Rockwell Automation SA500 Diagnostics, Troubleshooting Guide - Manual (Page 35)

Installation and Start-Up Guidelines 4-15
If the motor does not turn, place a value of zero in register 102/1102 and
turn off the drive. Change the Output Rotation parameter. Regenerate the
parameter object file and reload it to the rack. Restart the drive. Slowly
increase the value in register 102/1102 and verify that the motor is turning.
d. If the motor shaft is turning in a counter-clockwise direction and the
application requires that a clockwise shaft rotation be identified as
“forward” (i.e., the value in register 215/1215 is increasing), perform the
following:
Turn the drive off and switch the resolver’s cosine wires. Change the
Output Rotation parameter. Regenerate the parameter object file and
reload it to the rack.
e. If a brushless motor is used and the resolver has been removed, replaced,
or had its cosine wires changed, the resolver alignment test must be
performed as described in section 3.3.
f. Verify the motor shaft rotation is in the desired direction by repeating steps
a and b.
Step 5. Verify that the motor speed can be regulated. The method used to verify
speed regulation will depend upon your application.
Step 6. Perform the resolver balance calibration procedure. This procedure is also
described in the SA500 Power Modules instruction manual (S-3018). The
Resolver Balance Calibration Completed bit (register 201/1201, bit 7,
RES_BAL@) will be on when the procedure is complete. The result of this
procedure is stored in local tunable RES_BAL%.
If the Tuning Aborted Warning bit (register 203/1203, bit 5, WRN_TUN@) is
also on, it indicates that the procedure was unsuccessful (caused by leaving
the resolver uncoupled during the procedure or using longer than
recommended cable runs) or yielded unusual results (sine/cosine
magnitudes are not within 5% of each other).
4.7.9 Running Dynamic Motor Tests
The dynamic motor tests complete the drive start-up. The drive is tuned by running the
single drive section under test in order to adjust motor tracking, maximum speeds,
vernier adjustments, and machine section speed adjustments.
The driven machine is then run under actual operating conditions with a load in order
to adjust gain values, feedback devices, limit switches, etc., as required, to obtain the
specified performance.
!
ATTENTION: For brushless motor applications, changing any resolver
wiring, breaking the resolver coupling, replacing the resolver, or replacing
the motor and resolver for any reason requires that the shaft alignment
test be performed again. Resolver wiring changes always affect shaft
alignment. A resolver change and/or a new motor/resolver combination
will affect the shaft alignment. Improper shaft alignment can cause motor
overspeed when the motor is started. Failure to observe this precaution
could result in bodily injury.