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玄東洙,金善政,洪元杓,成烈九 한밭대학교 산업과학기술연구소 1995 논문집 Vol.3 No.-
This paper presents results of the development of energy saving technology for building automation system. As a result, the direct digital controllers are stand-alone control stations gathering data from the field devices such as sensors or controllers, alayzing them. Corresponding with central control & monitoring system and controlling the devices as programmed direct digital control has programmable logic control functions for reliable distributed direct digital control. Main software and direct digital control are our own developments which make it possible for us to extend or modify all the requirements of user's in the system promptly.