图4profibusdp组态
系统中为了减少现场与控制室之间的控制线路的铺设以及外部干扰信号的传输,采用profibusdp,只采用一条通讯线路将分布式i/o设备同控制器cpu相连,dp主站通过profibusdp同分布式i/o设备交换数据并监视profibusdp数据,如图4所示。分布式i/o设备(=dp从站)收集现场传感器和执行器数据,以便能够通过profibusdp传输到控制器cpu。
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OBERDORFER PUMPS INC. N994R
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COEL FK63A4 AC
HonEYWELL 82407387-001 PC
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PROLOG 7709-16N MEMORY
GENERAL ELECTRIC DS3800NGPA1B1C PC
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GLUNZ & JENSEN 56039
ALLEN BRADLEY 119471
FANUC A16B-1211-0272 / 01A PC
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FANUC A250-0492-T001