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Unread 09-10-2014, 09:56
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Mark McLeod Mark McLeod is offline
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Re: 2015 Beta Testing - PWM voltage levels

Quote:
Originally Posted by controls weenie View Post
Has anyone put the PWM signals on an oscope? I assume the PWM signal is still 5v max but will it change to 3.3v if the internal jumper is set to 3.3v. I also noticed that there is no jumper on the roborio to pass 6v to the center PWM conductor. The crio had this jumper. Can someone take a measurement and let me know these two voltages?
The 3.3v/5v internal jumper only affects the DIO power output.
The PWM signals are always 5v max.
The PWM power is always 6v. The motor controllers have this line disconnected, so power on it doesn't affect them.
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