NI PXI-5690射頻放大器
品牌：NI
型號(hào)：NI PXI-5690射頻放大器
產(chǎn)品說(shuō)明：模塊控制器
NI PXI-5690射頻放大器中文資料：
NI PXI-5690射頻放大器實(shí)際上，它會(huì)對(duì)您指定的離散點(diǎn)組的開/關(guān)狀態(tài)進(jìn)行“快照”。您還可以指定要拍攝這些快照的數(shù)量、拍攝時(shí)間和頻率，以及它們將存儲(chǔ)在內(nèi)存中的位置?？梢苑治龃鎯?chǔ)的快照以查看采樣位的時(shí)間關(guān)系。有關(guān)使用此指令的詳細(xì)信息，請(qǐng)參閱GFK-0467K或更高版本的Series 90-30 PLC CPU指令集參考手冊(cè)。一些功能亮點(diǎn)：NI PXI-5690SER功能塊每個(gè)樣本最多可收集32個(gè)連續(xù)或非連續(xù)位。?每個(gè)SER功能塊最多可捕獲1024個(gè)樣本。?如果SER嵌入周期子程序，采樣率由周期子程序執(zhí)行率決定。?只有觸發(fā)器樣本有時(shí)間戳。觸發(fā)樣本可以BCD（最大分辨率1秒）或POSIX格式（最大分辨率10ms）標(biāo)記時(shí)間。時(shí)間戳僅在觸發(fā)點(diǎn)放置一次。SER不支持每個(gè)記錄有一個(gè)以上的時(shí)間戳。?SER可配置為預(yù)、中或后觸發(fā)模式。NI PXI-5690
英文資料
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: ? An SER function block collects up to 32 contiguous or non-contiguous bits per sample. ? Each SER function block can capture up to 1024 samples. ? If the SER is embedded in a periodic subroutine, sampling rate is determined by the periodic subroutine execution rate. ? 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. ? The SER can be configured for pre-, mid-, or post-trigger modes.NI PXI-5690
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