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Basic instructions
7.1 Bit logic operations
Table 7- 13
Data types for the parameters
Parameter
Data type
S, S1
Bool
R, R1
Bool
INOUT
Bool
Q
Bool
The "INOUT" tag assigns the bit address that is set or reset. The optional output Q follows
the signal state of the "INOUT" address.
Instruction
208
S1
R
RS
0
0
0
1
1
0
1
1
S
R1
SR
0
0
0
1
1
0
1
1
Description
Set input; 1 indicates dominance
Reset input; 1 indicates dominance
Assigned bit tag "INOUT"
Follows state of "INOUT" bit
"INOUT" bit
Previous state
0
1
1
Previous state
0
1
0
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
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