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Interfacing to older fanuc controller

smp4616

Plastic
Joined
May 9, 2015
Has anyone got any experience or leads on documentation for the rs-232 protocol to load programs into the memory of a fanuc 21t controller for a Hardinge lathe? I bought one and have it up and running but don't want to hand code programs at the machine. I have a good deal of embedded experience, so I was thinking about rigging up a simple arduino with a flash card shield, lcd screen and max-232 chip in the hope that I could save a program to the card, insert it into the arduino at the lathe, use the lcd to select the program, then download it to the machine. I haven't had any luck finding specific data about how the machine uses rs-232, and there are a few different ways it could be doing things... any help is appreciated
 








 
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