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Precision Digital PD865 User Manual

Page 38

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PD865 Snooper Modbus

Serial Input Meter

Instruction Manual

38

Scaling the Display Value (scale)
The data that the meter receives can be scaled to display in engineering
units. Input 1 must be less than Input 2; Input 2 must be less than Input
3; etc (known as monotonic values). Press Menu after all changes have
been made. The display will flash Save ?. Press Enter to save the
changes or Menu to exit without saving. When the Linear function is
selected, up to 16 points may be programmed to handle non-linear data.
Only two points are available for either the Square Root or
Programmable Exponent functions. See the Advanced Features/Display
Math Function menu on page 54 for more information.

Scale

inp 1

dis 1

dis 16

inp 16

Only the programmed number of points will be shown
in the menu. The range is from 2 to 16 points.

The display will alternate between Error and aa--bb if two inputs have
the same value or are not monotonic, where AA and bb represent the
two erroneous input points. Undesired operation may occur if the error
is not corrected. Correct the error by either changing one of the inputs in
question or changing the number of points to exclude an erroneous
input point.
Note:

Data that is outside the working Input range will cause an out
of range condition. For example, if 4 points are programmed,
data less than Input 1 will cause an underrange and data
greater than Input 4 will cause an overrange.