Search found 5 matches

by Fishface
Wed Mar 22, 2023 7:31 pm
Forum: Centroid Acorn CNC Controller
Topic: Harrison M250 CNC Acorn retrofit
Replies: 8
Views: 1800

Re: Harrison M250 CNC Acorn retrofit

Hi Petel,
I have been trying to send you a PM for a couple of weeks now without any joy. They just sit in my outbox. Drawings would be super helpful if we can work out how to share!

Regards Pat
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by Fishface
Mon Feb 20, 2023 7:05 pm
Forum: Centroid Acorn CNC Controller
Topic: Harrison M250 CNC Acorn retrofit
Replies: 8
Views: 1800

Re: Harrison M250 CNC Acorn retrofit

I was going to try using a differential encoder and see how I get on I can always change the encoder later if it doesn't work very well.

Right now I'm trying to work out where to get ac servo motors with 45mm shafts or how to use the ac servos with 35mm shafts.
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by Fishface
Sun Feb 19, 2023 6:28 pm
Forum: Centroid Acorn CNC Controller
Topic: Harrison M250 CNC Acorn retrofit
Replies: 8
Views: 1800

Re: Harrison M250 CNC Acorn retrofit

I managed to find a super helpful company here in the UK called encoders UK who were able to tell me the pin outs for the Anilam L25G-1000-ABZ-7406-SPT02 encoder

A – A signal
B – B signal
C - +V
D – 0V
E – Shield
F – Z signal

This will save me a huge amount of pfaffing and prevent me from damaging ...
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by Fishface
Tue Feb 14, 2023 8:28 am
Forum: Centroid Acorn CNC Controller
Topic: Harrison M250 CNC Acorn retrofit
Replies: 8
Views: 1800

Re: Harrison M250 CNC Acorn retrofit

That's super useful thank you.

I have traced the wires on the old controller and I am sure that I have a Red +V and Black Common with a green case earth. That should mean I don't fry it working out which Pins are ABZ at least. I don't have an oscilloscope but I think I should be able to work it ...
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by Fishface
Mon Feb 13, 2023 5:19 pm
Forum: Centroid Acorn CNC Controller
Topic: Harrison M250 CNC Acorn retrofit
Replies: 8
Views: 1800

Harrison M250 CNC Acorn retrofit

Hi All,
I have just purchased a Harrison M250 CNC and i'm going to retrofit an Acorn and AC servos for the Anilam Crusader 2 controller and DC servo motors.
https://lh3.googleusercontent.com/_sArHEh8YVAvRtHD6GfWq2BE17nkTbqzTlr1-79Gt1YUIlKgpUoorLH0Rztg6Qyccj5ud9vSDoEIfeErqofNLyac ...
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