GE Proficy Rising Edge Structured Text

Hi!

Anyone can share example of GE Proficy Rising Edge Structured Text?

I have found text as below

InstanceOfR_TRIG( CLK := inBool, Q => outBool,
ENO => outBool);

What I am getting from when the clk will be 1 Q will be1 for 0 to 1 transition.

Now what is the Instance is it my tag?Anyone can share with example it will be helpful.

Thanks.

You can do this a couple of ways.

1. Drag the R_TRIG instruction from the Toolchest into a structured text block.
It will ask you for a name.
The name you create will have a data type of R_TRIG.

2. You can create the variable first, then type it in the structured text.
Be sure to create the instance under the block. It may work as a global instance, but I would not recommend it.
When you create the variable, make its type R_TRIG.

When I am droping it from toolchest the same text just appeared in Structured Text block.

Variable should be the same which i have to use for Positive edge or it is just a new variable

For Example my Tag is P_PED

Var
Test : R_TRIG;
End_VAR

OR

Var
P_PED : R_TRIG;
End_VAR

Can you please give me an example?

GFK-2950 chapter 8 covers structured text and has many good examples. Also, there are R_TRIG and F_TRIG function blocks available if you don't want to do it in structured text.

sorry forgot to include link to GFK-2950

https://digitalsupport.ge.com/en_US...3i-CPU-Programmer-s-Reference-Manual-GFK-2950

Sapper Thanks for sharing.
Actually I am using it in ladder but I want to use it in structure block.

EXAMPLE USE
VAR
(* Declares that we want a single variable of the function block R_TRIG
We name the instance "myRisingTrigger" *)
myRisingTrigger : R_TRIG;

bInput1 : BOOL; (* This is the input we will want to see the rising edge of *)
myCounter : INT; (* Counter for number of edges *)
END_VAR
---
(* In the program we use the function block instance *)
myRisingTrigger(CLK:=bInput1);
IF myRisingTrigger.Q THEN
myCounter := myCounter + 1;
END_IF
---

myRisingTrigger.Q is true only on the rising edge of bInput1, which you can verify by watching the counter.