NI PXI-5690射频放大器
品牌：NI
型号：NI PXI-5690射频放大器
产品说明：模块控制器
NI PXI-5690射频放大器中文资料：
NI PXI-5690射频放大器实际上，它会对您指定的离散点组的开/关状态进行“快照”。您还可以指定要拍摄这些快照的数量、拍摄时间和频率，以及它们将存储在内存中的位置。可以分析存储的快照以查看采样位的时间关系。有关使用此指令的详细信息，请参阅GFK-0467K或更高版本的Series 90-30 PLC CPU指令集参考手册。一些功能亮点：NI PXI-5690SER功能块每个样本最多可收集32个连续或非连续位。Ŷ每个SER功能块最多可捕获1024个样本。Ŷ如果SER嵌入周期子程序，采样率由周期子程序执行率决定。Ŷ只有触发器样本有时间戳。触发样本可以BCD（最大分辨率1秒）或POSIX格式（最大分辨率10ms）标记时间。时间戳仅在触发点放置一次。SER不支持每个记录有一个以上的时间戳。ŶSER可配置为预、中或后触发模式。NI PXI-5690
英文资料
In effect, it takes ”snapshots” of the on/off status of groups of discrete points that you specify. You also specify how many of these snapshots to take, when and how often they will be taken, and where in memory they will be stored. The stored snapshots can be analyzed to see the time relationship of the bits sampled. Please see the Series 90-30 PLC CPU Instruction Set Reference Manual, GFK-0467K or later for details on using this instruction. Some feature highlights: Ŷ An SER function block collects up to 32 contiguous or non-contiguous bits per sample. Ŷ Each SER function block can capture up to 1024 samples. Ŷ If the SER is embedded in a periodic subroutine, sampling rate is determined by the periodic subroutine execution rate. Ŷ Only the trigger sample is time stamped. The trigger sample can be time-stamped in BCD (maximum resolution of 1 s) or POSIX format (maximum resolution of 10ms). The time stamp is only placed once at the trigger point. The SER does not support more than one time stamp per recording. Ŷ The SER can be configured for pre-, mid-, or post-trigger modes.NI PXI-5690
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