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【留言赠书】S7-1200/1500 PLC如何控制SINAMICS V90实现速度控制?
通常伺服系统有三种基本控制模式,即速度控制模式、位置控制模式和转矩控制模式。其中速度控制模式相对简单,主要有数字量输入端子的速度控制、模拟量输入端子速度控制和通信速度控制,类似于变频器的速度控制。 用一台HMI和CPU 1211C/CPU ...
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