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Thread: Fanuc Alpha i PSM Protacol

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  1. 01-07-2023, 08:10 AM #1
    Will_12
    Will_12 is offline Member
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    Jan 2023
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    Fanuc Alpha i PSM Protacol

    Hello,

    I have a alpha i power supply module I want to use to power third party drives. I need to work out how to send the MCON signal to the PSM so the main contactor closes and the module starts outputting power. I believe this command is sent via serial communication over the K69 cable from the Fanuc drives using the MIFA and XMIFA pins.

    I was wondering if anyone has information on the protocol or hints on how to get the PSM to the ready state and outputting power.

    Many thanks.
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