这种LED百叶窗式显示屏 由电子计算机系统，帧控制器，接收板，扫描板，LED显示单元，支撑架，电 源及连线组成；

The display with LED video louver window mode consists of computer system, frame controller, receiving board, scanning board, LED displaying unit, supporting rack, power source and lines;

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我发现一些层级的控制器仅仅需要几帧而另一些层级的控制器事实上每一帧都需要关键帧。

I found that controls at some levels needed only a few keyframes where some at other levels needed keyframes on practically every frame.

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介绍上位机与欧姆龙V600系列RFID控制器串行通信连接方式、通信命令和通信数据帧格式。

The communication link way, communication commands and communication data structure between host computer and OMRON V600 Series RFID controller are introduced.

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