OPC全称是Object Linking and Embedding(OLE)for Process Control。OPC规范使系统组态化,简化系统复杂性,缩短了软件开发周期,提高了软件运行的可靠性和稳定性,便于系统的升级与维护。OPC的使用,为水电站实时监控系统上位机监控软件与...OPC全称是Object Linking and Embedding(OLE)for Process Control。OPC规范使系统组态化,简化系统复杂性,缩短了软件开发周期,提高了软件运行的可靠性和稳定性,便于系统的升级与维护。OPC的使用,为水电站实时监控系统上位机监控软件与可编程逻辑控制器(PLC)之间的数据传输提供了一条高效、可靠的新途径。本文首先介绍OPC技术,然后结合NC2000 V3.0水电厂实时监控系统介绍了GEPLC的OPC服务器的客户端软件的应用,该客户端软件可用于其他采用OPC标准的PLC,也很容易移植到其他自动化控制领域。展开更多
The design and assembly of environmental monitoring and control system for large-scale pig house with fermentation bed helped to solve the problem of environmental automatic control in piggery.The sensors would monito...The design and assembly of environmental monitoring and control system for large-scale pig house with fermentation bed helped to solve the problem of environmental automatic control in piggery.The sensors would monitor the temperature,humidity,light,wind direction,wind speed,CO2,NH3and other parameters.On-line real-time data collection was achieved.The expert system was constructed to control the temperature in piggery below 30℃,to control the air and mattress humidities higher than 65%.Under the conditions of different season or different wind speed,even in day and night,the control actuators were different.The actuators included fanning wet curtain,lighting,micro spraying,spraying,propeller fan,electric aluminum alloy shutter and spraying systems on the roof.The actuators were integrated,and they control the piggery environment simultaneously.The system also designed the remote video monitor interface,parameter-monitoring curved interface and operation interface,which provided a good man-machine interface.展开更多
文摘OPC全称是Object Linking and Embedding(OLE)for Process Control。OPC规范使系统组态化,简化系统复杂性,缩短了软件开发周期,提高了软件运行的可靠性和稳定性,便于系统的升级与维护。OPC的使用,为水电站实时监控系统上位机监控软件与可编程逻辑控制器(PLC)之间的数据传输提供了一条高效、可靠的新途径。本文首先介绍OPC技术,然后结合NC2000 V3.0水电厂实时监控系统介绍了GEPLC的OPC服务器的客户端软件的应用,该客户端软件可用于其他采用OPC标准的PLC,也很容易移植到其他自动化控制领域。
基金Supported by Special Fund for Agro-scientific Research in the Public Interest(201303094)International Science and Technology Cooperation Project of China(2012DFA31120)National Key Technology Research and Development Program(2012BAD14B15)
文摘The design and assembly of environmental monitoring and control system for large-scale pig house with fermentation bed helped to solve the problem of environmental automatic control in piggery.The sensors would monitor the temperature,humidity,light,wind direction,wind speed,CO2,NH3and other parameters.On-line real-time data collection was achieved.The expert system was constructed to control the temperature in piggery below 30℃,to control the air and mattress humidities higher than 65%.Under the conditions of different season or different wind speed,even in day and night,the control actuators were different.The actuators included fanning wet curtain,lighting,micro spraying,spraying,propeller fan,electric aluminum alloy shutter and spraying systems on the roof.The actuators were integrated,and they control the piggery environment simultaneously.The system also designed the remote video monitor interface,parameter-monitoring curved interface and operation interface,which provided a good man-machine interface.
