Siemens LOGO! - Multiple Function Switch

LOGO! Manual
A5E00380835-01
158
4.4.10 Multiple function switch
Short description
Switch with two different functions:
 Pulse switch with off-delay
 Switch (permanent lighting)
Symbol in
LOGO!
Wiring Description
Input Trg A signal at input Trg (Trig-
ger) sets output Q (perma-
nent light) or resets it with
off-delay. When active, out-
put Q can be reset with a
signal at input Trg.
Input R A signal at input R resets
the current time T
a
and the
output.
Parameter T represents the time after
which f the output is reset
(output signal transition
1 to 0).
T
L
represents the time dur-
ing which the output must
be set to enable the perma-
nent lighting function.
T
!
represents the preset
time for the start of the off-
warning signal.
T
!L
represents the length of
the off-warning period.
Retentivity:
/ = No retentivity
R = The status is retentive.
Output Q A signal at Trg switches on
output Q. Depending on the
length of the input at Trg,
the output is switched off
again or switched on per-
manently, or it is reset with a
further signal at Trg.
LOGO! functions