SUPERVISORY CONTROL SYSTEM AND ITS COMMUNICATION METHOD
PROBLEM TO BE SOLVED: To obtain a supervisory control system where main functions and communication control functions are extended, and information is easily managed, and also to obtain the supervisory control system that is built with an inexpensive network without having to provide a processing ca...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To obtain a supervisory control system where main functions and communication control functions are extended, and information is easily managed, and also to obtain the supervisory control system that is built with an inexpensive network without having to provide a processing capability higher than required for a slave station, while ensuring requested reliability. SOLUTION: A slave station properties 6-1 (to 6-N) is set to each slave station 2-1 (to 2-N) and master station properties 5-5 to 5-X are set to a master station 1. The master station 1 acquires copies 7-7 to 7-N of the slave station properties 6-1 to 6-N set in the slave stations 2-1 to 2-N and conducts data communication with the slave stations 2-1 to 2-N, in response to the master station properties 5-5 to 5-X and the slave station properties 7-1 to 7-N. |
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