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Thread: RC 7.2v PWM power outputs

  1. #1
    FRC358 Guest

    Post RC 7.2v PWM power outputs

    Re: Team Update #9's revision of R55 explicitly allows custom circuits to be powered via the RC's 5v pins.

    In addition to the labeled 5v pins, the Robot Controller has (18) 7.2v power output pins (so labeled) on the pwm outputs.
    By omission, are we not allowed to use these 18 pwm outputs to power or direct custom circuits?

    I apologize for not making a previous question of mine clearer.
    Re: http://forums.usfirst.org/showthread.php?t=8700
    I gave the mistaken impression that I was asking about the backup battery spade connection. I am not. I am asking about RC .1" output power pins.

  2. #2
    Join Date
    Jan 2006
    Posts
    2,777

    Default Re: RC 7.2v PWM power outputs

    Thank you for the clarification of your question.

    To be precise, the two spade lugs on the Robot Controller labeled "+7.2V Backup" are for power input from the backup battery only. Nothing other than the backup battery (and the backup battery charger circuit, if used) should be connected to these connectors. This has been previously addressed.

    To your specific question: the row of 0.1" output pins labeled "PWM Outputs" provide +7.2v sources. Custom circuits and sensors may draw power from these output pins, in the same manner that they may use power available via the +5.0v pins. The limitation is that the total current drawn through all the sources provided by the Robot Controller must not exceed 1 amp.

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