描述
现在比较常用的步进电机包括反应式步进电机（VR）、永磁式步进电机（PM）、混合式步进电机（HB）和单相式步进电机等。
反应式步进电动机采用高导磁材料构成齿状转子和定子，其结构简单，生产成本低，步距角可以做的相当小，一般为三相，可实现大转矩输出，步进角一般为1.5度，但噪声和振动都很大。反应式步进电机的转子磁路由软磁材料制成，定子上有多相励磁绕组，利用磁导的变化产生转矩，但动态性能相对较差。
Allen Bradley 5250-MLP4 B Pyramid 2MEG Logic Daughterboard
Allen Bradley 5370-CV1M Allen Bradley Vision Processor Module
Allen Bradley 5730-CVIM Vision Processor Module
Allen Bradley 5820-E1/A Ethernet Interface
Allen Bradley 6008-LTV Allen Bradley CPU Module
Allen Bradley 6180-FLJFFLDZIZZ Allen Bradley Operator Interface
Allen Bradley 6180-FLKEHLBMHCZ Allen Bradley Operator Interface
Allen Bradley 6181P-12NS2KH Allen Bradley VersaView 1200P Operator Interface
Allen Bradley 6181P-15TP2KHSS Allen Bradley Panelview Operator Interface
Allen Bradley 6182-AEBZZC Allen Bradley Operator Interface
Allen Bradley 6182-AHBZZB Allen Bradley Operator Interface
Allen Bradley 6182-DGBZZC Allen Bradley Aggreko Operator Interface
Allen Bradley 6185-CACBZZZ Allen Bradley Touch Screen Operator Interface
Allen Bradley 6185-DACAAAZ Series A Touch Screen Display
Allen Bradley 6185-HCCJAAR Allen Bradley Operator Interface
Allen Bradley 700NT/Series C Allen Bradley Timing Unit
