wHeadHolding:=0;(*写入字首地址*)
WritePoints:=10;(*写入多少个字*)
wSedDateSet[0]:=20;(*写入多少个字节*)
wReHeadHolding:=10;(*读取字首地址*)
ReadPoints:=10;
wReDataSet[0]:=20;
wECPRTCLDateSet[2]:=1;  (*指定第1个执行的协议的协议编号  ;  *) 
wECPRTCLDateSet[3]:=2;  (*指定第2个执行的协议的协议编号  ;  *) 
(*----------------------数据发送部分--------------------------*)
 
(*端口打开*)
SP_SOCOPEN(bOpenStatus AND NOT bOpenStatusOld AND 
                       NOT SD1282.1 AND(*打开完成信号*) 
                       NOT SD1284.1 AND(*打开请求信号*)  
                       SD1288.A , (*存储内置以太网端口的连接状态 1:与集线器或对象设备连接中*) 
                      U0, k2,wSocOpenSet , bSocOpenComplete);
IF bSocOpenComplete[0] THEN 
  bOpenNormalComplete:=NOT bSocOpenComplete[1];
  bOpenAbnormaComplete:=bSocOpenComplete[1];
ELSIF bCloseStatus THEN
    bOpenNormalComplete:=FALSE;
    bOpenAbnormaComplete:=FALSE;
END_IF;
                       
(*执行协议发送*)                      
SP_ECPRTCL(bSedStart AND SD1282.1 , U0 , K2 , K2 , wECPRTCLDateSet,bECPRTCLComplete );  
(*执行 SP_ECPRTCL 命令*)
IF bSedStart THEN
    IF bECPRTCLComplete[0] THEN
        bSedStart :=FALSE;
    END_IF;    
ELSE
    IF  SD1282.1 THEN
     bSedStart :=TRUE;
    END_IF;  
END_IF;  
 (*关闭端口*)     
SP_SOCCLOSE(bCloseStatus AND NOT bCloseStatusOLD ,"U0", k2,wSocCloseSet,bSocCloseComplete ); 
IF wECPRTCLDateSet[1]<>0 THEN
    wErrorCode:=wECPRTCLDateSet[1];
 ELSE
      wErrorCode:=0;
END_IF;
bSedStatusOld:=bSedStatus  ;
SM413OLD:=SM413;
bOpenStatusOld:=bOpenStatus;
bCloseStatusOLD:=bCloseStatus;