Chinese Standards Shop Partner of Google-Books Database: 169760 (Sep 14, 2019)

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Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	Related Standard
DL 451-1991	English	679	ASK	Days<=5	CDT Telecontrol Communication Protocol	Obsolete	DL 451-1991

Detail Information of DL 451-1991; DL451-1991
Description (Translated English): CDT Telecontrol Communication Protocol
Sector / Industry: Electricity & Power Industry Standard
Classification of Chinese Standard: F21
Word Count Estimation: 17,000
Date of Issue: 4/11/1991
Date of Implementation: 1/5/1992
Drafting Organization: Ministry of Energy CEC
Administrative Organization: National power remote communication Standardization Technical Committee
Regulation (derived from): China-Power-Association Standard [2014] 268; State Energy Bureau 2015 No. 1 Notice
Summary: This standard specifies the grid SCADA telecontrol protocol in circulation function, frame structure, word structure and information transfer rules. This standard applies to a remote point in a circular channel structure and byte synchronous mode of information transfer remote Telecontrol equipment and systems. This standard also applies to cyclic scheduling between telecontrol protocol forwarding information in real-time remote system.

Related standard:   DL/T 513-2016  DL/T 634.5601-2016