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M-One motor continuously spinning


chris ragozzino
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Hey all,

 

I ran into a slight problem on a shoot recently. When I was calibrating my motor, it would just keep spinning out of control and the only way I could stop it would be to disconnect the power. I messed with the cables a little bit and eventually got it to behave, but this is a bit concerning since it's a fairly new system. Has anyone else ran into this problem? What could it be?

 

Thanks everyone!

 

-Ragz

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This kind of behaviour in digital systems (we call them runaways) is usually either encoder damage or some kind of wiring failure. If the encoder is broken, this will happen. If there is a wiring problem and the power to the encoder is faulty, or one of the signal lines is broken, the same will happen.

 

We have an error handling system in the axis1 that detects a runaway and stops the motor turning to prevent lens damage. If there is an encoder or wiring failure, there is not much that can be done besides physically finding the problem and fixing it, but at least it prevents the motor speeding off and damaging any lenses.

 

Pete.

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