2014年7月10日星期四

Introduction plc cpu time control and data processing

plc cpu time control 
Time control of the various operations that a plc analog input output module of time. During the execution of an instruction, and at what time to do what action should be strictly controlled. Only in this way, the computer can automatically output module plc methodically. 
Data Processing 
That data arithmetic and logical operations, or other information processing.

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