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连接技术：通过 SC 双工接口实现 2 个多模光纤连接
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3 个 ID 拨码开关，用于实现可变拓扑
整个系统中的 EtherCAT 端子模块数量： 65,535 个</p>
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        <p>2026-01-19</p>
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      <dd><span>厂商性质</span>
        <p>经销商</p>
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      <dd><span>浏览量</span>
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耦合器、拓扑扩展模块和扩展模块之间的区别在于：EtherCAT 耦合器是“头站”，它位于端子模块网段的最前面；拓扑扩展模块可以布署在 EtherCAT 网络的任何地方，因此可以建立一个星形拓扑结构；扩展模块插接在 EtherCAT 端子模块排的末端，并允许建立线型拓扑结构。</p>
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        <p>2026-01-19</p>
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        <p>经销商</p>
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    可以长期稳定地测量模拟量信号
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        <p>经销商</p>
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