描述
根据梯形图中各触点的状态和逻辑关系，求出与图中各线圈对应的编程元件的状态，称为梯形图的逻辑解算。梯形图中逻辑解算是按从左至右、从上到下的顺序进行的。解算的结果，马上可以被后面的逻辑解算所利用。逻辑解算是根据输入映像寄存器中的值，而不是根据解算瞬时外部输入触点的状态来进行的。
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TOL-O-MATIC 0008-18AL ACTUATOR 000818AL NIB
SIEMENS HJXD63B-400 CIRCUIT BREAKER HJXD3B400
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YASKAWA SERVOPACK SGD-04AS SERVO DRIVE SGD04AS NIB
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ALLEN BRADLEY 2711-K6C8 SER. C PANELVIEW 2711K6C8
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SQUARE D 30531-170-52 C700H DATA ENTRY PANEL W/ CABLE
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AMK DV4-1-4-0B0 SERVO MOTOR DV4140B0
