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5.4 Network Dedicated Instruction
5.4.25 OPEN instruction
5-223
ZP_OPEN
5
MODULE DEDICATED
INSTRUCTION
ZP_OPEN
[ST]
IF(SM400=TRUE)THEN
(* Always ON *)
MOV(TRUE,U0\G20480,K4M0);
(* Open completed signal/connection 1 open completion signal *)
MOV(TRUE,U0\G20482,K4M20);
(* Open request signal/connection 1 open request signal *)
END_IF;
IF(Var_Flag_Inst=TRUE)THEN (* When instruction flag is ON*)
PLS(TRUE,Var_Flag_Exe); (* Turns execution flag ON *)
END_IF;
IF((Var_Flag_Exe=TRUE) AND (X19=TRUE)
(* Execution flag/initialization normal completion signal *)
AND (M0=FALSE) AND (M20=FALSE))THEN
(* Connection 1 open completion signal/connection 1 open request signal *)
ZP_OPEN(TRUE,"U0",1,D100,Var_Result); (* Opens connection *)
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 *)
END_IF;
IF(Var_Result[1]=TRUE)THEN (* Error completion *)
SET(TRUE, Var_Flag_Error); (* Turns error completion flag ON *)
END_IF;
END_IF;
*1 : For divisions of and in the program, is necessary when the [Open settings] of GX Works2 is
used and is necessary when it is not used.
(*Use GX Works2-[Open settings]*)
MOVP(TRUE,H0,D100);
(*Execution type*)
*1
(*Use D100-[control data]*)
MOVP(TRUE,H8000,D100);
(*Execution type*)
MOVP(TRUE,H0,D102);
(*Application setting*)
MOVP(TRUE,H1000,D103);
(*Host station port number*)
DMOVP(TRUE,H0A6155DF,D104);
(*Destination IP address*)
MOVP(TRUE,H2000,D106);
(*Destination port number*)
*1