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我寫的三菱sfc程序  啟動(dòng)關(guān)機(jī)都正常 可是關(guān)機(jī)再起動(dòng)輸出繼電器還是輸出怎么辦
LD              X1
OUT           M8040
AND           M8040
ZRST         S3         S30
LD              X0
AND           X1
SET           S3
STL            S3
OUT           Y0
OUT           T0        K15
LD               T0
SET            S20
STL             S20
OUT           Y0
OUT           Y1
OUT           T1           K50
SET           S21
STL            S21
OUT          Y0
OUT          Y1
OUT          Y2
OUT          T2       K150
LD             T2
SET           S22
STL           S22
OUT           Y0
OUT          Y1
OUT           Y2
OUT           Y3
LD              X2
OUT           S3
RET
END

梯形圖拿來(lái)看看，