User's Manual

LOGO! functions
4.4 Special functions list - SF
LOGO!
160 Manual, 04/2011, A5E03556174-01
View in LOGO! Name of the special function Rem
4
,Q
7UJ
'LU
3DU
Shift register (Page 245) REM

(ᇄ
4
(Q
5
3DU
Mathematic instruction error detection
(Page 268)
4.4.1 On-delay
Short description
The output is only set after a configurable on-delay time has expired.
Symbol in LOGO! Wiring Description
Input Trg A signal at input Trg (Trigger) triggers the on-delay
timer.
Parameter T represents the time after which the output is
switched on (0 to 1 transition of the output signal).
Retentivity:
/ = no retentivity
R = the status is retentive.
4
7UJ
3DU
Output Q Q is switched on when the set time T has expired,
provided Trg is still set.
Parameter T
Note the defaults for parameter T in topic Time response (Page 151).
The time for parameter T can also be preset based on the actual value of another, already-
configured function. You can use the actual values of the following functions:
●
Analog comparator (Page 218) (actual value Ax - Ay)
●
Analog threshold trigger (Page 213) (actual value Ax)
●
Analog amplifier (Page 226) (actual value Ax)
●
Analog multiplexer (Page 248) (actual value AQ)
●
Analog ramp (Page 251) (actual value AQ)
●
Mathematic instruction (Page 265) (actual value AQ)
●
PI controller (Page 256) (actual value AQ)
●
Up/down counter (Page 201) (actual value Cnt)