The designed operation of the machine control system on HL-2A tokamak

被引：0
|
作者：
Li, QA [1 ]
Fan, MJ [1 ]
Song, XM [1 ]
机构：
[1] SW Inst Phys, Chengdu 610041, Peoples R China
来源：
PLASMA SCIENCE & TECHNOLOGY | 2005年 / 7卷 / 05期
关键词：
communication; programmable logic controller (PLC); machine control system; HL-2A tokamak;
D O I：
暂无
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
The Ethernet and field-bus communications are used in the machine control system (MCS) of HL-2A. The control net, with a programmable logic controller (PLC) as its logic control master, an engineering control management station as its net server, and a timing control PC connected to a number of terminals, flexibly and freely transfers information among the nodes on it with the Ethernet transmission techniques. The PLC masters the field bus, which carries small pieces of information between PLC and the field sites reliably and quickly. The control net is connected into the data net, where Internet access and sharing of more experimental data are enabled. The communication in the MCS guarantees the digitalization, automation and centralization. Also provided are a satisfactory degree of safety, reliability, stability, expandability and flexibility for maintenance.
引用
收藏
页码：2985 / 2988
页数：4
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