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Program example
• The following program receives data with an interrupt program.
[Structured ladder/FBD]
[ST]
(* Set the normal/error confirmation flag for the main program *)
(* The main program resets flags *)
SET(DX3, Var_Flag_Normal); (* Turns normal completion flag ON *)
SET(DX4, Var_Flag_Error); (* Turns error completion flag ON *)
(* Receives data from CH1 and stores the data in devices starting from D200 *)
Z_BUFRCVS(SM400, "00", 1, D200); (* Executes interrupt receive program *)
Turns normal completion
flag ON
Turns error completion
flag ON
Executes interrupt
receive program
5 MODULE DEDICATED INSTRUCTION
5.3 Serial Communication Instruction
5
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