例如，Wago公司的RS-232 I/O模块能接入其可编程现场控制器（programmable field controller ，PFC），数据来多达64 个I/O模块和90个模块类型，并通过4-20 mA连线、Profibus 或Eth...
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为了排除人为干扰、提高可靠性，采集数据以可编程逻辑控制器为核心，通过现场总线和以太网的多层网络传送至数据库中。
To avoid interfering by work, data were sampled through a multi-layers network which synthesize the field-bus and Ethernet and center on programmable logic controller.
设计出了一种基于可编程自动控制器(PAC)，采用现场总线和I7000系列分布式数据采集模块组成的潮汐模拟控制系统。
In this sense, the control system based on programmable automation controller (PAC) for simulating tide with field bus and I7000 distributed data acquisition units was developed.
通过利用现场可编程门阵列fpga设计微控制器的接口电路，使得电路的设计变得简单灵活。
The design of interface circuits of micro controller becomes simple and flexible due to using FPGA.
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