The IPC completes the system supervisal and control function. The section and swithching operation is realized by PLC. The inverter completes frequency conversion.
工业控制计算机完成对电梯运行的监控，PLC实现直线电机的分段供电及运行控制，G120实现变频调速。
In order to realize synchronous control, distributed motor synchronous control system based on PLC and frequency conversion and PID control arithmetic are adopted.
本文提出了基于PLC和变频调试技术的集散式同步控制方案和采用PID控制算法实现多电机的同步控制。
Hongwei thermal power plant realized the ash pulp pump's automatic control with PLC and the frequency conversion, obtained the remarkable economic efficiency.
宏伟热电厂采用PLC和变频器实现灰渣泵的自动控制，取得了显著的经济效益。
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