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Title:
ANALYZING SYSTEM USING PLC
Document Type and Number:
Japanese Patent JP2011038854
Kind Code:
A
Abstract:

To prevent the lowering of the communication frequency with another analyzing device even in a case that there is communication abnormality in a part of a plurality of analyzing devices.

This analyzing system is equipped with a plurality of the analyzing devices and PLC 3 for performing the transmission and reception of sequential data between a plurality of the analyzing devices by semi-duplex communication. The PLC 3 removes the analyzing device, wherein communication abnormality such that the response of a command is not completed within the predetermined time after the transmission of the command is produced a predetermined number of times, from the transmission object of the command to perform the transmission and reception of the sequential data with respect to the other analyzing device.


Inventors:
YAMAGUCHI KATSUKI
YAMASHIRO HIDEO
Application Number:
JP2009185122A
Publication Date:
February 24, 2011
Filing Date:
August 07, 2009
Export Citation:
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Assignee:
HORIBA LTD
International Classes:
G01N35/00
Domestic Patent References:
JP2001165816A2001-06-22
JP2002506962A2002-03-05
Foreign References:
WO2009092548A12009-07-30
Attorney, Agent or Firm:
Ryuhei Nishimura
Akiko Sato
Saito Shindai



 
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