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SmoothSignal_REAL
This instructions uses a 1st order delay time tT1 to smooth the REAL input value at iIN.
Description
see page 1331
PLC types
Data types
Input variable
rIn
tT1
Input/output variable
dutMemory
Output variable
rOut
In this example the function has been programmed in ladder diagram (LD) and structured text (ST).
Example
The same POU header is used for all programming languages.
POU header
All input and output variables used for programming this function have been declared in the POU
header.
LD
ST
When programming with structured text, enter the following:
SmoothSignal_REAL(rIn
tT1
:= t#2s,
Smooth REAL signals
Data type
REAL
TIME
dutMemory
REAL
:= rIn,
dutMemory
:= Memory_DUT,
rOut
=> rOut);
Function
Input signal
Time constant of the 1st order low-pass filter
Instance-dependent data memory structure, which serves as the
internal memory of the function. As with the instance name of a
function block, it may be neither initialized nor written in the body!
Output signal
Process control instructions
967
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