| 1. | Earth - moving machinery - operator station and maintenance areas - bluntness of edges
土方机械.司机操作和维修车间.棱角倒钝 |
| 2. | Both single and multi operator stations may operate the entire 24 - hour period
准许单一操作人员和多位操作人员工作整个24小时期间。 |
| 3. | Earth - moving machinery - operator station and maintenance areas - bluntness of edges
土方机械.操作人员工作站和维修区域.边缘部位的钝度 |
| 4. | Safety of earth - moving machinery - specification for bluntness of edges at the operator station and in maintenance areas
土方机械的安全性.操作人员工作站和维护区域里的边部钝度规范 |
| 5. | There is a quite many means to integrate fieldbus technology into dcs , while this design emphasizes particularly on providing communication ability between operator station and field instruments , the same time reserving the advanced control and monitor function of the original dcs
然而将现场总线与dcs进行集成的方法有多种，侧重点也各有不同。本设计则着重解决在保留原有控制系统丰富的监测、控制、协调管理功能的基础上，如何实现上位机与现场仪表通信的问题。 |
| 6. | In this paper , the author gives a detailed introduction of an interface circuit board and a support software both based on hart communication protocol and serial interface communication protocol . the hardware and software together play a key role in the communication between operator station and field instruments
接口卡件能够在嵌入原来的国产分散控制系统supmax500并且不影响其对远程仪表的模拟量进行控制的基础上，支持符合hart协议的智能仪表与dcs中的分散处理单元和上位机进行通信。 |
| 7. | The finished interface circuit board and support software with the unfinished instruments management software running in operator station make up of the socalled remote management system of field instruments which will enhance the ability of dcs , improve the synthesized automation level of the whole system and competition capacity of enterprises
Hart接口卡件及相关软件已通过初期的调试，基本上实现了预定的功能。本课题的工作为实现hart现场总线与supmax500的集成打下了坚实的基础、成功地迈出了第一步，具有一定的开创性和实用价值。 |
