PROGRAMMABLE CONTROLLER AND ITS MAINTENANCE METHOD

PROBLEM TO BE SOLVED: To attain the effective maintenance of a programmable controller(PLC) to perform the maintenance job of the PLC via a communication port which is prepared for an optional CPU module. SOLUTION: A communication sub-processor D2 controls a communication port P1 independently of a...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	NAKADA HISASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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