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Siglent SDL1000X/SDL1000X-E Electronic Load

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mawyatt:
The Siglent we have works fine, no complaints, other than front terminals. Like most Siglent gear, easy to augment with the kind help of folks here :-+

Disclaimer this is the only Electronic Load we've ever used or owned.

However, it has been very valuable and earned it's keep on a number of projects including the one we are presently working, like observing the Over-Current and Over-Load current trip points of 10 and 15 amps respectively, an emulating various electro-mechanical devices, like a 30 amp DC motor load.

Also, handy for doing self-calibration/verification of lab power supplies.

Best,

Martin72:

--- Quote ---The Siglent we have works fine, no complaints, other than front terminals.
--- End quote ---

This is also a bit of a mystery to me, but siglent is not alone in this, many have these actually impractical connectors.
At work we have "ancient" DC loads from Zentro, which have reasonable connections.

Mortymore:
I bought mine some 3 months ago, and have not yet used all the functions.

Besides using it to calibrate my PSU after turned the SDP3303X-E into a non E model, I tested some small power DC-DC converters and other minor thing.
I've been using it mostly to test UPS batteries, since we got an assorted of brands, and they are not all the same. This testes could take a long time, depending on the test conditions chosen. It would be great if the SDL could display the Internal Resistance of the battery.

I use EasySDL to plot a trend chart of the voltage and record to csv file. There's an issue with the trend chart time, that is halved, meaning, if the plot has taken 10 minutes, it's 20 in reality.

Only this weekend my SDL1020X-E was turned into an SDL1030X. I don't do hacks right away. I prefer to give some time to see if everything is Ok and allow some "burn-in" before an upgrade. Checking current and voltage against the 5.5digit DMM, the load seems accurate, though the last 1 or sometimes 2 digits, tend to be jumpy.
The EasySDL shows the 4 decimal points, even with the E model.

I did the hack connecting the SDL through USB, and using NI MAX, sending only 3 commands as suggested by atimos

Go from 3 to 4 decimal places: SDL1020X-E --> SDL1020X
SYSTem:DEVICE:PRODUCTUG:ID 1
(EDIT: actually I used "ID 4" since from the atimos diagram and TV84 info, I believe 4 is for the SDL1030X, that was the goal)

Go from 200W to 300W: SDL1020 --> SDL1030
SYSTem:DEVICE:POWERUG 300

Change model name: SDL1030X
SYSTem:DEVICE:PRODUCTUG SDL1030X

PS: Unfortunately Siglent didn't extend the 10% off (until the end of this month) to the SDL, but if bought from Welectron, you may try to take 5% off with Marco Reps code: marcoreps5 (5% off Brymen, Siglent)

nctnico:

--- Quote from: Martin72 on September 25, 2023, 08:50:52 pm ---Hi folks,

I must admit that I´m too lazy to read the whole thread now... ;)
My test equipment is missing two things, a SA and a electronic load.
Short question:

https://www.batronix.com/versand/last/SDL1020X-E.html

Recommendable? any issues/traps ?

--- End quote ---
From page 3 it looks like this Siglent load has a similar mains ripple issue like the Korad DC load I got recently.

Mortymore:
It would be interesting to replicate today, at least some of the tests Timpert made 4 years ago to see what the hardware and software revisions and updates had solved, or not.

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