New ethercat / probe basic control for minimonster

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09 Feb 2025 22:08 - 09 Feb 2025 22:08 #321122 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
Seems to be a smaller pitch. 10 pins (none missing). Cant find anything online vaguely resembling it, lenovo does not seem to offer it as a part I can find. All my other lenovos use a different type of cable.

 
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Last edit: 09 Feb 2025 22:08 by ihavenofish.

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  • rodw
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09 Feb 2025 22:10 #321123 by rodw
You might be able to get a uart to rs485 adapter and make your own cable  to pick up the expansion port. Just check the voltage the PC uses. If you need 5 volts, you could steal it from a USB port.
core-electronics.com.au/ttl-uart-to-rs48...D1tkF_xoCPwkQAvD_BwE

Other than that, the USB version (which I use) is OK. Once, it changed to a different USB port then it has not changed again! I just needed to edit the config file to use the different port.

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09 Feb 2025 22:15 #321124 by rodw
Others will know more than me but that looks like  a JST connector. Something like this 
www.ebay.com.au/itm/154065078026?chn=ps&...9UbkzuugEo8uJPwuwmfk

They come in different pitches eg 1, 1.5 , 2.0mm etc so measure the distance between pins

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09 Feb 2025 22:23 #321125 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
hmm
OK, well I'm gonna put this all away for a bit while I wait for the drives and such.

Need to mill a new Z end plate to raise my clearance 10mm and gain 5mm travel.
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15 Feb 2025 20:28 #321660 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
Woo servos arrived, among other things.

So, now the read adventure begins.

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15 Feb 2025 22:26 #321670 by tommylight

Woo servos arrived, among other things.

We don't believe you !
We want proof! :)

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16 Feb 2025 01:15 #321675 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
pics later. already have 2 issues.

1: the 200w servos have 11mm shafts. wft is that? I ordered couplings but they wont arrive for 2 weeks.

Second issue is i am having a hard time cinding the CN26P cables for the io from somewhere economical that doesnt take 2 months to ship. (nohting on amazon, digikeys pricing is insane, and the actual cables from omron or yaskawa are both expensive AND take 2 months.

sigh. :)

its just a scsi connector, youd think every computer store would have some in the back room collecting dust.

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16 Feb 2025 03:04 #321676 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
well, I guess I'm waiting another 2 weeks. but I think I can at least get the servos moving and linuxcnc/ethercat running. And then maybe the rs485 spindle.

Point me to where I need to read about configuring that? :)

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16 Feb 2025 03:50 #321677 by tommylight
Hmmmm there is no 26 pin SCSI connector that i can think of, they are always 50 pin IDC style or over 70 pin connectors with pretty damn small raster.
Again, pictures?
Of the connector now, at least.

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16 Feb 2025 03:57 #321678 by ihavenofish
Replied by ihavenofish on topic New ethercat / probe basic control for minimonster
theres 14, 20, 26, 36, 50, 68. 50 and 68 were the only ones commonly used in computers i think.

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