Multi-language generation of control program for an industrial controller
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United States of America Patent
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Apr 2, 1996
Grant Date -
N/A
app pub date -
Dec 1, 1993
filing date -
Dec 1, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method and system for generating a control program executable by an industrial controller, wherein the control program is formed using instructions from a high-level text-based language and instructions from a ladder-based language. A source program is received by a host computer. At least one instruction of the source program in the high-level text-based language is displayed on a display device along with a corresponding ladder diagram of the source program in the ladder-based language. The source program is edited in either the high-level text-based language using a first editor or the ladder-based language using a second editor. Modifications of the source program made using the first editor and the second editor are converted to a lower-level language representation. The lower-level language representation is convertible to both the high-level text-based language and the ladder-based language, so that modifications made in the high-level text-based language dynamically update the ladder diagram display and modifications made in the ladder-based language dynamically update at least one line of displayed text.
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