描述
“组与”指令（ANS）是用来串联指令块的。每一指令块以ST或ST/指令开始，可以多个指令块串联。编写指令表时可以用两种书写方法，一种方法是先输入两个触点组块，将其“块与”（ANS）后与第三个组块再“块与”以此类推，直至把所有的触点组输入完毕。另一种方法是先连续输入触点组，再连续进行“块与”操作
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