scaling problems with the DAQ hardware help

I am a new user and I'm trying to do a simple scaling of my entries of tension using the DAQ help. For example: a channel entered around 8V on a 0 to 10V input selection. I'm trying to resize it (linear) to show me around 28V using y = mx + b formula. My value of m is 3.2 and b 0. What DAQ Assistant bed is close to 16V instead of 25V (3.2 * 8). I custom make several scales, basically multiplying the entry of 2, 3, 4, 5, & but none exits causes what I expected according to the formula, and even the 5 x the value decrease. If I go to "not to scale", I read 8V, which is what actually happens in the 6255 map. Any thoughts?

Hello DB66.

Remember that the scope of the input Signal must be defined scale post. How do you set as your input signal range, you're reading may be scaling themselves within the reach of the input signal. A value of coefficient of 3.2, the stove must be Max = 32 Min =-32, since your device probably has a +/-10V range.

Hope that helps.

Tags: NI Software

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