Delta Electronics DVP15MC11T User Manual

Chapter 8 Logic Instructions
8_
8.3.2 F_TRIG
FB/FC
Explanation
Applicable
model
FB
F_TRIG is used for the falling edge trigger. DVP15MC11T
 Parameters
Parameter
name
Meaning
Input/
Output
Description Valid range
CLK
Input
signal
Input Falling edge trigger signal TRUE or FALSE
Q
Output
signal
Output Output for a period TRUE or FALSE
Boolean
Bit string Integer
Real
number
Time, date
String
BOOL BYTE WORD DWORD LWORD USINT UINT UDINT ULINT SINT INT DINT LINT REAL LREAL TIME DATE TOD DT STRING
CLK
●
Q
●
Note:
The symbol ● indicates that the parameter is allowed to connect to the variable or constant of the data type.
 Function Explanation
When CLK of F_TRIG changes from TRUE to FALSE, Q output is TRUE for only one period. In other
circumstances, Q is FALSE.
 Precautions for Correct Use
Q will have no output until the falling edge signal at CLK is detected.

Programming Example
 The variable table and program
Variable name
Data type
Initial value
F_TRG
F_TRIG
F_TRG_EN
BOOL
FALSE
F_TRG_CLK
BOOL
FALSE
F_TRG_Q
BOOL
F_TRIG
EN ENO
CLK
Q
F_TRIG_instance
1
F_TRIG
EN ENO
CLK Q
F_TRG
F_TRG_EN
F_TRG_CLK
F_TRG_Q
8-9

Delta Electronics DVP15MC11T Specifications

General

Brand	Delta Electronics
Model	DVP15MC11T
Category	Controller
Language	English