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Unread 04-02-2009, 18:43
DavidB DavidB is offline
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FRC #2753
 
Join Date: Nov 2008
Location: New Jersey
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Electrically Isolating Electrical Components

I was wondering what they mean in the following:

<R41> All wiring and electrical devices, including all control system components, shall be electrically isolated from the ROBOT frame. The ROBOT frame must not be used to carry electrical current (e.g. this is necessary due to polarity reversals that occur under certain operating conditions such as during motor direction reversals).

The chassis for the cRIO Mobile Device Controller and the supplied camera have grounded enclosures. Under this rule (and for their protection), it is REQUIRED that they be electrically isolated from the ROBOT frame when installed on the ROBOT.

Basically On our robot we have a drive train and then we have metal plates attached to the where we are Mounting our electronics. From my understanding the rule is referring to using your robot chassis as ground.
So basically I'm wondering if what we are doing is allowed (Having electronics mounted on a metal plate attached to the drive train). Also what do they mean by the ground enclosures for the cRio and Camera?

Thank you for any help you can provide,
DavidB