Mitsubishi Electric MELSEC-L Series LD40PD01 User Manual page 146

Parameter
The following tables show the parameters of the latch event detection block.
• Parameter of "Detector Select"
Variable name
Detector Select
• Parameters of "Select Box"
Variable name
A: Rise
("B: Rise" for lower-side
Detector Select for a 16-
bit multi function counter
block)
A: Fall
("B: Fall" for lower-side
Detector Select for a 16-
bit multi function counter
block)
Output
The following table shows the outputs of the latch event detection block.
Variable name
Output 0
*2
Output 1
*1 The latch event detection block and the Latch terminals of the counter timer blocks are automatically linked in the following
combinations, and the links cannot be deleted.
⋅ "Output 0" terminal (latch event detection block) and "Latch" terminal ("Counter_Timer_0")
⋅ "Output 1" terminal (latch event detection block) and "Latch" terminal ("Counter_Timer_1") (This combination cannot be used for 32-bit
multi function counter blocks.)
*2 The terminal is not displayed when a 32-bit multi function counter block is used.
9 CREATING A HARDWARE LOGIC
144
9.2 Multi Function Counter Block
Data type
Word
Data type
Rise Bit
Fall Bit
Data type
Bit
Valid range Default value
 
Valid range Default value
OFF OFF
ON
OFF OFF
ON
Linkable block Valid range
*1
Counter timer 0, 1
Description
Set the condition to detect signals. Click the [Detector
Select] button to open the "Select Box" window.
The Detector Select on the upper side is for detecting
signals of "Input A".
The Detector Select on the lower side is for detecting
signals of "Input B".
Description
When the rise of Input has been detected, Output turns
to High only for one clock cycle.
Input terminal
Output terminal
When the fall of Input has been detected, Output turns
to High only for one clock cycle.
Input terminal
Output terminal
Description
Outputs signals detected with the detector.