Siemens 6ED1050-1AA00-0BE8 User Manual
LOGO! functions
4.4 Special functions list - SF
LOGO!
Manual, 04/2011, A5E03556174-01
Manual, 04/2011, A5E03556174-01
271
4.4.34
Analog filter (0BA7 only)
Short Description
The analog filter function smooths the analog input signal.
Symbol in LOGO!
Wiring
Description
Ax
Input Ax is the analog input signal to be smoothed.
Input Ax is one of the following analog signals:
•
Input Ax is one of the following analog signals:
•
AI1 to AI8 (*)
•
AM1 to AM16
•
NAI1 to NAI32
•
AQ1 to AQ2
•
NAQ1 to NAQ16
•
Block number of a function with analog output
Parameter
Sn (Number of samples) determines how many
analog values are sampled within the program cycles
that are determined by the set number of samples.
LOGO! samples an analog value within every
program cycle. The number of program cycles is
equal to the set number of samples.
Possible settings:
8, 16, 32, 64, 128, 256
Possible settings:
8, 16, 32, 64, 128, 256
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3DU
3DU
Output AQ
AQ is the average value of input Ax over the current
number of samples.
* AI1...AI8: 0...10 V corresponds with 0...1000 (internal value).
Timing diagram (example)
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6Q
6Q
6Q
6Q
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