LOGO! functions

4.4 Special functions list - SF

If your LOGO! is a LOGO! 0BA7, you can additionally use the actual values of the following functions:

●Analog filter (0BA7 only) (Page 271) (actual value AQ)

●Average value (0BA7 only) (Page 276) (actual value AQ)

●Max/Min (0BA7 only) (Page 273) (actual value AQ)

●On-delay(Page 160) (current time Ta)

●Off-delay(Page 164) (current time Ta)

●On-/Off-delay(Page 166) (current time Ta)

●Retentive on-delay(Page 168) (current time Ta)

●Wiping relay (pulse output) (Page 170) (current time Ta)

●Edge triggered wiping relay (Page 172) (current time Ta)

●Asynchronous pulse generator (Page 175) (current time Ta)

●Stairway lighting switch (Page 179) (current time Ta)

●Multiple function switch (Page 182) (current time Ta)

●Stopwatch (0BA7 only) (Page 198) (actual value AQ)

●Threshold trigger (Page 210) (actual value Fre)

Select the required function by the block number. The timebase is configurable. For information on valid ranges and parameter defaults, refer to the On-delay(Page 160) topic.

Parameters p (number of decimals)

Parameter p applies only to the display of the Ax value in a message text

Functional description

The function reads the value of the signal at the analog input Ax.

This value is multiplied by the value of parameter A (gain). Parameter B (offset) is added to the product, as follows:

(Ax • Gain) + Offset = Actual value Ax

The function block calculates the proportion of the actual value Ax to the range. The block sets the digital output Q high for the same proportion of the T (periodic time) parameter, and sets Q low for the remainder of the time period.

 

LOGO!

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Siemens 6ED1050-1AA00-0BE8 manual Parameters p number of decimals, Functional description
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6ED1050-1AA00-0BE8 specifications

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