Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026
18
Omega Series Digital PWM Amplifier Manual
Open Loop Motor Drive Test
Disable the amplifier by un-checking the
Enabled
Check box on the MoCon Motor Summary window.
Disable the following error fault by setting the
Error Limit Action
on the
Events
Tab of the MoCon
Motor Summary
window to
None
.
Change to Open-Loop mode by setting the
Algorithm
on the
Config
Tab of the
Filter Summary
Window to
None
.
Enable the amplifier by checking the
Enabled
Check box on the MoCon Motor Summary window.
Carefully rotate the motor shaft by hand and verity the motor rotates smoothly without any cogging
torque or torque bias.
Command a small current to the motor by setting the DAC offset to
approximately 0.1V which is equivalent to a digital command of
327. Verify the commanded current, raw units on the MotionMaes-
tro Control Loop Signals Status box is 327 as shown.
Verify that the motor spins smoothly. Depending on the motor and
amp, the DAC offset may need to be increased to make the motor
move.
Change the DAC offset to –0.1V and verify that the motor spins at
approximately the same speed in the opposite direction.
Summary of Contents for Omega SMC9930
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