Plant monitoring system

Details Plant monitoring system Plant monitoring system

1988-04-15

1990-06-12

Lall, Parshotam S.

Boots, shoes, and leggings

364492, 364494, 340721, G06F 1546, G06F 3153

Patent

active

049338854

ABSTRACT:
A plant monitoring system having a memory unit for storing process variables and relationship data between main monitor screens and sub-monitor screens, a display unit including a main display area, an auxiliary display area, a main monitor screen selection area, a sub-monitor screen selection area and an alarm occurrence display area, and a control unit for controlling the whole system. By requesting from the main monitor screen selection area, a main monitor screen is usually displayed in the main display area, and one of the related sub-monitor screens is displayed in the sub-monitor screen area upon an operator's request from the already displayed sub-monitor screen selection area. When an alarm occurs, an alarm screen is displayed in the main displayed area.

REFERENCES:
patent: 4280060 (1981-07-01), Kure-Jensen et al.
patent: 4550379 (1985-10-01), Kawai et al.
patent: 4563746 (1986-01-01), Yoshida et al.
patent: 4707778 (1987-11-01), Yamada et al.
patent: 4712191 (1987-12-01), Penna
patent: 4742445 (1988-05-01), Watanabe
patent: 4783648 (1988-11-01), Homma et al.
patent: 4806919 (1989-02-01), Nakayama et al.

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