E Stop contactor wiring

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bubblevisor
Posts: 23
Joined: Thu May 26, 2022 11:13 am
Acorn CNC Controller: Yes
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E Stop contactor wiring

Post by bubblevisor »

I have a question about e-stop wiring I have been unable to find an answer on:
For a closed loop stepper CNC machine, should the estop contactor cut mains power to the switchmode power supply OR cut DC power from the switchmode power supply to the drivers?

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cnckeith
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Posts: 9047
Joined: Wed Mar 03, 2010 4:23 pm
Acorn CNC Controller: Yes
Plasma CNC Controller: No
AcornSix CNC Controller: No
Allin1DC CNC Controller: Yes
Hickory CNC Controller: No
Oak CNC controller: Yes
CNC Control System Serial Number: none
DC3IOB: Yes
CNC11: Yes
CPU10 or CPU7: Yes
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Re: E Stop contactor wiring

Post by cnckeith »

safest way is to have the estop contactor break any highvoltage / high amp power to any such device that requires it.

see the example complete system schematics for guidance.
https://www.centroidcnc.com/dealersuppo ... 031.r2.pdf

type in "acorn system" in the search bar
https://www.centroidcnc.com/centroid_di ... browse.php#
Need support? READ THIS POST first. http://centroidcncforum.com/viewtopic.php?f=60&t=1043
All Acorn Documentation is located here: viewtopic.php?f=60&t=3397
Answers to common questions: viewforum.php?f=63

Gear we use but don't sell. https://www.centroidcnc.com/centroid_di ... _gear.html

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