Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hung-Chih Wu0
Date of Patent
February 21, 2006
0Patent Application Number
107059270
Date Filed
November 13, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A programmable logic controller (PLC) with an auxiliary processing unit is disclosed. The conventional PLC with one central processing unit has the problems of low execution speed, low counting frequency, and low output clock. The auxiliary processing unit is used to assist the operation of the original central processing unit. Besides, when connecting with another PLC through an expansion interface module, the disclosed PLC also has better performance and efficiency than those of the conventional ones.
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