Plant monitoring system
US4933885A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Apr 15, 1988 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Apr 15, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B23/0272
- WIPO fieldControl
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.