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Mitsubishi Electric MELSEC-L Series LD40PD01 - Logical Operation Block

Mitsubishi Electric MELSEC-L Series LD40PD01
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122
9 CREATING A HARDWARE LOGIC
9.1 Main Blocks in the Hardware Logic Outline Window
Logical operation block
In the fourth section in the hardware logic outline window, 14 logical operation blocks ("Logic_Operation_0" to
"Logic_Operation_D") can be arranged.
Any logical operation of AND operation, OR operation, or XOR operation is executed for all signals input to the "Input"
terminal.
Even though a project including an unlinked logical operation block for which Logic Select is set to AND
(default) is saved, the arrangement status is not saved. When the saved project is opened, the logical
operation block is not displayed. In addition, verifying with the module is executed on the assumption that the
block is not arranged.
Input
The following table shows the input of the logical operation block.
*1 When a logical operation block is linked with an OUT terminal, any of OUT 0 to OUT 7 or OUT 0_DIF to OUT 5_DIF can be used.
*2 Either of an OUT terminal or Y device terminal can be linked with a logical operation block.
Parameter
The following table shows the parameter of the logical operation block.
Output
The following table shows the output of the logical operation block.
Variable name Data type Linkable block Valid range Description
Input Bit External input
•OUT
*1*2
Y device
*2
0, 1 Multiple signals can be input to the "Input" terminal.
Operations are executed for all input signals.
Variable name Data type Valid range Default value Description
Logic Select Word AND
OR
XOR
AND Set the operation type for input signals.
Variable name Data type Linkable block Output value Description
Output Bit External output 0, 1 Outputs the operation results of input signals.
Outline

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