同时，由于工业现场对抗电磁干扰和传输距离有比较高的要求，所以本设计采用CAN总线作为各个模块通讯的方式。
At the same time, because of high requirement of anti-electromagnetism interference and long distance this design uses CAN bus as the communication style of every module.
系统硬件采用了嵌入式PC、通讯接口卡和现场总线数据采集模块。
The hardware is constructed with embedded PC, communication card and field bus data acquisition module.
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.
介绍了一个支持现场总线的智能数据采集控制系列模块成功运用于铁路信号系统的远程控制的工程实例。
An engineering sample with intelligent data collection control series modules to support field bus and remote control of railway signal system is introduced.
针对煤矿、机场等特殊工业现场，设计了一种基于复杂可编程逻辑器件(CPLD)和光模块的光纤现场总线通讯系统。
A fiber field-bus communication system based on complex programmable logic devices (CPLD) and optical transceiver was designed for some special industrial fields such as colliery and airfields.
采用CAN总线网络通信模块SJA1000实现监控主站与底层智能仪表的连接，而仪表作为从站放置在现场。
The connection between the host and the slave intellectual meters is the CAN field bus net communication block SJA1000, and the meters as slave are placed on the industry spot.
现场部分主要由智能传感器、遥测仪、GPRS模块组成，各种智能传感器与遥测仪组成RS- 485总线通信网络。
The locale part is composed of intelligent sensor, remote indicating instrument and GPRS module. Various intelligent sensors and remote indicating instrument make up RS-485 communication network.
基于现场总线profibus，应用西门子s7- 400系列plc，通过西门子软件PCS7对各种模块进行了硬件和软件组态，设计并实现了啤酒凉酒过程的控制系统。
Based on Profibus, the control system in the process of beer brewing cooling is designed and implemented by the use of Siemens S7-400 series PLC and varieties of modules configured by PCS7.
基于现场总线profibus，应用西门子s7- 400系列plc，通过西门子软件PCS7对各种模块进行了硬件和软件组态，设计并实现了啤酒凉酒过程的控制系统。
Based on Profibus, the control system in the process of beer brewing cooling is designed and implemented by the use of Siemens S7-400 series PLC and varieties of modules configured by PCS7.
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