Filter
Top Products
7-10
7.3 SOCRCV Instruction
SP_SOCRCV
Program Example
The following program reads data received from the external device.
[Structured ladder/FBD]
[ST]
IF((Var_Flag_Inst=TRUE) &(SD1282.0=TRUE) &(SD1286.0=TRUE)
&(Var_Result[0]=FALSE))THEN
SP_SOCRCV (TRUE, "U0", 1, Var_ControlData, D500, Var_Result);
(* Reads data from the connection number 1 *)
END_IF;
IF(Var_Result[0]=TRUE)THEN (* Execution finished *)
IF(Var_Result[1]=FALSE)THEN (* Normal completion *)
SET(TRUE, Var_Flag_Normal); (* Turns normal completion flag ON *)
ELSE (* Error completion *)
SET(TRUE, Var_Flag_Error); (* Turns error completion flag ON *)
END_IF;
END_IF;
Reads data from
the connection
number 1
Turns normal
completion flag ON
Turns error
completion flag OFF