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2640A/2645A NetDAQ
Users Manual
3-22
Allowed Not Allowed
(-2*c21/c2)/(2*((c1+1)-(c21/c2)*(c1-1))) (-2*(abs(c1/(c2-c3))))
See Appendix E for syntax definition and more detailed information.
Configuring Mx+B Scaling 3-29.
Mx+B scaling multiplies a measurement by a multiplier (M) and then applies an
offset (B). For example, Mx+B scaling of 100x+50 applied to a measured value of
1.15 would result in a reading of 100(1.15)+50=165.
You can configure both analog and computed channels to use Mx+B scaling.
You can save values for M and B in a separate file and load directly from the file
using Setup | Load Mx+B File. See “Configuring Mx+B Scaling from a File” for
more information.
To configure Mx+B scaling, complete the following procedure:
1. Select the desired channels and click the Mx+B button to open the Mx+B
Configuration dialog box. Enter the M and B values.
ds023s.bmp
2. To have NetDAQ Logger calculate the Mx+B values, click Calculate M, B
from Range Values, and enter the input and scaled range values. Click OK.