logical program control 逻辑程序控制
An intelligent logical control program is installed for the unit in order to automatically control the speed of the beam-pump unit.
在系统内安装了智能化的逻辑控制软件，可针对油井实际状态自动调整抽油机的工作摸式。
The unit can directly program the logical control module and set parameters based on logical time sequence.
此装置可以根据逻辑时序图直接对逻辑控制模块进行编程和参数设置。
The way of data transfer in DMA mode, control method of logical programmable device and design of driver program are discussed to solve the key point of sequential transmission.
给出DMA工作方式下数据传输的设计方法，可编程逻辑器件的控制逻辑和驱动程序设计，解决了数据传输连续性的关键问题。
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