描述
应该注意的是,同一企业应尽量做到机型统一。这样,同一机型的PLC模块可互为备用,便于备品备件的采购和管理;同时,其统一的功能及编程方法也有利于技术力量的培训、技术水平的提高和功能的开发;此外,由于其外部设备通用,资源可以共享,因此,配以上位计算机后即可把控制各独立系统的多台PLC联成一个DCS系统,这样便于相互通信,集中管理。
SYMBOL MOTOROLA DS9808-LR20007C2WR SCNR:DS9808-LR W RFI
SYMBOL MOTOROLA AP-7131N-66S70-US AP-7131N: 3-RADIO AP
Motorola Symbol MC9090-G Mobile Computer – Refurbished
Symbol Motorola MC9090-GF0HJEFA6WR
MC9090 Color Laser Win Mobile- Win CE also available
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Lot of 50 NEW Batteries For Symbol Motorola MC70, MC75
Lot of 50 NEW Batteries For Symbol Motorola 82-71364-03
Lot 50 New Batteries For Symbol Motorola BTRY-MC7XEAB00
SYMBOL MOTOROLA DS9808-LL20007C1WR SCNR:DS9808-LL WITH
Symbol Motorola MC9090-GF0HJEFA6WW w/ Cradle
Gun, Laser, Color, 53key, Win Mobile, Audio
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SYMBOL MOTOROLA DS9808-LR20007C2WR SCNR:DS9808-LR W RFI
SYMBOL MOTOROLA DS9808-SR00007C1WR SCNR:DS9808-SR WITH
SYMBOL MOTOROLA DS9808-SR00007C2WR SCNR:DS9808-SR W RFI