程序

//點動陳序
IF “點動啟動” = 1 THEN
“KM1點動” := 1;
ELSE
“KM1點動” := 0;
END_IF;

// 起保停電路
IF “自鎖啟動” = 1 THEN
“kM2輸出” := 1;
END_IF;
IF “自鎖停止” = 1 THEN
“kM2輸出” := 0;
END_IF;

//雙重連鎖正反轉
IF “正轉啟動” = 1 AND “反轉啟動” = 0 THEN
“km3反轉” := 0;
“KM3正轉” := 1;
END_IF;
IF “反轉啟動” = 1 AND “正轉啟動” = 0 THEN
“KM3正轉” := 0;
“km3反轉” := 1;
END_IF;
IF “停止正反轉” = 1 THEN
“km3反轉” := 0;
“KM3正轉” := 0;
END_IF;

//星角降壓啟動
IF “星角啟動”=1 AND “星角停止”=0 THEN
“KM1” := 1;
“KM2(星)”:=1 ;
END_IF;
“T1”.TON(IN:=”KM1″,//延時接通 T1，KM1得電是T1開始計時 ，5秒
PT:=t#5S);
IF “T1”.Q = 1 AND “星角停止”=0 THEN
“KM2(星)” := 0;
“KM3（角）”:=1;
END_IF;
IF “星角停止” = 1 THEN//停止
“KM1” := 0;
“KM2(星)” := 0;
“KM3（角）” := 0;

END_IF;

//雙速電機低速啟動5秒后高速運行
IF “雙速啟” = 1 THEN //低速運行
“雙速km1” := 1;
END_IF;
“T2”.TON(IN:=”雙速km1″, //計時5秒
PT:=T#5S);
IF “T2”.Q = 1 THEN //T2得電時，高速運行
“雙速km1” := 0;
“雙速km2” := 1;
“雙速km3” := 1;
END_IF;
IF “雙速停” = 1 THEN // 停止
“雙速km1” := 0;
“雙速km2” := 0;
“雙速km3” := 0;
END_IF;

總結

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