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I'm using PID FPGA control : I want to know how I transfer fixed-point data

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Jairak

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Aug 9, 2008, 6:40:09 AM8/9/08
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I read data from sensor (NI 9217 module) my process variable is fixed-point data but I want my setpoint  and my PID out (error) are fixed-point too.
can anyone help me the last question In my VI I want my setpoint is square data for generate input


fpga pid control.jpg:
http://forums.ni.com/attachments/ni/240/6726/1/fpga pid control.jpg


Vi pid control.jpg:
http://forums.ni.com/attachments/ni/240/6726/2/Vi pid control.jpg

Jairak

unread,
Aug 9, 2008, 6:40:09 AM8/9/08
to
I read data from sensor (NI 9217 module) my process variable is fixed-point data but I want my setpoint  and my PID out (error) are fixed-point too.
can anyone help me the last question In my VI I want my setpoint is square data for generate input


how set point generate.jpg:
http://forums.ni.com/attachments/ni/240/6727/1/how set point generate.jpg


fpga pid control1.jpg:
http://forums.ni.com/attachments/ni/240/6727/2/fpga pid control1.jpg


Vi pid control1.jpg:
http://forums.ni.com/attachments/ni/240/6727/3/Vi pid control1.jpg

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