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05-04-2015, 05:24 PM #1
- Join Date
- Nov 2014
- Posts
- 522
Rambo friend, on RAMPS, can't get servo to quit twitching... any ideas?
my rambo fried... not friend...
so I have the deactivation delay uncommented, but still twitching away... guess i will start messing with teh angle to see if i can get it locked into place... unless anyone has other ideas.
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05-04-2015, 10:38 PM #2
Play with the engage and retract angle... Move it a little bit either way and see if you can get it to quiet down. But before you do... Can you take a volt meter to it and see if the signal is high or low when it is sitting idle? If it is high... There may be a one line fix for you.
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05-04-2015, 11:00 PM #3
- Join Date
- Nov 2014
- Posts
- 138
Is it something like this video below. If so. To me it seem power still running to the servo and is not placing the servo in a quiet state. I still keeps getting those twitches when the stepper motor moves. I notice when I was moving my bed. My servo twitch. Same as the x axis. I also notice if my printer is off and I move my bed or any motor the led light on the power supply turns on for that second. Am not sure if everything is connected some how.
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05-05-2015, 11:36 AM #4
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- Nov 2014
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- 522
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05-05-2015, 11:39 PM #5
- Join Date
- Apr 2015
- Location
- Pacific Northwest
- Posts
- 24
The stepper motors will act as generators when manually turned. The Power LED is sensing this voltage potential when you move the bed and in turn spin the Y stepper.
Turn one of the Z steppers and watch what happens to the opposite Z stepper. If you turn a stepper slowly it won't generate much voltage, but give it ( the stepper ) a quick turn and you'll produce plenty.
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