138
9 CREATING A HARDWARE LOGIC
9.2 Multi Function Counter Block
B: Fall
Bit
OFF
ON
OFF
When the fall of "Input B" has been detected, Output
turns to High only for one clock cycle. The status of
"Input A" does not affect the status of Output.
B: Low
Bit
OFF
ON
OFF
While "Input B" is Low, Output is High. The status of
"Input A" does not affect the status of Output.
B: High
Bit
OFF
ON
OFF
While "Input B" is High, Output is High. The status of
"Input A" does not affect the status of Output.
A: Rise+B: Low
Bit
OFF
ON
OFF
When the rise of "Input A" and the Low state of "Input
B" have been detected, Output turns to High only for
one clock cycle.
A: Rise+B: High
Bit
OFF
ON
OFF
When the rise of "Input A" and the High state of "Input
B" have been detected, Output turns to High only for
one clock cycle.
A: Fall+B: Low
Bit
OFF
ON
OFF
When the fall of "Input A" and the Low state of "Input B"
have been detected, Output turns to High only for one
clock cycle.
A: Fall+B: High
Bit
OFF
ON
OFF
When the fall of "Input A" and the High state of "Input
B" have been detected, Output turns to High only for
one clock cycle.
Variable name
Data type
Valid range
Default value
Description
Input A
Input B
Output
Input A
Input B
Output
Input A
Input B
Output
Input A
Input B
Output
Input A
Input B
Output
Input A
Input B
Output
Input A
Input B
Output
Содержание MELSEC-L Series LD40PD01
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