The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 30, 2021

Filed:

Sep. 06, 2019
Applicant:

Keyence Corporation, Osaka, JP;

Inventor:

Tetsuya Miyasaka, Osaka, JP;

Assignee:

KEYENCE CORPORATION, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/05 (2006.01);
U.S. Cl.
CPC ...
G05B 19/058 (2013.01); G05B 19/054 (2013.01);
Abstract

A PLC collects a device value stored in any one of a plurality of devices and stores information relating to collecting time at which the device value is collected and the device value in association with each other in a first buffer. The PLC collects data input from a monitoring apparatus and stores information relating to acquiring time at which the data is acquired and the data in association with each other in a second buffer. A saving section saves, when a predetermined saving condition is satisfied, the device value and the information relating to the collecting time stored in the first buffer, and the data and the information relating to the acquiring time stored in the second buffer in correspondence with each other.


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