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Siglent SDS2000X Plus - Bugs / Missing Features / Feature Requests

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pcee:
In the V1.5 firmware, Siglent added the ability to read/write measurement types used by Power Analysis, including:
[*]PFACtor Power Factor
[*]RPOWer Real Power
[*]APOWer Apparent Power
[*]RPOWer Reactive Power
[*]PANGle Phase Angle
Bug report: They use RPOWer for both Real Power and Reactive Power.  As a result, you can't specify Reactive Power via SCPI.

Additionally, the above measurements are **** until you turn on Power Analysis, and there's no way to control Power Analysis via SCPI.  I think all of the other options can be controlled by SCPI, so this seems like an omission.

Feature request:  Add SCPI commands to control Power Analysis, at least to turn it on.  That way I could configure the scope to display power measurements entirely via SCPI.

For now I can simply script VNC to click on the right spots ("Analysis" then "Power Analysis" then "Test State" on), but it would also be nice if it wouldn't reset everything when I do.

Nice to have: Ideally there would be UI for configuring measurement display of power analysis rather than just SCPI.  (For example, a "Power" tab in the "Measure select" window could let you select Power Analysis measurements.)

Nice to have: It would also be nice to have RMS() be an available math function in the function editor. Right now I can define F1=C1*C2 and display RMS(F1), but real power is RMS(C1)*RMS(C2).

gf:

--- Quote from: pcee on October 07, 2023, 08:41:55 pm ---It would also be nice to have RMS() be an available math function in the function editor. Right now I can define F1=C1*C2 and display RMS(F1), but real power is RMS(C1)*RMS(C2).

--- End quote ---

Real power is neither RMS(C1)*RMS(C2) nor RMS(C1*C2).
If C1 and C2 are voltage(t) and current(t), then the real power is the (cycle) mean of C1*C2.
(Or if you mean instantaneous power, as a function of time, then it is simply C1*C2.)

blurpy:

--- Quote from: pcee on October 07, 2023, 08:41:55 pm ---Nice to have: It would also be nice to have RMS() be an available math function in the function editor. Right now I can define F1=C1*C2 and display RMS(F1), but real power is RMS(C1)*RMS(C2).

--- End quote ---

Something like this is possible, even though it's a bit awkward to use:


--- Quote from: blurpy on October 09, 2021, 05:08:10 pm ---
--- Quote from: blurpy on August 11, 2021, 03:48:43 pm ---I asked about this in the main thread, but didn't get any replies, so I assume this is not possible in the current firmware. Consider these as feature requests.


--- Quote from: blurpy on August 06, 2021, 04:52:38 pm ---...

2. Would be nice to be able to display watts, and perhaps the formula editor could be the way to go. I can't see any way of using measurements in the editor however. Is it possible to enter something like this? RMS(C1) * RMS(C1) / 8
Ideally it would be a custom "measurement" since it doesn't need a trace, but I can't see a way of doing that.

--- End quote ---

--- End quote ---

Well, to quote myself again here, it seems #2 is sort of possible:



Wish it was possible to base it on the RMS measurement instead, but better than nothing.

This is what it looks like:



The Pk-Pk(F2) measurement is watts into 8 ohm.

...

--- End quote ---

Still hoping for some improvements here.

Martin72:
Hi,

https://www.eevblog.com/forum/testgear/siglent-sds2000x-hd-missing-features-and-bugs/msg5175306/#msg5175306

Same here..

blurpy:
Hoping for a fix to the request posted by Martin72 above, as it will increase usability of the parallel probes quite a lot.

I have some more requests as well, related to the user experience. All of which can be seen on the 1 screenshot below.

1. Can the modal "saved to file" dialog you get after taking a screenshot be dismissed automatically after a timeout? It never goes away unless I click the X in the corner, which seems unnecessary, and it's always in the way of something. The good thing is that it's dismissed when taking another screenshot, so you normally don't see it when taking multiple screenshots in a row. But the last one must be manually dismissed.

2. Can the mouse cursor hide automatically when taking screenshots? Can't really see any reason to have the mouse cursor in the screenshot, and I find it distracting. It takes the focus away from what I'm trying to capture.

3. Can the mouse cursor hide automatically when the mouse is idle? Like when watching a video on YouTube, the cursor hides after a few seconds unless you move it. Not as important as #2, but would still be a nice improvement to keep the user interface focused on what's important.

4. The axis labels used to have 4 or 5 decimals, and now it varies a bit. On some instances, like shown here, it's 3 decimals. Is it necessary? I would prefer 2 decimals to keep the interface cleaner and more focused on the content.


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