4通道继电器模块是一个全高度模块，提供四个继电器输出。任意数量的4通道继电器模块都可以放置在瞬态数据接口模块右侧的任何一个插槽中。4通道继电器模块的每个输出都可以独立编程，以执行投票逻辑。在4通道继电器模块上使用的每个继电器都包括报警驱动逻辑。报警驱动器逻辑编程使用与和或逻辑，并且可以使用警报输入（警报和危险状态）、否确定，或来自任何监控通道或机架中任何监控通道组合的各个PPL。您可以使用3500机架配置软件编程此报警驱动器以满足您的应用程序需要。

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