电 力 建 设 Electric Power Construction 第 31卷 第 2期 2010年 2月 Vol.31,No.2 Feb,2010 ABSTRACT: The paper introduces DCS design and configuration in Guodian Zhejiang Beilun 2×1 000 MW unit briefly, including controller distribution, I/O distribution, reliability, image, list annunciation and optical mark alarm, etc. A series of design principles were determined at the beginning of DCS project, which avoide