Analog out from UCCB is 0-6v and not 0-10 ?????

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Analog out from UCCB is 0-6v and not 0-10 ?????

Postby Eskolin » Sat Jan 20, 2024 2:37 pm

I use the Pin 5=6 on the UC400 board for speed control, I need 0-10v but get only 0-6v

and i try to put on a DMM and there is no difference if the wire is connected to VFD or not still 0-6v

I need 0-10v for running my VFD but I set the min rpm to 6000 and max to 24000 but I cant get higher than 18000rmp

Any ide what to look for ????
Eskolin
 
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Re: Analog out from UCCB is 0-6v and not 0-10 ?????

Postby Eskolin » Sat Jan 20, 2024 4:14 pm

Sorry...not the UCCB but the UC300ETH-5LP !!
Eskolin
 
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Re: Analog out from UCCB is 0-6v and not 0-10 ?????

Postby fsli » Sun Jan 21, 2024 1:22 pm

Eskolin wrote:and i try to put on a DMM and there is no difference if the wire is connected to VFD or not still 0-6v

  • Verify that the output on pins 1/9, and 8/16 is showing as 12v DC. If not, then you likely have a bad board.
  • What are your settings for PWM Frequency, PWM Min Duty Cycle, and PWM Max Duty Cycle?
Frank
fsli
 
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