Overview of All Actions
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
13-21
Action Explanation
Event In-
struc-
tion
Address Location Address
range
V0 TD T
<time>
X As soon as a supervision error leaves the state (is
eliminated or acknowledged), the timer starts. For
the specified time, the timer bit (status of the timer)
is set to 0, when the time elapses, it is set to 1.
x = no.
of timer
V0 TR T
<time>
X As soon as a supervision error leaves the state (is
eliminated or acknowledged), the timer stops. Timer
bit (status of the timer) and timer value are reset to
0.
x = no.
of timer
A1: Timers in actions linked with a message acknowledgment
A1 TL T
<time>
X As soon as a message is acknowledged, the timer
starts. For the specified time, the timer bit (status of
the timer) is set to 1, when the time elapses, it is
reset to 0.
x = no.
of timer
A1 TD T
<time>
X As soon as a message is acknowledged, the timer
starts. For the specified time, the timer bit (status of
the timer) is set to 0, when the time elapses, it is set
to 1.
x = no.
of timer
A1 TR T
<time>
X As soon as a message is acknowledged, the timer
stops. Timer bit (status of the timer) and timer value
are reset to 0.
x = no.
of timer
A1 TLC T
<time>
X As soon as a message is acknowledged and the
condition (interlock) is satisfied, the timer starts. For
the specified time, the timer bit (status of the timer)
is set to 1, when the time elapses, it is reset to 0.
x = no.
of timer
A1 TDC T
<time>
X As soon as a message is acknowledged and the
condition (interlock) is satisfied, the timer starts. For
the specified time, the timer bit (status of the timer)
is set to 0, when the time elapses, it is set to 1.
x = no.
of timer
A1 TRC T
<time>
X As soon as a message is acknowledged and the
condition (interlock) is satisfied, the timer stops.
Timer bit (status of the timer) and timer value are
reset to 0.
x = no.
of timer
R1: Timers in actions linked to setting a registration
R1 TL T
<time>
X As soon as a registration is set, the timer starts. For
the specified time, the timer bit (status of the timer)
is set to 1, when the time elapses, it is reset to 0.
x = no.
of timer
R1 TD T
<time>
X As soon as a registration is set, the timer starts. For
the specified time, the timer bit (status of the timer)
is set to 0, when the time elapses, it is set to 1.
x = no.
of timer