本文介绍了如何用PLC实现速度链及其与传统模拟量控制的速度链相比较的优越性。
The paper introduces how to utilize PLC to implement the speed chain and compare the advantages between the speed chain of PLC and that of traditional simulative controller.
目前，国内SPM仪器大多还停留在模拟量控制的水平，仪器本身无法在本质上做进一步的更新。
At the present time, most SPM in China only stay on the level of analog quantity control, which is the intrinsic reason that the instrument can't be further refreshed.
试验结果表明，该试验达到了单台给水泵故障停运时各模拟量控制系统及燃烧管理系统协调动作的目的。
The test results showed that the coordinated operation of analog quantity control systems and combustion management system during failure outage of single feed pump was achieved.
介绍了启动和停止过程断点设置及各断点实现的功能，阐述了机组升温升压过程中主要模拟量控制系统的全程控制策略。
The global control strategy of the main analog control system during the process of the unit's start-up is illustrated.
介绍了启动和停止过程断点设置及各断点实现的功能，阐述了机组升温升压过程中主要模拟量控制系统的全程控制策略。
The global control strategy of the main analog control system during the process of the unit's start-up is illustrated.
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