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LabVIEW编程参考手册

目录
  • LabVIEW编程参考手册
  • 函数
  • 属性和方法
  • LabVIEW环境参考
  • LabVIEW对话框参考
  • 错误代码和消息
目录

反馈节点属性

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  • 更新时间2026-02-19
  • 阅读时长2分钟
    • LabVIEW
    • API参考
    • LabVIEW G

  • 延迟
    读取或设置反馈节点延迟的值。如延迟小于1,LabVIEW可返回错误。
  • 方向
    获取或设置反馈节点的方向。
  • 启用接线端显示
    读取或设置反馈节点是否显示启用接线端。
  • 头部外观
    读取或设置反馈节点的外观。
  • 忽略FPGA重置方法
    读取或设置是否在重置FPGA VI后初始化反馈节点。值为TRUE时,重置FPGA VI后不初始化反馈节点。再次下载FPGA VI至FPGA终端时,可初始化该节点。该属性仅适用于在FPGA终端上部署的反馈节点。若反馈节点的初始化样式为编译或加载时初始化,该属性值为TRUE。
  • 初始化多路选择器位置
    当容器VI指向FPGA时,控制初始化多路选择器相对于核心反馈寄存器的位置。如果常量接线至初始化接线端,多路选择器只能在寄存器之前。该选项仅适用于反馈节点进行全局初始化的情形。
  • 初始化类型
    初始化接线端位于最内部的循环。第一次调用该方法,或LabVIEW编译或加载包含循环的VI时,LabVIEW可在节点上添加接线端并设置相应的初始化。
  • 初始化器在循环中
    值为TRUE时,反馈节点的初始化接线端在循环上,执行中第一次调用VI或VI正在编译、加载时,尚未全局初始化。
  • 初始化接线端
    返回反馈节点初始化接线端的引用。
  • 初始化器循环
    为初始化器当前关联的循环获取或设置引用。如初始化器未关联一个循环且将进行全局初始化,将返回无效引用。
  • 输入接线端
    返回反馈节点输入接线端的引用。反馈节点的输出接线端可在VI再次运行时,传递该节点的输出值。
  • 输出接线端
    返回反馈节点输出接线端的引用。

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