dm542t motor reversal?
- sawdust
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10 Dec 2024 03:16 - 10 Dec 2024 03:28 #316364
by sawdust
dm542t motor reversal? was created by sawdust
LIkely the answer is no, hope I am wrong.
I am using linuxcnc 2.7.15 breakout board with printer cable
My X axis has twin rack/pinion drive, motors need to turn in opposite directions. Modifying HAL is beyond me.
I tried reversing the motor phase connections on one driver/motor and the motors still both spun the same direction. Should clarify, both CW and CCW but in sync not opposite as I need.
I have both x axis motors connected to P2 P3 not ideal I realize.
I wonder if it is possible to rearrange the control connectors to reverse one motor? I have not messed with this. The jumpers bringing power to pul+ Dir+ and Ena+ puzzle me. Ena- goes to P2 and Dir- goes to P3.
Thank you.
David
I am using linuxcnc 2.7.15 breakout board with printer cable
My X axis has twin rack/pinion drive, motors need to turn in opposite directions. Modifying HAL is beyond me.
I tried reversing the motor phase connections on one driver/motor and the motors still both spun the same direction. Should clarify, both CW and CCW but in sync not opposite as I need.
I have both x axis motors connected to P2 P3 not ideal I realize.
I wonder if it is possible to rearrange the control connectors to reverse one motor? I have not messed with this. The jumpers bringing power to pul+ Dir+ and Ena+ puzzle me. Ena- goes to P2 and Dir- goes to P3.
Thank you.
David
Last edit: 10 Dec 2024 03:28 by sawdust. Reason: clarification
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- tommylight
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10 Dec 2024 03:44 - 10 Dec 2024 03:45 #316366
by tommylight
Single phase, one winding, two wires, that is the only thing you need to change for it to change direction.
Edit:
NEVER while the drive is powered!!!
Replied by tommylight on topic dm542t motor reversal?
One winding ONLY, not both, and not phases.I tried reversing the motor phase connections on one driver/motor and the motors still both spun the same direction.
Single phase, one winding, two wires, that is the only thing you need to change for it to change direction.
Edit:
NEVER while the drive is powered!!!
Last edit: 10 Dec 2024 03:45 by tommylight. Reason: more info
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10 Dec 2024 03:53 #316368
by sawdust
Replied by sawdust on topic dm542t motor reversal?
So appreciated! I will go take a crack at that right now.
I disconnect ALL the power! always.
dc
I disconnect ALL the power! always.
dc
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10 Dec 2024 04:03 #316370
by sawdust
Replied by sawdust on topic dm542t motor reversal?
Instant fix. Tommy, thank you. I have been slamming my head against that for days.
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10 Dec 2024 10:47 #316387
by tommylight
Replied by tommylight on topic dm542t motor reversal?
You are welcomed, always.
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