Pwlapprox And Pwlapproxnolinechk - Omron NY532-5400 Reference Manual

2 Instruction Descriptions
PWLApprox and
PWLApproxNoLineChk
The PWLApprox and PWLApproxNoLineChk instructions perform broken line approximations for inte-
ger or real number data.
PWLApprox:
PWLApproxNoLineChk:
Instruction Name
PWLApprox Broken Line
Approximation with
Broken Line Data
Check
PWL Broken Line
Approx Approximation with-
NoLineChk out Broken Line
Data Check
Variables
Name Meaning
In Data to
convert
Line[] Broken line
(array) data array
Num Number of
broken line
data
Out Conversion
result
* If you omit the input parameter, the default value is not applied. A building error will occur.
Bit strings
In
Line[]
(array)
Num
Out
2-426
Checks to see if the broken line data is valid.
Does not check to see if the broken line data is valid.
FB/FUN
FUN
FUN
(@)PWLApproxNoLineChk
EN
In
Line
Num
I/O Description
Data to convert
Broken line data array
Input
Number of broken line data
Output Conversion result
OK OK OK OK OK OK OK OK OK OK
Must be an array with elements that have the same data type as In.
OK
OK OK OK OK OK OK OK OK OK OK
Graphic expression
(@)PWLApprox
EN ENO
In Out
Line
Num
ENO
Out
Valid range
Depends on data type.
Depends on data type.
Integers
NY-series Instructions Reference Manual (W560)
ST expression
Out:=PWLApprox(In, Line, Num);
Out:=PWLApproxNoLineChk(
In,
Line,
Num);
Unit Default
*
---
1
--- ---
Times, durations,
dates, and text strings