Basic instructions
8.9 Word logic operations
S7-1200 Programmable controller
326 System Manual, V4.2, 09/2016, A5E02486680-AK
Word logic operations
8.9.1
AND, OR, and XOR logic operation instructions
Table 8- 167 AND, OR, and XOR logic operation instructions
AND: Logical AND
XOR: Logical EXCLUSIVE OR
1
For LAD and FBD: Click the "???" and select a data type from the drop-down menu.
To add an input, click the "Create" icon or right
-click on an input stub for one of the
existing IN parameters and select the "Insert input" command.
To remove an input, right-click on an input stub for one of the existing IN parameters (when
there are more than the original two inputs) and select the "Delete" command.
Table 8- 168 Data types for the parameters
1
The data type selection sets parameters IN1, IN2, and OUT to the same data type.
The corresponding bit values of IN1 and IN2 are combined to produce a binary logic result at
parameter OUT. ENO is always TRUE following the execution of these instructions.
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