Okuma Servo Drives

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8 years 4 months ago #112248 by rene-dev
Replied by rene-dev on topic Okuma Servo Drives
yes, but usually if you only apply power, they start talking to the encoder, and you can listen to that.

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8 years 4 months ago #112249 by andypugh
Replied by andypugh on topic Okuma Servo Drives

Diederik wrote: Normally if it is a absolute encoder, there would be a battery pack somewhere along where the encoder plugs in, but I can't find one,


I have read somewhere (possibly here, possibly cnczone) that the Okuma encoders manage to store state without using a battery.
Which sounds like voodoo, I admit.

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8 years 4 months ago #112250 by PCW
Replied by PCW on topic Okuma Servo Drives
Older ones use gears...

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8 years 4 months ago #112251 by Diederik
Replied by Diederik on topic Okuma Servo Drives
I sent some messages to a okuma technician to ask if he knows how the serial position command protocol works, so waiting for feedback, and will report

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8 years 4 months ago #112253 by Diederik
Replied by Diederik on topic Okuma Servo Drives
So got a reply from my okuma technician connection, an he replied that he has no idea. Its a secret he says...

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8 years 4 months ago #112256 by andypugh
Replied by andypugh on topic Okuma Servo Drives
It might be possible to reverse-engineer it.
I am not sure what tools one would use to link in, I would probably start with an oscilloscope in an attempt to find the bit-rate

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8 years 4 months ago #112258 by Diederik
Replied by Diederik on topic Okuma Servo Drives
Henk also suggested the same thing. So I will try and find out where another machine is with the same drives, and ask if we can go there to run the osciloscope. I will report any progress.

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