描述
互锁指令IL和互锁清除指令ILC用来在梯形图的分支处形成新的母线，使某一部分梯形图受到某些条件的控制。IL和ILC指令应当成对配合使用，否则出错。IL/ILC指令的功能是：如果控制IL的条件成立（即ON），则执行互锁指令。若控制IL的条件不成立（即OFF），则IL与ILC之间的互锁程序段不执行，即位于IL/ILC之间的所有继电器均为OFF，此时所有定时器将复位，但所有的计数器，移位寄存器及保持继电器均保持当前值。
Includes 2 Year Replacement Warranty
Motorola DS6878-SR20001WR -Motorola Symbol DS6878-SR
Includes 2 Year Replacement Warranty
Symbol Motorola MC9090-K Excellent Condition, Orig Box
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Symbol or Motorola MC9060 MC 9060-G MC 9060
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Motorola LS3408-ER20185R -Motorola Symbol LS3408-ER
