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什么是数字多路复用(DMX)

贺拉斯-贺

最後更新:2023年12月26日

什么是数字多路复用(DMX)

DMX 是数字多路复用的简称,是一种 照明控制协议 广泛应用于照明行业。它是一种通信系统,可通过一个或多个通道对单个或多组灯光进行集中控制。DMX 设置包括一个菊花链序列,由控制器发送数据,并通过所有连接的灯具进行传输。

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DMX 可精确控制各种照明功能。DMX 通道指示灯具执行特定操作。例如,每种颜色的 RGB燈 需要一个 DMX 通道,而一个 RGBW 灯具需要四个通道。这意味着,一个可以控制多达 512 个通道的 DMX Universe 可以完全控制 128 个 RGBW 灯具。

为了确保 DMX 系统的正常运行,在菊花链的末端使用了一个终端器。终端器通过阻止信号反弹来防止信号失真。它在保持 DMX 信号的完整性方面起着至关重要的作用。

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