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5.4 Network Dedicated Instruction
5.4.8 READ instruction
5-151
J_READ, G_READ
5
MODULE DEDICATED
INSTRUCTION
J_READ, G_READ
[ST]
IF (LDP(TRUE,Var_Flag_Inst) THEN
MOV(TRUE,H81,Var_ControlData[0]); (* Sets error completion type *)
MOV(TRUE,1,Var_ControlData[2]); (* Sets channel used by host station *)
MOV(TRUE,H0,Var_ControlData[3]); (* Sets target station's CPU type *)
MOV(TRUE,1,Var_ControlData[4]); (* Sets target station network number *)
MOV(TRUE,4,Var_ControlData[5]); (* Sets target station number *)
MOV(TRUE,0,Var_ControlData[6]);
MOV(TRUE,0,Var_ControlData[8]); (* Sets monitoring time *)
MOV(TRUE,5,Var_ControlData[9]); (* Sets data length by the word *)
MOV(TRUE,0,Var_ControlData[10]);
END_IF;
IF((Var_Flag_Exe=TRUE) AND (SB47=FALSE) AND (SW0A0.3=FALSE)) THEN
MOV(TRUE, 5, Var_ControlData[7]); (* Sets number of resends *)
JP_READ(TRUE,1,Var_ControlData,D250,D700,Var_Result);(* Performs readout *)
END_IF;
IF(Var_Result[0]=TRUE)THEN (* Execution finished *)
IF(Var_Result[1]=FALSE)THEN (* Normal completion *)
ELSE (* Error completion *)
MOV(TRUE, Var_ControlData[1], Var_ErrorCode);(* Stores error code *)
END_IF;
END_IF;
(* Process on completion of readout *)
(* Process on normal completion *)
(* Process on error completion *)