This paper gives the detail description of the safe system structure and its function in the oil field automation. Also, it gives the basic steps for safety system design by using PLC.
这篇文章对安全保护系统在油田自动化中的作用及组成给予了详细的描述，也给出了用PLC设计安全保护系统的基本步骤。
It was showed by field application that the system has high popularizing value because of convenient network-forming, high automation degree, safe and reliable running, fine quality and economy.
现场使用表明，该系统组建网方便、自动化程度高、运行安全可靠和优质经济，有较高的推广价值。
Power grid dispatching automation system is an important means to ensure power grid to operate in a safe, reliable, stable and economic way and improve the management level of operation.
调度自动化系统是保证电网安全、可靠、稳定以及经济运行和提高调度运行管理水平的重要手段。
Studies and develops automation management system of safe production information of mine control center, brings in and installs office automation management system in enterprise.
研究和开发了矿调度安全生产信息自动化管理系统，引进和安装了企业办公自动化管理系统。
For the oil field automation, the safety system is a important part to ensure production and management at safe condition.
就油田自动化来讲，安全保护系统是确保自动化系统在安全条件下进行油田自动生产和管理的重要部分。
New system is much more rational, safe, reliable, convenient for operation, straightly viewed and can improve the automation level of purification process meanwhile.
新系统更合理、更安全可靠、操作更方便、直观，同时提高了净化工艺的自动化水平。
The performance of regulating valves in the automatic control system not only directly effect the automation level, but also has a bearing on the safe and economic operation of generating units.
在自动控制系统中调节阀的性能不仅直接影响自动化水平，而且也关系到机组的安全和经济运行。
Integrated Hydraulic power plant automation system is an important assurance for the safe and high efficient working of power plant.
水电站综合自动化系统(包括电站机组、变压器、厂变、公共设备的保护、检测、控制等)是电站安全、高效运行的重要保证。
The system realizes the interlocking and fail-safe automation during production process, reduces the errors of staff and realizes the mutual communication of every test station.
上述系统实现了生产过程互锁防错的自动化，减少员工犯错，实现了每个测试站互相通信。
The system realizes the interlocking and fail-safe automation during production process, reduces the errors of staff and realizes the mutual communication of every test station.
上述系统实现了生产过程互锁防错的自动化，减少员工犯错，实现了每个测试站互相通信。
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