Overview of All Actions
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
13-3
13.2 Event-Dependent Actions - with and without Interlock
These actions are executed once when the event occurs and the corresponding
step is active. When the sequencer is run through after this, an event-dependent
action is executed again only when the event occurs again.
Action Explanation Address
range
Event Instruction Address
Area
Location
S1: Actions linked to a step becoming active
S1 N Q,I,M,D* m.n As soon as the step becomes
active (enters state), the
signal state of the address is
1.
0.0 to
65535.7
S1 S Q,I,M,D* m.n As soon as the step becomes
active (enters state), the
address is set to 1 and then
remains set to 1.
0.0 to
65535.7
S1 R Q,I,M,D* m.n As soon as the step becomes
active (enters state), the
address is set to 0 and then
remains set to 0.
0.0 to
65535.7
S1 CALL FB, FC,
SFB, SFC
Block
number
As soon as the step becomes
active (enters state), the
specified block is called.
S1 ON S i As soon as the step becomes
active (enters state), step i is
activated.
i = step
number
S1 OFF S i As soon as the step becomes
active (enters state), step i is
deactivated.
i = step
number
S1 OFF S_ALL As soon as the step becomes
active (enters state), all steps
are deactivated except for the
step in which the action is
located.
S1 NC Q,I,M,D* m.n As soon as the step becomes
active (enters state) and the
condition (interlock) is
satisfied, the signal state of
the address is 1.
0.0 to
65535.7
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