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大家好，我试图通过RS-232输出和RS-232转USB转换器（Keyspan USA-19HS）将34970A设备连接到几台笔记本电脑之一。
安捷伦连接专家似乎知道仪器的存在，但在尝试识别它时，返回两个错误之一：“仪器地址检查失败”或“仪器没有返回IDN字符串[或类似的东西] “。 这种情况发生在我们尝试的任何笔记本电脑上，也可以使用不同的RS-232转USB转换器（http://www.amazon.com/StarTech-com--RS2 ... 047＆amp; sr = 8-3）任何建议都会 非常感谢。-EWF 以上来自于谷歌翻译 以下为原文 Hi all, I am attempting to connect a 34970A unit to one of several laptops via the RS-232 output and an RS-232 to USB converter (Keyspan USA-19HS). Agilent Connection Expert seems to know of the existence of the instrument, but when attempting to identify it, returns either one of two errors: "The instrument address check failed" or "The instrument did not return an IDN string [or something like that]." This happens on any laptop we try, and also with a different RS-232 to USB converter (http://www.amazon.com/StarTech-com--RS2 ... 047&sr=8-3) Any advice would be greatly appreciated. -EWF 
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6个回答
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我不熟悉那些USB转RS232转换器。
检查他们的文档，看看他们是否有波特率，enk / acq等的任何推荐设置。如果没有从前面板将34970A设置为慢波特率并试试。通常，RS232通常有问题。 见附件。 这经常出现在更新的笔记本电脑上，在这种情况下，唯一的解决方案是尝试另一台计算机。 以上来自于谷歌翻译 以下为原文 I am not familiar with either of those USB to RS232 converters. Check their documentation to see if they have any recommended settings for the baud rate, enk/acq, etc. If not set the 34970A to a slow baud rate from the front panel and try that. In general, RS232 often has problems. See the attached dcoument. This often shows up with newer laptops in which case the only solution is to try another conputer. 附件 |
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请参阅随附的34970A RS232信息。
以上来自于谷歌翻译 以下为原文 Please see the attached 34970A RS232 information. 附件 |
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我尝试使用串口直接建立通信而不是模拟器，但没有成功。 在随附的文档中，您提到将“34970A添加到串行接口下的库中”; 你是怎样做的？ 另外，应该使用什么类型的电缆; 直通配置还是零调制解调器？ 谢谢你的帮助。 以上来自于谷歌翻译 以下为原文 I tried establishing communication using a serial port directly instead of an emulator, but with no success. In the attached document, you mentioned adding the "34970A to libraries under the serial interface;" how do you do that? Also, what type of a cable should be used; a straight through configuration or null modem? Thanks for your help. |
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我非常抱歉。 我正在考虑使用其他接口之一添加仪器。 我之前从未尝试过，现在看到Agilent IO Libraries不仅可以让您添加RS232仪器。 在任何情况下，只有在直接进入计算机的RS232端口时才会这样做，假设它有一个。 我从来没有使用USB转RS232适配器，但这应该出现在PC上的USB IO下。 我从笔记本电脑扩展坞到34970A使用的RS232电缆是Agilent 24542U零调制解调器电缆。 以上来自于谷歌翻译 以下为原文 I'm very sorry. I was thinking of adding an instrument using one of the other interfaces. I never tried it before and see now that the Agilent IO Libraries don't just let you add a RS232 instrument. In any case, you only do that when going directly to the computer's RS232 port, assuming it has one. I've never used a USB to RS232 adaptor, but that should come up under USB IO on the PC. The RS232 cable I use from my laptop docking station to the 34970A is an Agilent 24542U null modem cable. |
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lanziji 发表于 2019-5-24 15:43 我能够与USB转串口转换器建立通信，但我不想使用该方法，因为我们遇到了超时问题。 我已经在我们的PC上添加了一个串行卡并找到了正确的Agilent串行电缆，但我仍然无法与PC通信。 我已经检查了设备和串口的设置，以确保它们匹配，但我仍然得不到任何结果。 回到你附加的txt文件，你说+“客户'将'34970A'添加到串行接口（COM1，COM2等）下的IO库吗？”+我不确定你的回复是否涵盖了我的初始查询。 你是说你不能这样做吗？ 由于我正在使用本机RS-232端口，我可能必须这样做。 谢谢你的帮助。 以上来自于谷歌翻译 以下为原文 I was able to establish communication with a USB to serial converter, but I'd rather not use that method since we've had timeout issues. I've added a serial card to our PC and located the proper Agilent serial cable, but I still cannot communicate with the PC. I've checked the settings for the device and the serial port to ensure they match, but still I get nothing. Going back to your attached txt file, you said +"Did customer 'add' 34970A to IO Libraries under Serial interface (COM1, COM2, etc)?"+ I'm not sure if your response covered my initial query. Are you saying you cannot do that? Since I'm going through a native RS-232 port, I may have to do that. Thanks for your help. |
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sdfwefwe 发表于 2019-5-24 15:50 首先，我应该验证您是否启用了34970A RS-232端口。 如果您这样做，如果ACE支持PC中的RS-232接口，它应该找到34970A并与之通信。 确保34970A RS-232端口设置与PC的设置相同。 此时，ACE屏幕显示了什么？ 在34970A旁边是绿色复选标记吗？ 那需要在那里沟通。 如果是，您可以转到交互式IO窗口，发送并接收来自“* IDN”的回复？ 命令或34970A的任何其他SCPI命令。 如果没有绿色复选标记，请高亮显示34970A并单击“刷新此仪器”。 如果这不起作用，我就卡住了。 以上来自于谷歌翻译 以下为原文 First of all I should verify that you have the 34970A RS-232 port enabled. If you do and if ACE supports the RS-232 interface in your PC, it should find and communicate with the 34970A. Make sure that the 34970A RS-232 port settings are the same as those for the PC. At this point, what does the ACE screen show? Is ther a green check mark next to the 34970A? That needs to be there to communicate. If it is you can go to the interactive IO window, send and receice the reply from the "*IDN?" command, or any other SCPI command for the 34970A. If the green check mark is not there, highlight the 34970A and click on "refresh this instrument". If that doesn't work, I'm stuck. |
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