F156_STRG

Set sampling trigger

This instruction sets the sampling trigger that stops the sampling after the delay specified by the sampling trace parameters.

F156_STRG can be used with both sampling modes "per Scan" and "per Time Interval".

Remarks

Specify the sampling points using Control FPWIN Pro:

Flags: 16 points

Available for (FP format): X, Y, R, L, T, C
Data: 3 words

Available for (FP format): WX, WY, WR, WL, SV, EV, DT, LD, FL

Example

POU header

All input and output variables used for programming this function have been declared in the POU header. The same POU header is used for all programming languages.

	VAR
		start: BOOL:=FALSE;
			(*activates the function*)
	END_VAR

POU body

When the variable start is set to TRUE, the function is carried out.

LD body

BODY
    WORKSPACE
        NETWORK_LIST_TYPE := NWTYPELD ;
        ACTIVE_NETWORK := 0 ;
    END_WORKSPACE
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 5 ;
        NETWORK_BODY
B(B_CONTACT,,start,4,1,6,3,);
B(B_F,F156_STRG!,Instance,8,0,15,3,,?DEN?AENO);
L(1,2,4,2);
L(6,2,8,2);
L(1,0,1,5);
        END_NETWORK_BODY
    END_NET_WORK
END_BODY

ST body

IF start then
    F156_STRG();
END_IF;