Delta Electronics DVP10MC11T [191/375] F_trig

4. Motion Control Instructions

DVP-MC operating manual 4-147

4.6.45. F_Trig

API

F_Trig

Falling edge triggering

Controller

172

10MC11T

Explanation of the instruction:

F_Trig is used to trigger via falling edge of CLK bit to make Q bit generate the high level for one scan cycle.

When EN is On and CLK turns on -> off, Q outputs the high level for one scan cycle.

Explanation of input and output parameter of the instruction

Parameter

name

Explanation

Data

type

Available

device

EN “F _Trig” is executed as “EN” turns on. BOOL M,I,Q, constant

CLK The falling edge triggering BOOL M,I,Q, constant

The falling edge of CLK makes Q be in on status for one

cycle when the instruction is being executed.

BOOL M,Q



Program example

As I0=On and M0 turns on -> off via the trigger of the falling edge, "F_Trig" instruction is executed; "Q0"

outputs the pulse once and the length of the pulse is one scan cycle.

Sequence chart: