Motion Control and Motor Drives

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units for the write buffer.flx VI

What are the desired units for the data input in the write buffer.flx VI.  Should this be in Counts,Degrees, or Volts?
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Hi Wade,

 

The units you would use are dependent on the context of the application.  You are just putting data into a buffer, so the required units will be defined by the VI's actually controlling the motion.  

Nick Keel
Product Manager - NI VeriStand and Model Interface Toolkit
National Instruments
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Hi Wade,

 

could you please explain a bit more in detail what you plan to do with the buffer? In general the buffer on motion control boards don't support any physical unit scaling. That means, that you need to provide data at a low level. Position data (e. g. for contouring) are always stored in counts. If you use analog feedback instead of an encoder feedback, the unit of the buffered values is also not volts, but raw ADC values (e. g. -2048 to +2047).

 

I hope that helps,

 

Jochen

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