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我正在使用VB.NET和GPIB到USB与8757 SNA和8350扫频振荡器进行通信。
我没有找到HPIB命令来读取MEAS（A / R，B / R，C / R等等）。 我找到了写入/设置MEAS的命令（“AB”，“AC”，“AR”等等）。 另外，如何查看平滑是否打开？ 我可以读取值但不是它是开/关吗？ 与平均功能相同。 以上来自于谷歌翻译 以下为原文 I am using VB.NET and a GPIB to USB to talk to the 8757 SNA and 8350 Sweep Oscillator. I am not finding an HPIB command to read the MEAS (A/R, B/R, C/R, ect...). I have found the command to write/set the MEAS ("AB", "AC", "AR", ect..). Also, how can I read whether smoothing is on/off? I can read the value but not whether it is on/off? Same with the averaging function. 
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4个回答
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8757代码是很久很久以前写的。
它不像现代乐器。 输出数据的命令都以字母“O”开头，例如输出数据的“OD”和输出光标的“OC”。 它将适用于任何活动跟踪。 假设您正在编程仪器，您应该知道该活动迹线是什么。 同样，您还应该知道是否启用了平均或平滑。 所有需要的命令都在手册中。 如果你需要一些未列出的东西，那你就是运气不好。 请记住，这个基础固件是在1982年左右编写的。 以上来自于谷歌翻译 以下为原文 The 8757 code was written a long, long time ago. It is not like modern day instruments. The commands to output data all start with the letter "O", such as "OD" for Output Data and "OC" for Output Cursor. It will work on whatever is the active trace. Assuming you are programming the instrument, you should know what that active trace is. Likewise, you should also know if averaging or smoothing is on. ALL needed commands are in the manual. If you need something that is not listed you are just out of luck. Keep in mind, the base firmware for this was written around 1982. |
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我很感激回复，但并非所有命令都列在手册中。 我发现“OFA”和“OFB”将用于输出启动/停止频率，这些命令未在手册中列出。 是的，我同意用户会知道平均或平滑是否打开但是我需要计算机来读取它是否开启/关闭。 我试图尽可能多地从设备中读取尽可能多的信息。 目前，即使平滑处理关闭，8757也会输出平滑值（默认值为5）。 是否有更简单的方法使用“OD”，“OPSO，ect命令从8757输出所有信息？我只是希望可能有其他人发现或遇到的其他命令可能对我有帮助。看起来像我 我运气不好 以上来自于谷歌翻译 以下为原文 I appreciate the reply, however, not all commands are listed in the manual. I found "OFA" and "OFB" will work to output the start/stop freq and these commands are not listed in the manual. Yes, I agree the user will know if averaging or smoothing is on but I need the computer to read whether it is on/off. I am trying to read as much information as possible from the equipment with as little user input as necessary. Currently, the 8757 will output the smoothing value (default is 5) even if smoothing is off. Is there an easier way to output all the information from the 8757 wihtout using the "OD", "OPSO, ect commands? I was just hoping there might be additional commands someone else has found or came across that might help me. Looks like I am out of luck. |
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bleupealike 发表于 2019-4-16 15:20 我可以给出的唯一其他建议是输出学习字符串（“OL”），然后尝试解析它。 学习字符串包含有关当前仪器状态的所有信息。 我们从未记录学习字符串的内容，因为它可能随固件版本而变化，但是，由于固件永远不会再次更改，因此不再适用。 因此，您可以阅读学习字符串，并打开/关闭各种事物并比较两者。 请记住，这是一个二进制文件。 这可能是一个相对乏味的事情，但它应该是可能的。编辑：jvall于2012年12月13日下午2:46 以上来自于谷歌翻译 以下为原文 The only other suggestion I can give is to output the learn string ("OL") and then try to parse it. The learn string contains everything about the current Instrument state. We never documented the contents of the learn string because it could change with firmware revision, however, that is not applicable anymore since the firmware will never change again. So you could read the learn string with and with out various things turned on/off and compare the two. Keep in mind this is a binary file. This is probably a relatively tedious thing to accomplish, but it should be possible. Edited by: jvall on Dec 13, 2012 2:46 PM |
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胡bbs2 发表于 2019-4-16 15:39 谢谢你的回复。 是的，我考虑了学习字符串，但没有找到有关如何解析它的任何信息。 现在我知道为什么了。 也许我会尝试这种方法，因为它会给我所需的所有信息。 再次感谢。 以上来自于谷歌翻译 以下为原文 Thanks for the response. Yes, I considered the learn string but didn't find any information on how to parse it. Now I know why. Maybe I will attempt this approach since it will give me all the information I need. Thanks again. |
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