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相序控制
control of phase-sequence
- PMM8713为集成脉冲分配芯片，可将输入脉冲信号分配成一定相序的控制各相通断的脉冲信号。
PMM8713 is pulse division IC. This chip converts pulse signal to the signals which decide a stepping motor'phases to be on or off. - 该模型包括两个子控制器：相序控制器根据各车道的交通紧急程度决定通行相位；
The model is composed of two sub controllers: the green phase is determined by the phase sequence controller according to the traffic urgency degree of all lanes; - 压缩机热保护、高低压力控制器、相序控制、过载、过电流等保护装置能够保证机组的安全运行；
Compressor thermal protection, high and low pressure controller, phase sequence control, overload, overcurrent and other protective devices to guarantee the safe operation of unit;
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