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.

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该方法将PCI总线接口和控制逻辑集成于一片FPGA中，提高了系统的集成度和可移植性。

The method which integrates PCI bus interface and control logic into a FPGA chip improves the integration density and transplantation of system.

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在设计上除模拟控制及总线驱动等器件外，尽量采用FPGA来实现控制逻辑以提供应用平台的可扩展性。

Except for the analogue controlling and bus driving devices, we use FPGA to implement controlling logic in order to provide expansibility of application platform.

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