User Manual

LOGO! functions
4.4 Special functions list - SF
LOGO!
Manual, 06/2014, A5E33039675
137
● Analog ramp (Page 216)(actual value AQ)
● Mathematic instruction (Page 227) (actual value AQ)
● PI controller (Page 220)(actual value AQ)
● Up/down counter (Page 173)(actual value Cnt)
● Analog filter (Page 232) (actual value AQ)
● Average value (Page 237) (actual value AQ)
● Max/Min (Page 234) (actual value AQ)
● On-delay (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. The timebase is configurable.
Valid ranges of the timebase, if T = parameter
Note the following characteristics of timebase values.
Timebase
max. value
min. resolution
Accuracy
s (seconds)
99:99
10 ms
+ 10 ms
m (minutes)
99:59
1s
+ 1 s
h (hours)
99:59
1 min
+ 1 min
The parameter T initially appears as follows in programming mode, for example: