User Manual

LOGO! functions
4.4 Special functions list - SF
LOGO!
214 Manual, 06/2014, A5E33039675
● Average value (Page 237) (actual value AQ)
● Max/Min (Page 234) (actual value AQ)
● On-delay (Page 136) (current time Ta)
● Off-delay (Page 140) (current time Ta)
● On-/off-delay (Page 142) (current time Ta)
● Retentive on-delay (Page 144) (current time Ta)
● Wiping relay (pulse output) (Page 146) (current time Ta)
● Edge-triggered wiping relay (Page 148) (current time Ta)
● Asynchronous pulse generator (Page 150) (current time Ta)
● Stairway lighting switch (Page 154) (current time Ta)
● Multiple function switch (Page 156) (current time Ta)
● Stopwatch (Page 171) (actual value AQ)
● Threshold trigger (Page 180) (actual value Fre)
Select the required function by the block number. For information on parameter defaults,
refer to the On-delay (Page 136) topic.
Parameter p (number of decimals)
Applies only to the values displayed in a message text.
Timing diagram
Functional description
If input En is set, then the function issues one of four possible analog values V1 to V4 at the
output AQ, depending on the value of S1 and S2.
If the input En is not set, then the function issues the analog value 0 at output AQ.