Products > Test Equipment

DL3021 to DL3031 Conversion Discussion

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electr_peter:
Comment from EEVblog #1023 - Rigol DL3021 Electronic Load Teardown confirming same HW in DL3021/DL3031.

--- Quote from: Convolvulaceae 12 ---My company uses a Rigol DL3031 load. I took it apart and looked at it too. It is no different from Rigol DL3021. MOSFET quantity 10 pcs. The same IRFP250N. Maximum current limitation is performed by the program. These transistors are controlled by the MC33078 chip without marking. The shunt has a resistance of 0.0005 ohms. From this shunt amplifies the signal, the ADA4522-1 chip is unmarked. Still without marking, 3 chip OP27G. I haven't identified the DAC chip yet. If anyone knows what it's called, write.
--- End quote ---

ben_r_:
This is great news! Saved me $700USD by not having to buy the DL3031A! Thank you all for your fearless testing!  :-+

probe:
Another successful conversion from a DL3021 to a DL3031A! Embarrassingly enough I wasn't able to connect to it through USB on a Linux machine, neither Kali on a RPi4 or Ubuntu in a VM (MacOS Ventura as a host), all I got was "access denied". I had to install UltraSigma on a Windows 10 machine and the moment I sent the SCPI command the screen on the load turned to the color interface. No issues after a reboot and it is recognised in LXI-tools when connected via LAN. Unfortunately no print screen function available in LXI-tools for this device but all in all happy days.

Mouse69:
Thanks so much guys, another successful conversion from a DL3021 to a DL3031A.
I used to install UltraSigma on a Windows 11 (please don't judge me) machine, the moment I sent the SCPI command the screen on the load turned to the colour interface  :)

ben_r_:

--- Quote from: Mouse69 on January 06, 2023, 04:49:39 pm ---Thanks so much guys, another successful conversion from a DL3021 to a DL3031A.
I used to install UltraSigma on a Windows 11 (please don't judge me) machine, the moment I sent the SCPI command the screen on the load turned to the colour interface  :)

--- End quote ---
Just double checking, what firmware version were you running? It looks like the latest is: 00.01.05.00.01

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