描述
与常规的集中式控制系统相比有如下特点:
1、实现了分散控制。它使得系统控制危险性分散、可靠性高、投资减小、维护方便。
2、实现集中监视、操作和管理。使得管理与现场分离,管理更能综合化和系统化,
3、采用网络通信技术,这是DCS的关键技术,它使得控制与管理都具实时性,并解决系统的扩充与升级问题。
cradle & bat MC9060-G
WIN CE warrnty included
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Symbol / Motorola MC7094-PUCDJRHA8WR with warranty
pre-owned with warranty MC7094-PUCJRHA7WR
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Motorola Symbol MC9090-KU0HJFFA6WR ethernet cradle 2GB
MOTOROLA SYMBOL MC3090 BARCODE SCANNER WIFI PDA MC3000
MOTOROLA MC3000 SYMBOL BAR CODE SCANNER MOBILE COMPUTER
3 x Motorola MS-2207-I000R Symbol MiniScan Bar Scanner
Symbol / Motorola MC9090-S MC9090-SU0HCAFA6WR
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Motorola Symbol MC70 MC7090PU0DCQFA7R Handheld PocketPC