Appeal No. 1998-1106
Application No. 08/593,110
Claim 1 is the only independent claim on appeal, and it
reads as follows:
1. A data logging apparatus for use as control
equipment in a facility or machine, comprising:
a plurality of programmable logic controllers connected
to each other through communications links, one of said
programmable logic controllers being an administrative
programmable logic controller which includes a memory; and
a factory automation (FA) controller connected to said
administrative programmable logic controller through a
communications link,
said administrative programmable logic controller
executing a data logging program which accumulates in said
memory data generated by the administrative programmable logic
controller and data generated by others of said programmable
logic controllers, and which sends data accumulated in said
memory to said FA controller, such that said administrative
programmable logic controller acts as a buffer between said
plurality of programmable logic controllers and said FA
controller.
The references relied on by the examiner are:
Burke 4,972,367 Nov. 20, 1990
Kabe 1 4201361 Aug. 6, 1992
(German Patent Application)
Claims 1 through 13 stand rejected under 35 U.S.C. §
103(a) as being unpatentable over Kabe in view of Burke.
1A copy of the translation of this reference is attached.
2
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