Programmable controller and program capacity changing method the

Details Programmable controller and program capacity changing method the Programmable controller and program capacity changing method the

1994-12-28

1997-03-11

Ruggiero, Joseph

Boots, shoes, and leggings

364146, G06F 1900

Patent

active

056108095

ABSTRACT:
A programmable controller comprises a user memory in which a plurality of programs each divided to functional blocks or data are stored as files and a user memory management table in which data on storage space, attribute, and capacity of each file is stored. This structure enables newly writing a file from a peripheral device, changing a capacity of each file, and freely accessing each file maintaining continuity of file data.

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Paul G. Caspers: "Aufbau von Betriebssystemen". Sammlung Goschen Band 7013, Walter de Gruyter, Berlin New York 1974, pp. 74-78.
Thomas Haindl: "Einfuhrung in die Datenorganisation", Physica Verlag Wurzburg Wein 1982, pp. 15, 16.
Peter Wratil: "Speicheprogrammierbare Steuerugen in der Automatisierungstechnik", Vogel Buchverlag Wurzburg 1989, pp. 85-98.

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