Thread: Tech Inspection
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Unread 09-03-2012, 23:13
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Al Skierkiewicz Al Skierkiewicz is offline
Broadcast Eng/Chief Robot Inspector
AKA: Big Al WFFA 2005
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Re: Tech Inspection

Guys,
970K to 1M is an acceptable measurement in a humid environment or when the inspector has one finger on the probe. (this is highly dependent on the meter used.) The nature of motor shorts are such that it may only show shorted when the motor is rotated to the winding that is shorted to the armature. Simple chassis measurement may also not show low resistance when isolated by a speed controller or spike. If you read more than 10K in most cases there will be no problem with interaction with other robots. When strange problems occur in robot operations, such as spontaneous Crio reboots, then suspect motor shorts and make your resistance measurements from robot chassis to each motor lead to determine if a motor is at fault.
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Good Luck All. Learn something new, everyday!
Al
WB9UVJ
www.wildstang.org
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