Apparatus and method for controlling a system process

Details Apparatus and method for controlling a system process Apparatus and method for controlling a system process

1994-08-15

1996-12-03

Oberley, Alvin E.

Boots, shoes, and leggings

364131, 364191, 3649492, 364DIGII, 395701, G05B 1905, G05B 19418

Patent

active

055817599

ABSTRACT:
A process controlling method and apparatus which uses a flowchart language program and ladder programs with an intermediate register accessible using the same name by both the flowchart language program and the ladder programs. Each ladder program defines the operation of a machine, including an interlock condition of the machine operation. The flowchart language program defines an automatic operation flow which sequentially activates the ladder programs using the data in the intermediate register. This arrangement allows the flowchart language program to be separated from the ladder programs improving productivity, serviceability and security of the programs.

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Yasukawa Denki, No. 1989, "Control Pack CP-3300".

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