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Overview of All Actions
Action
Event
In-
Address
struc-
Area
tion
S0
CD
C
S0
CR
C
L1: Counters in actions linked with interlocks leaving state
L1
CS
C
<initial
counter
value>
L1
CU
C
L1
CD
C
L1
CR
C
L0: Counters in actions linked with interlocks entering state
L0
CS
C
<initial
counter
value>
L0
CU
C
L0
CD
C
L0
CR
C
13-14
Location
X
As soon as the step is deactivated (leaves
state), the counter is decremented by 1.
X
As soon as the step is deactivated (leaves
state), the counter is reset to 0.
X
As soon as the interlock condition is no longer
satisfied (leaves state) while the step is active
or if the interlock condition is not satisfied when
the step becomes active, the initial counter
value is loaded in the counter.
X
As soon as the interlock condition is no longer
satisfied (leaves state) while the step is active
or if the interlock condition is not satisfied when
the step becomes active, the counter is
incremented by 1.
X
As soon as the interlock condition is no longer
satisfied (leaves state) while the step is active
or if the interlock condition is not satisfied when
the step becomes active, the counter is
decremented by 1.
X
As soon as the interlock condition is no longer
satisfied (leaves state) while the step is active
or if the interlock condition is not satisfied when
the step becomes active, the counter is reset
to 0.
X
As soon as the interlock condition is satisfied
when the step is active (enters state), the initial
counter value is loaded in the counter.
X
As soon as the interlock condition is satisfied
when the step is active (enters state), the
counter is incremented by 1.
X
As soon as the interlock condition is satisfied
when the step is active (enters state), the
counter is decremented by 1.
X
As soon as the interlock condition is satisfied
when the step is active (enters state), the
counter is reset to 0.
S7-GRAPH for S7 300/400 Programming Sequential Control Systems
Explanation
C79000-G7076-C526-01
Address
range
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
x = counter
number
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