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| ET5410 Electronic Load mod: add external sense |
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| kawal:
Anyone want to do the remote on ET5410+ this is how: Cut traces going to the terminal Solder wires to resistor pads as shown . Other side will be your sense connections. |
| mawyatt:
If these are cut/opened don't you run the risk of having unknown voltage sensing without the sense cables connected? Would think a safer approach would be to add some series R of equal value, maybe 1K, in each leg where you would have the opens, then wire the sense terminals as you've shown. If the sense cables aren't attached or fall off you still have voltage feedback, and if the sense cables are utilized they short out the 1K added resistors to compensate for the load current carrying cables. Anyway, just some thoughts. Best, |
| andyB2022:
How I would do it, First cut the traces mentioned by kawal, now we have an open middle point (the place we cut) from the lef of the cut run 2 wires to the middle conection of a DPDT switch, then from one of the switch positons run wires back to the side going to the resistors (right of the cut) and another pair of wires (using the last contacts on the switch) towards an external connector. I would do it with a BNC. Cost-effective and reliable. Here is how my ET5410 looks: |
| cybermaus:
Those new A+ versions of the EastTester. What firmware version is it, and did anyone manage to get to the FLASH and download it? |
| andyB2022:
--- Quote from: cybermaus on May 01, 2023, 01:10:03 pm ---Those new A+ versions of the EastTester. What firmware version is it, and did anyone manage to get to the FLASH and download it? --- End quote --- Did you manage to get the flash? |
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