SoftMotion Straight Line Move Read/Write Targ Pos functionality

[RVallieu]

I have been reading up/studying example code on the SoftMotion package from NI.

I downloaded the "NI Week 2008 SoftMotion Development Module 2.1 & Compact RIO 6 Axes Coordinated Motion Demo" code to review how I might implement some homing routine on stepper axes, and ran across some undocumented code.

I note that the Straight Linr Move Read/Write property of Targ Pos (Target Position) can take in either a scaler target or arrays of targets.  The detailed help for this node does not detail the difference in operation.

From what I can decipher it seems to be that the Array input is for when you have mapped multiple axes to a "coordinate" and the array input sets the target positions for the individual axes in the coordinate.

Is this true?

[Michelle_N]

I see what you mean. I'll have to look at this a little bit.

[Adam_H · Accepted solution]

Hi Rvallieu, You are correct. This is the function the array has. If you configure the system to work with multiple axes the Target Position of the Straight Line Move Read/Write will take an array input. This is something that should be mentioned in the help. This was reported to R&D (# 133028) for further investigation.

[RVallieu]

Thanks for the clarification.