Programmable controller monitoring system for simultaneous multiple line display of original and updated data program execution
US4792918A · kind A · utility
7Cited by
14References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1988 |
| Grant date | Dec 20, 1988 |
| Priority date | — |
| Expiry date | Jan 25, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/14098
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Not any special display is required to provide a monitor displaying of I/O data and timer/counter data during operation of programmable controller. Instead, the display of program console will be utilized to display instruction codes and addresses or error messages in characters. Multiple number of sets, in which the numbers of either I/O data or timer/counter data which optionally specified with numbers, are displayed simultaneously on the character display of the program console.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.