Refer also to parameters: N/A
Larger gain values result in faster response, but may result in less stability. If the
drive overshoots the speed reference when changes to the reference are made, or if
the drive is unstable, reduce the value.
With the default value, the drive should perform satisfactorily. However, with
increased inertia loads, this parameter may need to be adjusted.