Hello, I have been using my REC-BMS setup with the following settings for the past month. Some of the settings that my electrical engineer designer has specified are different than what I've seen in this forum and would appreciate any feedback as I am still learning how the REC alogrthms and logic work. (The manual is not written for beginners and perhaps not well written for experienced people either.) I am posting a series of screen shots so that anyone that is interested can compare and constrast their feedback.
All helpful comments are appreciated! ;-) 😬
Questions:
1. How does the REC BMS algorithm work when the Balance End Voltage is set higher then the End of Charge Voltage?
2. Is there any way to tell when the REC is balancing by using the web page through the Wifi module?
The 24v system consists of two batteries built using CALB 230 cells, arranged as a 4P8S X 2 for 64 cells. I am using the REC master with two slaves. One differnce is that in order to fit into the battery box of my sailboat, I've had to go with two batteries with each battery "bending" cell 6 to fit. We are using 4/0 Ancor tinned wires with high quality Selterm lugs as leads and as the replacement bus bars. As you can imagine, the impedance on cell is higher when bulk charging, but settles down after charging and while discharging. See the pics.
My engineer has prgrammed to REC with the following settings. He is very experienced and has created dozens of these systems. He feels that these are the correct settings for my battery set up.
Thoughts?
These differ from the ones I found on this forum:
Thanks in advance for any insights or help you can provide.
Cheers, Bill C.