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歐姆龍CPM1A系列PLC執(zhí)行子程序調(diào)用指令的過程要注意的問題

發(fā)布日期:2022-04-26 點(diǎn)擊率:199 品牌:歐姆龍_Omron

    歐姆龍CPM1A系列PLC執(zhí)行子程序調(diào)用指令的過程要注意的問題:

    (1)指令SBS必須滿足執(zhí)行條件時(shí),才能調(diào)用子程序。

    (2)子程序段必須用指令SBN/RET來定義。

    (3)子程序必須放在主程序之后、指令END之前。

    (4)子程序不能自調(diào)用。

    (5)子程序嵌套不能超過16級(jí)。

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