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S5-115U Manual
8.1.2
Set/Reset Operations
Set/reset operations store the result of logic operation (RLO) formed in the processor. The stored
RLO represents the signal state of the addressed operand. Storage can be dynamic (assignment) or
static (set and reset). Table 8-2 provides an overview of the set/reset operations. Examples follow
the table.
Operation
Operand
S
R
=
ID
I
Q
F
EWA 4NEB 811 6130-02b
Table 8-2. Overview of the Set/Reset Operations
Set
The first time the program is scanned with RLO="1", signal
state "1" is assigned to the addressed operand. An RLO change
does not affect this status.
Reset
The first time the program is scanned with RLO="1", signal
state "0" is assigned to the addressed operand. An RLO change
does not affect this status.
Assign
Every time the program is scanned, the current RLO is assigned to
the addressed operand.
Parameter
CPU 941/942/943/944
0.0 to
0.0 to
0.0 to
STEP 5 Operations
Meaning
127.7
127.7
255.7
8-7
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