Standard Edge Detection Function Blocks; Rising Edge Detector - Mitsubishi Electric MELSEC-Q/L Programming Manual

5.10

Standard Edge Detection Function Blocks

Rising edge detector

R_TRIG(_E)
High
Basic Process
Redundant Universal
performance
Structured ladder/FBD
R_TRIG_E
EN ENO
s d
The following function(s) can go in the dotted squares.
R_TRIG, R_TRIG_E
■Argument
Input/output Name
argument
Input argument EN
s(_CLK)
Output argument ENO
d(Q)
Processing details
■Operation processing
Turns ON (d) for one scan when (s) is turned ON.
■Operation result
• Function without EN/ENO
An operation is executed and the operation value is output from (d).
[Timing chart]
ON ON
s
OFF
ON ON
d
OFF OFF
Turns d ON at Turns d OFF at the next scan.
s
the rising of .
LCPU
ST
(EN, s, ENO, d);
R_TRIG_E
Description
Executing condition (TRUE: Execution, FALSE:
Stop)
Input
Execution result (TRUE: Normal, FALSE: Error or
stop)
Output
ON ON
ON ON
OFF OFF
Data type
Bit
Bit
Bit
Bit
ON ON
ON ON
OFF OFF
5.10 Standard Edge Detection Function Blocks
OFF
5 APPLICATION FUNCTIONS
5
177