AB模块1794-OF4I

1794-OF4I

运动控制卡是分布式驱动主要的替代品。主要区别是：运动控制卡通过背板总线与分散的主板或处理器卡连接起来。但是在这里，我们将单机单卡控制器和背板运动控制卡称为机器控制器卡。

在运动控制器方案中，微处理器中有应用代码，运动控制器IC（运动处理器）用于产生轮廓、伺服回路闭合以及管理轴控制中的对时间要求比较严格的元素。机器应用的微处理器和运动处理器可以为同一个，尤其是对那些简单的控制应用而言。机器控制器卡的优势之一是可维护性，这是因为维修整个控制器卡，就是更换卡件。由于放大器布置在卡件上，接线也减少了。还可根据实际应用对卡件的实体尺寸以及接头进行裁剪。

运动控制卡有两种不同的类型：成品的和客户定制的。成品卡，尤其是总线连接的运动卡，存在已经很长时间了，有很多供应商可供选择。客户定制卡，尽管需要更多的设计工作，也是一种很好的选择。有个重要的发展趋势就是将放大器（IC或者基于模块的）集成到卡件上。另外一个趋势是利用基于IC的成品运动控制器，提供轮廓产生、伺服回路闭合、通讯以及时间关键功能，比如自动响应、程控中断以及其它类型的自动运动轴管理。

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