Experimental Physics and Industrial Control System
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Hi Joey,
To be clear, what kind of motor is that? Is it a
simple DC motor or a stepper motor. It seems to have a fairly
complex controller. What kind of controller is that? Is it
commercial or home-made?
Pete.
On 02/13/2017 02:01 PM, Joey Thai
wrote:
Hi Tim,
The problem we have is that the VAL field seems to change
the speed of the coreless brushed motor's rotation. The
YouTube video below demonstrates the speed of the motor when
we set the VAL field to 100, then 30:
Notice that the speed of the motor when VAL is set to 30 is
noticeable slower than the speed when VAL is set to 100. Since
the motor we are using is not using an encoder, the motor does
not know its current position. As Matthew said earlier, VAL
seems to affect the speed of the motor's rotation.
I guess my question is, is there some sort of hidden
relationship between the VAL field and the speed of a motor's
rotation?
Best Regards,
Joey Thai
--
D. Peter Siddons
Detector Development Group Leader
Photon Science Division, NSLS-II,
Bldg. 535B
Brookhaven National Laboratory
Upton, NY 11973
email: [email protected]
Phone: (631) 344-2738
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- Re: VAL field in Motor record Default unit Joey Thai
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ANJ, 21 Dec 2017 |
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