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Pls install the frimwere i put and go to logs and check serial ports log comm

For HV protocols , i upload new DIYB4I v1 with more easy debug function . For testing the protocol just use fake battery data. Also all ports can be tested for trafic / also the can msg comms

Can u put what is the inverter model that u confirm is working with pylon.

I think nodemcu have other pin then Esp32 DevKit 1 can u see if map pin is same?

Most of Easun inverter not support can bms, just rs485 comm. For 8 and 11 kw version exist an firmware update that support CAN will work with pylon protocol , i dont tested but u can try.

For u i simple just install Jk Bms Can Lv fremwere . conect one jk on rs485 one on serial the data will be combined . Select Pylon or Seplos. protocol. whatup on pm. The protocol is allready tested on solis lv. best regards

Because of lot of project i support in same time i need to make some management of projects, is hard to me to re take all conversation from forum for each of u, and some contact me in viber or whatup or telegram and in this moment is a big mess with lot of info. Sorry for that i try to give my...

CVL DVL CCL DCL and SOC are the data send to invertor by bms to work CVL - Charge voltage level DVL - discgarge voltage level CCL - charge curent level DCL - discharge curent level u can send only from on jk bms to invertor but will not have the real amp readings , also change the charge...

i am not Shure what u mean! If u have more battery packs in parallel all packs will have same voltage on enads so in theory is same SOC, but if u have a cell on 3.5 and rest are on 4 V the pack is not 90 % because the cell from 3.5V will discharge to protection faster! so in the end when use...

jkbms will work sp200 controiller no

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Do u verify the can pin from topband connector and also growatt can h can l?

So topband emulate growatt but not work?

Hi, i dont have the Topband bms protocol for input of data. First u need to ask for and pdf file with the comm protocol.

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This is the next generation interface DIY B4I 1 - Serial port used for extender 2 - Rs485 ports 2 - Can ports 1 - Digital output for contactor. Hv Protocols will be on this setup.

voltronic dont support can port, maybe they work on rs485 i dont know. All invertors migrate to can bms support, on mpp solar / easun / other chinaese copy they start to have can support after last update https://www.mppsolar.com/v3/pip-max/ i have rs485 from seplos and pylon protocol is...

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I i explained before on JkBms GPS port is UART TTL signal at 115200 kbps If connect direct RX TX GND to Serial 1 or serial 2 of esp32 will work. In my schematics Serial 2 is connected to RS485 adaptor that why in software is named RS485 Hardware Connection: IkBMS UART TTL <-> JkBMS RS485...

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I upload 5.2 with tcan board support Esp32 dev pin map remain like in first page T-can is this board:

Is a paypall link In ur case put bt protocol OFF - if use bt protocl serial protocols and rs485 protocol will turn off. Put Serial protocol OFF and RS485 on if u connect on Serial 2 Ur setup: Can Interface: BT CAN RE485 Protocol: JKBms Can Protocol: Growatt / Pylon / Semplos

Santa Gift: f6fa803609c184530e4170e69ed6aa4f If u want to support the work paypal.me/diyenergy Happy Holidays

Santa Gift: a3a792fe67e2d7ba3de52a6e254d302e If u want to support the work paypal.me/diyenergy Happy Holidays

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Will work but Can controller to pin 4 5 , I modify ur pics to see it. U find link in first page to my Google drive https://drive.google.com/drive/folders/1EruM2z8ZyM2TMhrHV4PVuLqzRZ5zZji3?usp=sharing

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was bussy this days, give me ur fake data u want to encode in can protocol Battery Voltage Charge Voltage Charge Amps Discharge Voltage Discharge Amps Temperature this are main data for all bms

Esp will close ap after connecting on local network Now the esp have one ip from ur local network signed by ur router. 1 - U can discover the ip by scanning ur local network for example with IpScanner app. 2 - U can serial connect to esp with USB cable Com port speed is 115200. Reset...

The balance is resistive so will take some time if u have modules with cell wires w up this means is a problem there, and with few cell in parallel in pack will be unbalance when charge discharge. I made a project to talk with invertor protocols and i take also data from tesla battery boards...

i have many packs with tesla S 6s config , also i use B class with is 7s made also with tesla, dot have any problem to balance. On Some pack if the cell have wires not ribon the wires can oxidate and have problem on contacts with battery plate. I dont use simp bms because is expensive , u can...

LG resu HV not same LV, If u hae some esp32 and can tranciver i can programe some "fake" data protocol to test on ur inverter

INVT BD Invertor confirmed working protocol Deye / Seplos Solax X1 / X3 protocol Solax HV