Title:
PLANT MONITORING DEVICE
Document Type and Number:
Japanese Patent JP2002023840
Kind Code:
A
Abstract:
To solve the problem that readiness to emergency information lacks since it is necessary to read various information stored in a plant monitoring device connected to a control bus in a fixed cycle or as necessary, and to detect any abnormality in a conventional plant monitoring device connected to an LAN.
A plant monitoring device 10 connected to a control bus 20 for collecting the state information of plant equipment, and for monitoring and operating a plant from a display device is provided with a function for monitoring the state of a control bus and the state of a controller connected to the control bus 20, and for, when any abnormality is detected, announcing the result to a plant monitoring device 50 connected to an LAN 40.
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Inventors:
SATO NAOFUMI
Application Number:
JP2000201489A
Publication Date:
January 25, 2002
Filing Date:
July 03, 2000
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G05B23/02; (IPC1-7): G05B23/02
Attorney, Agent or Firm:
Masuo Oiwa