US Patent Application No: 2003/0033,453

Number of patents in Portfolio can not be more than 2000

Method and device for message communication for programmable controller

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Abstract

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Prior art (1) involves a problem that a useless processing is always done even if the user does not use message communication; and prior art (2) involves a problem that the user has to describe a function in a program, and therefore this may be more trouble than prior art (1) and the technical level of the user is required to be high enough to describe the function correctly. A message communication method and device for a programmable controller according to the invention having both advantages of prior arts (1) and (2) and comprising a CPU module and a communication module is characterized in that the transmission parameter of the communication module is defined (Q2), and the user selects (SW) one of the settings: one is such that message communication (S2) is automatically done, and the other is such that the user can describe a function (S3) for message communication.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
KABUSHIKI KAISHA YASKAWA DENKIFUKUOKA500

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakata, Hisashi Yokosuka, JP 18 155

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