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Re: Suicide Cables Safe for Motors?
Quote:
Originally Posted by EmileH
Can confirm this. During one of 3467's 2015 practice sessions, we stopped mid-match before we were about to place a six stack + can and noodle while leaving the robot enabled. It turned out that our software was still holding a position slightly above ground level, hence stalling our two-miniCIM elevator for more than two minutes. It did not trip the PDP breakers. After that, those two miniCIMs were cooked for good (also the shop smelled considerably of burning CIM internals  ). |
The breakers used in FRC don't really protect the motors. They self reset very quickly letting current through. If you were using 40 amp breakers with the mini cims, it is possible to stall the motor with current sufficient to fry the motor but less than what it takes to trip the breaker.
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