Brother TC-225 / TC-229 adventure!
05 Dec 2022 16:03 #258610
by pikis
Replied by pikis on topic Brother TC-225 / TC-229 adventure!
It shows 0v
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05 Dec 2022 16:05 #258611
by andypugh
Replied by andypugh on topic Brother TC-225 / TC-229 adventure!
Even when you turn the encoder? If it was showing 0V and -24V relative to +24V then it really has no choice but to show 24V and 0V relative to the 0V line.
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05 Dec 2022 18:54 #258618
by pikis
Replied by pikis on topic Brother TC-225 / TC-229 adventure!
I put pull up resistors on all encoder inputs and inverted them in hal . Now atc works fine
What is happening without resistors:
If I put red multimeter wire on encoder +24v and black wire on encoder outputs it shows 0v when not active and -24v when active
If I put black wire on encoder gnd and red wire on outputs it shows 0v when active and not active.
What is happening without resistors:
If I put red multimeter wire on encoder +24v and black wire on encoder outputs it shows 0v when not active and -24v when active
If I put black wire on encoder gnd and red wire on outputs it shows 0v when active and not active.
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06 Dec 2022 00:40 #258640
by andypugh
Replied by andypugh on topic Brother TC-225 / TC-229 adventure!
OK, that sounds like the encoder has "open collector" outputs then. Googling that might help with interfacing them. (though you sound to be there)If I put red multimeter wire on encoder +24v and black wire on encoder outputs it shows 0v when not active and -24v when active
If I put black wire on encoder gnd and red wire on outputs it shows 0v when active and not active.
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06 Dec 2022 00:42 #258641
by andypugh
Replied by andypugh on topic Brother TC-225 / TC-229 adventure!
One advantage of open collectors is that you can change the working voltage, so could pull-up to 5V if you preferred.
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14 Dec 2022 01:26 - 14 Dec 2022 01:27 #259388
by Abckodude
Replied by Abckodude on topic Brother TC-225 / TC-229 adventure!
Hi Ihavenofish!
actually I have Brother TC-215 with original Toshiba servo drives...and I manage to retrofit it ONLY with pin-to-pin replacement NC-Board with Mesa 7i92 and 7i77. It's work incredibly precice (I think due internal resolver) (precise is about 0.002mm)
first chips
So if your drives and motors initially work fine, I hope You can do the sameand save cost and time.
Ready to share all info with all comunity.
Interested please help!
Last edit: 14 Dec 2022 01:27 by Abckodude.
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14 Dec 2022 01:42 #259390
by tommylight
Replied by tommylight on topic Brother TC-225 / TC-229 adventure!
Deleted the 2 empty posts.
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28 Nov 2023 18:34 #286717
by ihavenofish
Replied by ihavenofish on topic Brother TC-225 / TC-229 adventure!
It's happening again....
Haha. looking at a few new brother options, Including getting my old tc229 back. Not decided on which is the best idea.
Haha. looking at a few new brother options, Including getting my old tc229 back. Not decided on which is the best idea.
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28 Nov 2023 21:57 #286733
by tommylight
Replied by tommylight on topic Brother TC-225 / TC-229 adventure!
Brother like from same parents or Brother like another machine?
![:) :)](/media/kunena/emoticons/smile.png)
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28 Nov 2023 23:45 #286738
by ihavenofish
Replied by ihavenofish on topic Brother TC-225 / TC-229 adventure!
Brother like this entire thread has been about?
![:P :P](/media/kunena/emoticons/tongue.png)
There are a few candidates. Working out which one makes the most "sense" and "cents". I don't want a long project this time. I want a machine that I can get into production quickly. Thanks to a lot of you guys here, converting certain brother machines is now a "few days" proposition, not months or years.
The alt is to pay a lot more for something newer, but... money.
![:P :P](/media/kunena/emoticons/tongue.png)
There are a few candidates. Working out which one makes the most "sense" and "cents". I don't want a long project this time. I want a machine that I can get into production quickly. Thanks to a lot of you guys here, converting certain brother machines is now a "few days" proposition, not months or years.
The alt is to pay a lot more for something newer, but... money.
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