loamoaf
Active Member
- Region
- USA
I've got a handful of 14s Daly BMS's - model R16J-GF12. I got them set up for the most part and through the range of my electronic load's max power draw I have the discharge current showing up relatively accurately - though calibrating working current doesn't really do anything to the CADC Gain. They shipped with 0 CADC Offset but calibrating the Zero Current changes that to either 6 or 7 depending on how the BMS feels... that makes no difference to current readings though.
Biggest issue now is I can never get it to charge at the correct voltage. My power supply should be charging it at a constant current up to a constant voltage but when hooked up and trying to charge it is reading much lower voltage and higher current. I expect to be charging around 56.8V at 2A (power supply set to 58.8V, 56.8V is about current pack voltage) but it winds up running at random voltages - sometimes 14.4V, 14.7V, 17.5V, 24.5V - and then around 4.4A. The BMS shows no charge current or status.
I've done a lot of digging on E-S and DIYSolarForum and some things I've found about the CADC Gain is it is suggested this should be a negative number - mine shipped positive (370). Switching this value to negative just makes it so the BMS doesn't read charge or discharge current... I'm so lost and Daly was initially helpful they have since stopped responding to me. Not to knock them but they were also convinced the PCMaster software would work with my BMS, and while it can read the parameters some of them return incorrectly (as displayed in the Android app & Sinowealth tool) and I cannot set or calibrate anything. Their help resources page clearly states R16J models use Sinowealth software.
Desperate for any suggestions. I couldn't get an answer from Daly about which correct IC Name to choose for the R16J model but both BMS_16 and SH39F005 IC Names read everything successfully and show the same values for all params. I'm going to see if they can send me a firmware update for them as a desperate last measure but I already have a JBD BMS on the way that I suspect is going to just work with no issues... seems like I really went wrong with Daly.
Connections and cell voltages are all good and correct. Brand new cells, top balanced within 0.005V of each other, averaging 4.055V. Same issue with all 5 BMS. XT90S connector, correct voltages reading with electronic load & multimeter, again just wrong charging... WAY wrong.
Biggest issue now is I can never get it to charge at the correct voltage. My power supply should be charging it at a constant current up to a constant voltage but when hooked up and trying to charge it is reading much lower voltage and higher current. I expect to be charging around 56.8V at 2A (power supply set to 58.8V, 56.8V is about current pack voltage) but it winds up running at random voltages - sometimes 14.4V, 14.7V, 17.5V, 24.5V - and then around 4.4A. The BMS shows no charge current or status.
I've done a lot of digging on E-S and DIYSolarForum and some things I've found about the CADC Gain is it is suggested this should be a negative number - mine shipped positive (370). Switching this value to negative just makes it so the BMS doesn't read charge or discharge current... I'm so lost and Daly was initially helpful they have since stopped responding to me. Not to knock them but they were also convinced the PCMaster software would work with my BMS, and while it can read the parameters some of them return incorrectly (as displayed in the Android app & Sinowealth tool) and I cannot set or calibrate anything. Their help resources page clearly states R16J models use Sinowealth software.
Desperate for any suggestions. I couldn't get an answer from Daly about which correct IC Name to choose for the R16J model but both BMS_16 and SH39F005 IC Names read everything successfully and show the same values for all params. I'm going to see if they can send me a firmware update for them as a desperate last measure but I already have a JBD BMS on the way that I suspect is going to just work with no issues... seems like I really went wrong with Daly.
Connections and cell voltages are all good and correct. Brand new cells, top balanced within 0.005V of each other, averaging 4.055V. Same issue with all 5 BMS. XT90S connector, correct voltages reading with electronic load & multimeter, again just wrong charging... WAY wrong.
