Panasonic FP Series Programming Manual page 615

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Comparison instructions

The function compares a data band whose upper and lower limits are specified at inputs s2_Min

and s3_Max with a value that is entered at input s1_In. The result is returned as follows:

Comparison between

s1, s2 and s3

s1_In < s2_Min

This instruction also exists as a P instruction (for FP2/2SH, FP3/5, FP10/10SH PLC types), which

is only executed at the rising edge of the EN trigger. Select [Insert P instruction] from the

"Instructions" pane if you require a P instruction. To facilitate reuse, the instruction then appears

under "Recently used" in the pop-up menu. Press <Ctrl>+<Shift>+<v> within the programming

area to open the list of recently used elements.

Availability of F346_FWIN (see page 1324)

In this example, the same POU header is used for all programming languages. For an example

using IL (instruction list), please refer to the online help.

All input and output variables used for programming this function have been declared in the POU

Floating point data band compare

R900A (>flag)

REAL number data to be compared to s2_Min and s3_Max

for an instant

R900C (<flag)

 the values at inputs s1_In, s2_Min, and

s3_Max are not REAL numbers

 if the value at s2_Min > s3_Max.

dec. or hex.