Programming method and apparatus for programmable controller
US5699080A · kind A · utility
8Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1993 |
| Grant date | Dec 16, 1997 |
| Priority date | — |
| Expiry date | Aug 9, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B19/056
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
In a sequence program constructed by forming a ladder diagram on a display screen, an element corresponding to a minimum unit of the ladder diagram is arranged by a symbol element and a character element. Inputting and amending operations of the ladder diagram are performed by a first cursor for designating each element and a second cursor for designating the character element of the element designated by this first cursor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.