On Delay - Siemens LOGO! 24RC Manual

LOGO! Functions
4.4.1

On Delay

Brief description
In the case of the on delay, the output is not switched over
until a definable time period has elapsed.
Symbol in
LOGO!:
Parameter T
Please note the parameter values for the T parameter in
Section 4.3.2.
Timing diagram
Trg
Q
T starts
a
Description of function
When the state at the Trg input changes from 0 to 1, the
time T
a
80
Connection
Input Trg
Parameter T
Output Q
T
begins to elapse (T
Description
Use Trg (trigger) input to
start the time for the on
delay.
T is the time after which the
output is switched on (out-
put signal is switched from 0
to 1).
Q switches on after expira-
tion of the defined time T if
Trg is still set.
The bold part of the
timing diagram ap-
pears in the on-delay
symbol.
T
is the current time in LOGO!).
a
LOGO! Manual
A5E00067781 01