Add I/O to unlicensed robot

  • I'm considering buying a used arcMate 120iB with RJ3iB controller. I need more I/O than the used robot has available. Can I add I/O without licensing the robot through Fanuc or will it require a software update to make the I/O work?


  • Pretty sure you can just boot the robot into control start and up the IO from there. I think the RJ3iBs could only go up to about 1000 IO points though.

    Now if it is a new communications bus, then yeah you will need to contact them.

    Check out the Fanuc position converter I wrote here! Now open source!

    Check out my example Fanuc Ethernet/IP Explicit Messaging program here!

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