Getting Data from Solis Inverter

abinitio1980 · April 23, 2021, 2:55pm

This is my Node-RED flow to listen to “Server B” output from a Solis Inverter monitoring Stick (based on SolarMan so applicable to many others?)

The TCP listener is set to output a single buffer after the connection closes

If it is a “full” message, it is processed and simultaneously resets the “zero at dusk” timer (messages are arriving each minute during operation, but if nothing come for 3 minutes, I want zero sending to some of the sensor values instead of the last value from the inverter before it switched off). Some values, I have added limits before they are passed to the HA sensor entities.

Shorter messages write a timestamp in a file and then 1 second later the (short) buffer is converted to bytes and added to the same file ending with a newline (ready for the next “unknown” message)

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\"on\": \"off\"","outputPayloadType":"jsonata","x":1070,"y":700,"wires":[[]]},{"id":"5eeae6ca.21b668","type":"server","name":"Home Assistant","legacy":false,"addon":true,"rejectUnauthorizedCerts":true,"ha_boolean":"y|yes|true|on|home|open","connectionDelay":true,"cacheJson":true}]

abinitio1980 · April 23, 2021, 3:00pm

For those interested, these are the settings I used at Inverter end…

Beware, I have found that if they are “set” but nothing is actually listening, after a few minutes, the monitoring stick web interface locks up (requiring unplugging to power-cycle it, to access the web interface to make any changes). As long as Server B is responding / accepting the data, all is fine

sd_dracula · May 1, 2021, 7:25pm

I am also looking to get my Solis Hybrid Inverter and LAN stick to send data to HA so question on the above, what is the 192.168.0.89 IP of? Home Assistant?
So we still cannot get live data since 1 min is the smallest value it can be selected?

abinitio1980 · May 3, 2021, 12:44pm

Hi

yes, the IP address is the address of your HA machine with the listener set up (if it points to a machine that isn’t “listening” I have found that the web-interface of the monitoring stick locks up after a short period)

1 min is the fastest “push” setting - this is much faster than the Ginlong monitoring website - that only gets data every 5-6 minutes.

if you wanted instantaneous data, you would probably have to replace the monitoring stick with a standard modbus interface (but that would result in a los of “cloud” data via the m.ginlong.com site)

Regards
Andy

ManuZ · May 7, 2021, 6:35am

Hi,
Thank you for sharing your Node-Red flows. I am looking for a solution to integrate my Solis and this seems to be the right direction. I do not know Node-Red but installed the add-on and imported your flow. It seems to run fine but I can’t see any sensors in HA. Do I need to do something on the HA side?

EDIT : I found out I needed to install a custom component. This is done and I see my sensors now. I’m just having trouble connecting my inverter. I configured Server B exactly as yours (except I entered the IP address from my HA). The System screen shows me that the server is pingable. But the sensors are not updating in HA. Did I forget something?

ManuZ · May 7, 2021, 7:40am

When checking the server connection on my inverter, it switched to un-pingable. When I go back to the ‘Manual’ page and hit ‘Test’, it shows me the ‘OK’ mark. I’m puzzled… This is probably my problem but I have no clue where to start. Any valuable help is appreciated.

abinitio1980 · May 7, 2021, 11:01am

I think you need to restart HA for the sensors to show up first time.

Regarding ping status on monitoring stick - ignore - it’s shoddy firmware - as long as it’s ok when you test and you are getting data you are all good

ManuZ · May 7, 2021, 1:00pm

You are right. I just needed to be a little patient. After some waiting the sensors’ data got populated. But it is not very stable/consistent. All values report 0 very regularly and sometimes for several minutes and then they come back again. Do you see the same behaviour from your side?
My inverter is a hybrid since I have a battery. It would be great if I could have a sensor with the battery’s level and wether it’s charging or discharging. But I’m not knowledgeable with Node-Red. How could I tackle this and extract those values?

abinitio1980 · May 7, 2021, 2:39pm

How often is your stick set to send data?

The default is 5 (or 6?) minutes but on the custom protocol you can set it to 1 minute

The node red setup I produced is set to “zero” some values after 3 minutes (assuming the sun has gone down and my inverter has turned off)

If yours is hybrid and sends data 24/7 you could delete that top node - it was basically working around that the last value my inverter may send is 20watts that would persist overnight until fresh readings the next day

When the readings show - you should be able to monitor via node-red - do they look “reasonable” values? Obviously, this is based on output from a 4g inverter - conscious the data order may be different from a hybrid.

ManuZ · May 7, 2021, 4:21pm

Hi,

I deleted that top node but I still get a lot of 0 values. During these periods, my LAN-stick is unreachable. I guess it’s very unstable. I added an interval timer that checks the 0 values. If I have multiple within 15 minutes, those are probably real values and I update the sensor. If not, I just wait. It’s not great in terms of accuracy, but at least it looks better on the graphs.
Thank you very much for sharing your work here. I’m really happy not to be dependent on the cloud anymore.
Now I’m hoping someone more clever than me with a hybrid inverter will manage to add the battery information.

abinitio1980 · May 7, 2021, 5:29pm

With the stick settings as in post 2 above, in node-red I see the connection (top left) change to “1 connection” every minute when the “request to send” part of the payload is sent, and then about 20 secs later it changes back to “0 connections” after the payload is sent (and the values on the right update)

A couple of caveats - if that connection isn’t going on and off in node-red at the rate you expect, try different settings at monitoring stick

Also, the check length node may need tweaking for the actual length of your “good” messages - I was finding occasional duff data (10000 amps) when non-standard messages were being parsed - hence the nodes at the bottom for time stamping and saving non-compliant messages - I ended up with 259 as my “good” message length and anything else classed as bad

ManuZ · May 7, 2021, 7:12pm

I removed this first filter and now the sensors are nicely updated every minute. I’ll see tomorrow if this is consistent.

NibblyPig · May 8, 2021, 6:39pm

I’ve been looking for information about gathering data from my stick and stumbled across this post. Perhaps you can help - it’s unclear from your post if your stick is a LAN or WIFI one. I have a ginlong WIFI stick in my solis inverter. I don’t have any of those extra options on the config_hide page about acknowledgements or anything, which I think is key to it.

Even proxying the data and observing, it seems that something is not right as often the stick will give up trying (sending the data 3 times, or sometimes sending it 10-20 times). I watch the data going back and forth - the initial packet, the heartbeat, the full data packet, another heartbeat, and so on. Occasionally, a weird sized data packet appears, sometimes 60 characters, sometimes another size I forget.

While I can emulate the server’s responses and cut it out of the equation completely, the problem is not really the data format, it’s just the fact the stick behaves so randomly. Sometimes it will connect, and send absolutely no data at all! When it does work, however briefly, it will send data repeatedly for a short while.

I wonder if anyone has any advice. Perhaps switching to the LAN stick will be more reliable? Especially if I can get those extra config options.

abinitio1980 · May 8, 2021, 7:48pm

Mine is a LAN stick - I “thought” the WiFi one was similar (depending on firmware version) except for the extra WiFi settings pages?

ManuZ · May 9, 2021, 5:16am

Hi,
I have the LAN stick and it’s totally unreliable. After some time, it just stops sending data. I have to pull the network cable and reconnect for it to come alive again. I was wondering if the wifi stick was any better, but apparently not. It’s already my second LAN stick (I believed the first one was broken since it showed the same behaviour).

NibblyPig · May 9, 2021, 5:41am

The wifi stick doesn’t have that manual tab at all, there’s few settings on that page, and on the config_hide page you can basically override the server URL.

abinitio1980 · May 9, 2021, 9:31am

I have found web interface of stick locks up if the server B settings aren’t “compatible” (nothing listening etc) but even when that happened it was still sending data to ginlong website.

Only way to reset was to unplug stick from inverter (as that’s where it’s powered from) which gave a short window to access web interface and perform a factory reset.

Doesn’t work on mine, but might be worth trying the firmware upgrade

ManuZ · May 9, 2021, 9:02pm

I alread pulled the stick from the inverter but it doesn’t change the behaviour. When it locks up, it also stops reporting to the cloud.

abinitio1980 · May 10, 2021, 8:22am

I would definitely suggest a factory reset via web interface if you haven’t already

sd_dracula · May 25, 2021, 8:06pm

Hey guys anyone have a way to easily identify what all the json data from the m.ginglong.com, it’s coming back like this:

_st: "1"
1af: "231.00"
1ag: "0.00"
1ah: "0.00"
1ai: "2.10"
1aj: "0.00"
1ak: "0.00"
1ao: "0"
1ar: "50.01"
1aw: "31.70"
ah: "18313"
2tm: "99"
ze: 2021-05-25T19:44:49.000Z
zf: "103643354"
zg: "FA,CA"
2tp: "0"
zh: "47.88.8.200:10000"
zi: "02"
ap: "0000"
aq: "0000"
zk: "1"
ar: "0000"
2tt: "52.10"
zl: "0"
as: "0000"
1bc: "663.00"
2tu: "10.10"
at: "0000"
1bd: "29.80"
1be: "676.8000000000003"
2tv: "100.00"
1ru: "0"
1bf: "676.8000000000003"
2tw: "100.00"

Anyone have a mapping of the values?