Limit, E-stop,and other connectors on CM board

Assembly questions and answers for the Shapeoko 3 CNC Mill
LTEPM
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Limit, E-stop,and other connectors on CM board

Post by LTEPM » Thu May 21, 2015 8:56 pm

Has anyone fully loaded all of the 2 pin connectors on Carbide Motion Board? I am not able to get my keyed 2 pin bodies to fit on all the pins, I can get 3 in a row but not 4.

Not sure if I have the right connector bodies or if clearance was not allowed for all of the individual 2 pin connectors.

Guess I will need to break out the belt sander.

WillAdams
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Re: Limit, E-stop,and other connectors on CM board

Post by WillAdams » Thu May 21, 2015 9:02 pm

The three connectors from TimForeman’s prototype kit fit fine all alongside each other on my machine. Even started a thread on populating the others: http://www.shapeoko.com/forum/viewtopic.php?f=4&t=6141
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LTEPM
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Re: Limit, E-stop,and other connectors on CM board

Post by LTEPM » Thu May 21, 2015 11:13 pm

I can get a total of 5 on, but not all six. Three in a row will fit, 4 or more in a row will not.

Guess I could resort to wire wrapping.

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Re: Limit, E-stop,and other connectors on CM board

Post by WillAdams » Thu May 21, 2015 11:22 pm

File the sides of the connectors down?
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rtlflatt
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Re: Limit, E-stop,and other connectors on CM board

Post by rtlflatt » Fri May 22, 2015 3:37 am

LTEPM wrote:I can get a total of 5 on, but not all six. Three in a row will fit, 4 or more in a row will not.

Guess I could resort to wire wrapping.
what connectors you using?
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LTEPM
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Re: Limit, E-stop,and other connectors on CM board

Post by LTEPM » Fri May 22, 2015 6:08 pm


newtothis
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Re: Limit, E-stop,and other connectors on CM board

Post by newtothis » Fri May 22, 2015 6:42 pm

Guess you could fashion a 2 pin connector from 2 single pin breadboard jumpers if all else fails. Not pretty though.

Will any type of Estop button work or is there a specific kind/spec?
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twforeman
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Re: Limit, E-stop,and other connectors on CM board

Post by twforeman » Fri May 22, 2015 6:46 pm

Those look like the right connectors. The ones on the board are Molex KK style. It's possible the ones at spark fun are knockoffs and are not quite to spec. However, I have not tried plugging in all six connectors yet. I'll give that a shot and report back.

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LTEPM
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Re: Limit, E-stop,and other connectors on CM board

Post by LTEPM » Fri May 22, 2015 8:01 pm

twforeman wrote:Those look like the right connectors. The ones on the board are Molex KK style. It's possible the ones at spark fun are knockoffs and are not quite to spec. However, I have not tried plugging in all six connectors yet. I'll give that a shot and report back.

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They measure identical to the Molex KK.

I will probably sand or file the side walls down to make them all fit before getting wires inserted. I plan on using all six positions eventually, will need to make my tool setting probe later.

On a side note has anyone soldered a header to the 5V location on the board? Looking for power for Hall effect sensors. Hoping I could do it without removing the board from the heat sink.

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Re: Limit, E-stop,and other connectors on CM board

Post by LTEPM » Fri May 22, 2015 8:09 pm

newtothis wrote:Guess you could fashion a 2 pin connector from 2 single pin breadboard jumpers if all else fails. Not pretty though.

Will any type of Estop button work or is there a specific kind/spec?
Any E stop button that will make contact between the two pins should work, a momentary switch would work as well. I picked up two Emergency stop switches from Amazon, I will need to decide which one to use.

I'm also going to hook up a feed hold button on the box as well, it will likely just be a smaller momentary pushbutton on the same box as the E-stop.

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