Parallel processing in a multitasking industrial controller
US5627745A · kind A · utility
24Cited by
10References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1995 |
| Grant date | May 6, 1997 |
| Priority date | — |
| Expiry date | May 3, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/25343
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A method and apparatus for providing multitasking of a plurality of requests queued as a list in a single task of an industrial controller, each request including one or more separate segments. State information relating to each request being minimal at the end of each segment. The method processing the requests on a round-robin basis, interrupting each request only at the end of each segment so as to minimize the memory required to store the state information.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.