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Thanks for your advice Ray. The grounding provides a huge improvement to the resistance to ESD events directly to the enclosure, but does not completely eliminate the malfunctions. I will look into filters on the wires as well.
Thanks.
Hello,
I have a controller (LCD, processor, PSU, with encoders and a joystick) in an aluminum enclosure that occasionally experiences malfunctions due to ESD events. Through some basic testing in the lab, I have found that connecting the enclosure to an earth ground using a 50cm long ground...
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