Node-red server/proxy for Sofar inverters

• subflow captures messages from wifi logger and decode them into JSON message
• proxy data to default (solarmanpv.com (ginlong.com)) server
• uses v5 data frames

supported devices:

• Sofar 4.4KTL-X with LSW-3 data logger (SN: 17xxxxxxxx firmware: LSW3_14_FFFF_1.0.34)
• Sofar ME3000SP (RETROFIT ZST-3000SP) added by mattiarossi
• Sofar HYD6000-ES with LSW-3 data logger (SN: 23xxxxxxxx firmware: LSW3_15_FFFF_1.0.65) added by daniel-pro
• Sofar 4.4KTLX-G3 with LSW-3 data logger (SN: 23xxxxxxxx) decoded by grzegorzgrzeszkowiak
• Sofar HYD 10KTL-3PH works (no info about data) #12
• Sofar HYD 5KTL-EP uses the same data frame as Sofar 4.4KTLX-G3, no battery info decoded #13

wifi logger settings

go to http://\<wifi logger local IP\>
in advanced tab set server B to <node-red IP> on port 10000 TCP

node-red settings

import node-red-subflow to node-red, u will get sofar inverter node in subflow category

now your sofar inverter node should have 1 connection and receive data

sofar inverter default properties

by default node will listen on TCP port 10000, and will resend data to default solarmanpv.com server as well

node-red did not connect

if sofar inverter node do not have active connection
go to http://\<wifi logger local IP\>/config_hide.html
and change server A (default server) to <node-red IP>

data messages

• Sofar KTL-X
• Sofar KTLX-G3 / HYD KTL-EP
• Sofar ME3000SP
• Sofar HYD6000-ES

messages flow

after power on:

wifi logger (hello msg) -> server (srv-response msg) -> wifi logger
wifi logger (data msg) -> server (srv-response msg) -> wifi logger
wifi logger (hello cd msg) -> server (srv-response msg) -> wifi logger
wifi logger (hello end msg) -> server (srv-response msg) -> wifi logger

120s interval:

wifi logger (heartbeat msg) -> server (srv-response msg) -> wifi logger

5min interval:

wifi logger (data msg) -> server (srv-response msg) -> wifi logger

~3h interval:

wifi logger (hello msg) -> server (srv-response msg) -> wifi logger
wifi logger (data msg) -> server (srv-response msg) -> wifi logger
wifi logger (hello cd msg) -> server (srv-response msg) -> wifi logger
wifi logger (hello end msg) ->server (srv-response msg) -> wifi logger

other messages:

sended after some connection problems (presumably)
60bytes msg and 44bytes msg