Siemens LOGO! Manual page 166

LOGO! functions
4.4 Special functions list - SF
Parameters On and Off
The on threshold On and the off threshold Off can be provided by the actual value of another
already-programmed function. You can use the actual values of the following functions:
● Analog comparator (actual value Ax – Ay)
● Analog threshold trigger (Page 160) (actual value Ax)
● Analog amplifier (Page 173) (actual value Ax)
● Analog multiplexer (Page 194) (actual value AQ)
● Analog ramp (Page 197) (actual value AQ)
● Analog math (Page 209) (actual value AQ)
● PI controller (Page 201) (actual value AQ)
● Up/down counter (Page 151) (actual value Cnt)
Select the required function by the block number.
Parameter p (number of decimals)
Does not apply to Ax, Ay, On, Off and Δ values displayed in a message text.
Does not apply to the comparison of on and off values! (The compare function ignores the
decimal point.)
Timing diagram
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Manual, 10/2017, A5E01248535-AA
LOGO!