Programmable controller with control program comments
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United States of America Patent
Stats
-
Dec 11, 1984
Grant Date -
N/A
app pub date -
Sep 20, 1982
filing date -
Sep 20, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The control program for a programmable controller is entered and edited through a program terminal which displays the control program symbolically as a ladder diagram. Comment instructions are entered into the control program and associated comment data is entered and stored. The comment data is subsequently displayed by the program terminal along with the ladder diagram rung containing the comment instruction.
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Cited Art Landscape
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