题目内容
S7-1200的编程主要使用梯形图LAD、函数块图FBD和结构化控制语言SCL。
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结构化控制语言SCL是一种基于PASCAL的高级编程语言。SCL特别适用于数据管理、过程优化、配方管理和数学计算、统计任务。
用逻辑代数中的1和0来表示数字量控制系统中变量的两种相反的工作状态。
CPU有3种工作模式：RUN、STOP与STARTUP。可以用编程软件改变CPU的工作模式。
Task 2 Fill in the blanks with the given words or expressions. Change the form where necessary.1. I have found a way _____________________ this process.2. John ______________ his savings because of his new house.3. When you do something with faith, it'll _____________ success.4. You are kind and generous to others, and you are never too busy to _____________..5. In that case, we must stay together or none of us _____________..6. He was happy and _______________ in his old home.
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