Word Logic Operations; And, Or, And Xor Logic Operation Instructions - Siemens S7-1200 System Manual
Hide thumbs
Also See for S7-1200:
- Operating instructions manual (132 pages) ,
- Programming manualline (74 pages) ,
- Manual (46 pages)
Table of Contents
Note
After executing the last instruction, the code block automatically returns to the calling block.
Do not insert a RETURN instruction at the end of the code block.
7.9
Word logic operations
7.9.1
AND, OR, and XOR logic operation instructions
Table 7- 128 AND, OR, and XOR logic operation instructions
LAD / FBD
SCL
out := in1 AND in2;
out := in1 OR in2;
out := in1 XOR in2;
For LAD and FBD: Click the "???" and select a data type from the drop-down menu.
1
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 7- 129 Data types for the parameters
Parameter
IN1, IN2
OUT
The data type selection sets parameters IN1, IN2, and OUT to the same data type.
1
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.
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
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.
Data type
Byte, Word, DWord
Byte, Word, DWord
Description
AND: Logical AND
OR: Logical OR
XOR: Logical exclusive OR
Description
Logical inputs
Logical output
Basic instructions
7.9 Word logic operations
275
Table of Contents
