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DL3021 to DL3031 Conversion Discussion

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idcipher106:

--- Quote from: electr_peter on February 14, 2022, 03:55:37 pm ---Successful conversion to DL3031A. Model number is shown as DL3031A, no bugs were noticed (did system reset before & after mod). Tested with 350W and 60A loads, all is fine. Thanks to @Pedrofabian for confirmation that hardware is the same for all DL3000 range :-+

To anyone interested in how to do the mod between RIGOL DL3021/3021A/3031/3031A models:

* turn on DL3000 load, make a system reset via menu, stick in prepared USB stick
* connect to DL3000 and open SCPI/serial terminal: via USB (Rigol Ultra Sigma or serial terminal) or via RS232(Rigol Ultra Sigma or serial terminal) or via LXI LAN (telnet or RigolBildschirmkopie)
* enter command "*IDN?" (without quotes, should show current model number - if not, something went wrong in step #2)
* enter command ":PROJ:SET MODEL,DL3031A" (without quotes, model number is from a set {DL3021/DL3021A/DL3031/DL3031A})
* enter command "*IDN?" (without quotes, should show new model number - if not, something went wrong with step #1 or #4)
* restart device, make a system reset
* enjoy :-DMM
--- End quote ---
This didn't really work for me.  I have a Rigol DL-3021 that I just bought.  It has the following firmware versioning shown on the front panel:
Software Version:  00.01.05
FPGA Version:  02.03
Boot Version:  01.011
Hardware Version:  01.00

I attached an RS-232 cable with a DB9 cable from my computer to the DL-3021.  After connecting, I could successfully send the "*IDN?" command, and the device returned an appropriate response.  So I know the serial communication is working and I have the right baud rate, etc.

Then I tried sending the command ":PROJ:SET MODEL,DL3031A".  And the device just hangs with no response.
I tried the same thing using the Rigol's Ultra Sigma software and a USB cable (instead of the RS-232 serial cable).  The same thing happened: after sending the "PROJ:SET MODEL,DL3031A" command the devices hangs with no response.

After the device hangs, if I try to type "*IDN?" again, there is no response any more.
The DL-3021 must be power cycled to get the RS-232 port (or USB port) to become responsive again.

I must admit that I don't know what is meant in the above instructions by this:  "stick in a prepared USB stick".  And there is a link to some topic that is talking about a completely different device (the DP832).  Surely I don't want to follow advice for a DP832 on a DL3021?  Is there something that needs to be on a USB stick when I run the ":PROJ SET MODEL" command?  If so, what?

Is there any other documented way of doing this?  This is really the only detailed instructions I could find for doing the upgrade.

thm_w:
Yes you need the prepared USB stick or it won't work.
Follow the link electr_peter provided and the instructions are in the first few lines of the post:


--- Quote ---Quick Guide
Flash the rigol-key.img from the attached zipfile to a USB drive using your prefered disk imaging software. (dd/Win32 Disk Imager)

Power on the device, and insert the thumbdrive
--- End quote ---

idcipher106:

--- Quote from: thm_w on March 29, 2023, 11:58:08 pm ---Yes you need the prepared USB stick or it won't work.
Follow the link electr_peter provided and the instructions are in the first few lines of the post:

--- End quote ---
Ok, so do in fact use an image file from a thread on the DP832 (a power supply) to upgrade the DL3021 (A DC load).  Not what I would have guessed, but ok I'll do it.
Thanks!

Micro:

--- Quote from: electr_peter on January 09, 2023, 04:57:22 pm ---Firmware update for DL3000 is overdue, v00.01.05.00.01 is from ~2020-12-01. There are bugs in battery app mode, multiple UI improvements can be made as well. DC load is OK otherwise.
Did Rigol forget DL3000? :-//

--- End quote ---

This battery test bug is really giving me some grief, I wish I’d read this post before I just went ahead and upgraded trusting that RIGOL knows what regression testing is!
I’d now really like to roll back to the previous version without going all the way back to 00.01.02, but have been unable to find it anywhere. Does anyone have a late version in between that you could share with me to get rid of the battery test bug please?

elex_enthusiast:
Hands down to all folks who made this hack so easy :-+. Just recently had a good deal for a DL3021a in prestine condition . Did the hack and it worked. Mine has 00.01.04 FW

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