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Introduce Yourself
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August 24, 2022 3:56 PM
As far as the ID number, I seriously doubt it'd be solder jumpers. Many devices that use a MODBUS protocol (which the JK BMS does not) allow you to run a "write register" command to change the ID number. I don't see where that is listed in the PDF file...but something of the sort likely is.
Yeah I am clueless on how it will work. I just know some of packing machines use the little pin jumpers to set the address. So a complete guess that they may have have solder pads. That document is so crazy I have no clue.
If the goal is a direct connection to an Arduino or something close by, you don't need any converters at all. For longer distances (or for connecting to a GS inverter), I'd actually recommend using an RS-232 level shifter on the JK BMS. Lot cheaper and easier to work with than needlessly fighting with RS-485.
Yeah seems pointless to me too unless you get some glitches or something. If its in an RV or Truck and going more than a few inches then maybe would makes sense the noise can give you some glitches, but that can be coded around too most times.
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