| 1. | Method of evaluating pneumatic valve positioners with input signal of 3 to 15 lbf in2 输入信号为3至15磅平方英寸 |
| 2. | Industrial - process control systems - methods of evaluating the performance of valve positioners with pneumatic outputs 工业过程控制系统.气动输出阀门定位器性能评价的方法 |
| 3. | Industrial - process control systems - methods of evaluating the performance of valve positioners with pneumatic outputs 工业过程控制系统.带气动输出的阀门定位器性能的评价方法 |
| 4. | Industrial process control systems - methods of evaluating the performance of intelligent valve positioners with pneumatic outputs 工业过程控制系统.气动输出智能阀门定位器性能评价的方法 |
| 5. | Industrial process control systems - part 2 : methods of evaluating the performance of intelligent valve positioners with pneumatic outputs 工业过程控制系统.第2部分:气动输出智能阀门定位器性能评定方法 |
| 6. | Industrial - process control systems - part 2 : methods of evaluating the performance of intelligent valve positioners with pneumatic outputs 工业过程控制系统.第2部分:气动输出智能阀门定位器性能的评估方法 |
| 7. | Industrial - process control systems - methods of evaluating the performance of valve positioners with pneumatic outputs iec 61514 : 2000 ; german version en 61514 : 2002 工业过程控制系统.气动输出阀门定位器性能评价方法 |
| 8. | Industrial process control systems - part 2 : methods of evaluating the performance of intelligent valve positioners with pneumatic outputs iec 61514 - 2 : 2004 ; german version en 61514 - 2 : 2004 工业过程控制系统.第2部分:带气动输出的智能阀定位器 |
| 9. | This thesis introduces the design of the hardware and the software of the valve positioner based on the worldfip fieldbus protocol , explains the components selecting , the circuit designing , programming and debugging 本文详细的介绍了基于worldfip现场总线协议的智能电-气阀门定位器的硬件设计和软件开发,包括元器件的选择和具体电路的设计,程序的编写。 |
| 10. | The valve positioner based on smart structure or on the fieldbus is becoming an increasingly important technique and is promoting the industry process control dramatically , and now which represents the development direction in the pneumatic actuator 阀门定位器向智能型、现场总线仪表方向发展,给过程控制带来了深刻的变革,代表了气动执行器技术的发展方向。 |