In a distributed control system (DCS), a PC is often used as a master unit, manipulating several Single?chip Microcomputers (slave units), and so a DCS with powerful caculation capability is formed.

• 在分布式控制系统中,采用PC机作为上位机,调度多台下位机,从而实现计算能力强,容量大的分布式控制系统。