LD X0(SB1接X0) → OUT Y0(HL1接Y0)
LD X0 → AND X1 → OUT Y0
LD X0 AND X1 OUT Y0
LD X0 OR Y0 (自鎖觸點(diǎn),保持Y0導(dǎo)通) AND X1 (停止按鈕常閉,斷開時(shí)切斷電路) OUT Y0
程序: LD X0 OR Y0 AND Y1(互鎖:反轉(zhuǎn)時(shí)切斷正轉(zhuǎn)回路) OUT Y0 LD X1 OR Y1 AND Y0(互鎖:正轉(zhuǎn)時(shí)切斷反轉(zhuǎn)回路) OUT Y1
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