Huawei FusionCharge Wallbox #10262
Replies: 39 comments 427 replies
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That needs a custom module to implement the awkward steering by power. Would you want to attempt a PR? /cc @premultiply by power is already implemented in ocpp |
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Thanks @andig. I could try. Which keys are required for a custom wallbox? |
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See api.Charger for the required interface |
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I am reading the inverter data via modbus with nodered and parse it to evcc via a mqtt broker. All tools are running as seperate docker containers on a NAS. For the wallbox I tried to use the modbusproxy function with evcc and also added the respective port (5021) to the evcc container. When I tried to read the registers from the NAS/evcc (192.168.1.3:5021) there seems to be nothing there. Shouldnt I be able to get the inverter data?
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@hauke-ruehs Can you please attach the full document or download link? |
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Hi, I got nothing additional to the documentation in the thread mentioned above or the screenshot I was send from the Huawei support and which I have posted in the first place. |
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Your screenshot differs from the linked PDF. |
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What are the contents of 0x100e ? |
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this is the original screenshot I received from Huawei with no further documentation. |
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Thanks for providing the updated version containing the huawei-ac template. As mentioned above (#10262 (comment)) I only get time-outs when I try to address the wallbox. Further the charger shows some error messages with regard to signal quality from the meter and is only charging with reduced power. It seems as if it doesn't want to "talk" to other devices than the inverter. |
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I can confirm that its not working. Do we maybe need an external modbus server? |
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After some intense discussions with the Huawei support I still cannot read any registers from the Charger's Modbus. For some reason they are investigating in the clinets connection to the inverter at the moment. The integration and also the surplus charging with the Huawei software works fine. I can also ping the Charger but if I want to read a Modbus register (in the same way I read from the inverter) either direct or via Modbus proxy I get a time out error. |
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Did you ever get clarity on this and whether a separate modbus-server would be necessary? |
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Well, "clarity" in that sense that it is not possible. The inverter is the Master and no external communication is allowed. I was observing network traffic of the Wallbox and there were only UDP but no ModBus TCP packages though. |
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But this guy seems to have gotten some data out: #10262 (reply in thread) or is that other telemetry data? Also the changelog for the latest release seems to indicate it should be same to send data to external NMS. If I haven't misunderstood this part at least it changes the situation from not possible to "it works but has a bug". And then there was another sub-thread where they got a package but it was malformed and instead of an array of data it contained a parsing error from server. It was read only telemetry and no control support of any kind but that's all I'm looking for anyway. |
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Hello, any News on the integration of the Fusioncharge? Just updated mine on the latest firmware. As "Installer" I can see now the option "3rd party NMS via TCP Modbus" as mentionnend above. This setting seems only allow to connect the Fusioncharge as Client-Device on a NMS Server-Device. In any case on the IP-Address of my Fusioncharge the port 502 is not listening for any connection. |
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Which version did you install? Mine is V100R023C10SPC020. As I recently learned from the Huawei support the feature is not supported at all, wich is quiet contradicting to previous statements: |
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Wenn ich diese Matrix richtig verstehe, würde das die Aussage des Supports untermauern. Da erkenne ich mit meinem geringen Verständnis wenig Möglichkeiten als „Ziel“: |
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The installed Firmware Version is the same like yours. Let me know if I can help you with some testing on my charger. |
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Same here today. Happy to debug my environment for clues but need someone to help me make sense of the findings. |
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I would strongly advice against purchasing any equipment that is not fully integrated already. |
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Today I setted up an modbus-slave logger and I inserted the slave IP in the Fusioncharge "NMS-Option", resulting in a packet stream every 2 minutes coming from the Fusioncharge to my logger. 
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Is this not the ten or so decimal registers that the documentation referenced? If so, there's our data! |
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How did you set it up? Is your Huawei Charger connected to a Huawei Inverter? I was monitoring network traffic with wireshark and could not detect any TCP packages from the charger. |
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In my setup I have the Huawei Charger connected to a Huawei Inverter. To use the Modbus output from the inverter I use the Modbus-Proxy from evcc so the registers are available via port 502 from the same IP as evcc. This works fine for e.g. Node-Red. Still I did not succeed in substituting the current grid-meter IP address (provided by the inverter) in the Charger's setup for the proxy IP as it was refused repeatedly. |
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I'm confused. I also have the huawei inverter and chargebox. Has nobody gotten this integrated to home assistant at all? |
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regarding to https://support.huawei.com/enterprise/en/doc/EDOC1100355823 V100R023C10SPC060 will bring OCPP1.6J so as soon as the new FW will be released full Evcc support should be possible |
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As a long time Huawei customer: „will bring…“ the main Huawei slogan SCNR |
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Is the ocpp protocol not just for the communication between car and Wallbox? |
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@smoki3 no: https://docs.evcc.io/docs/devices/chargers/#ocpp-16j-kompatible-wallbox-mit-smart-charging-profil |
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I do not have this Huawei charger but I plan purchasing it since I also have Huawei inverters. Some Huawei inverters were listening to port 6607 instead of 502 for modbus tcp. Has anyone tried port 6607? Has anyone done a port scan? |
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i tried evcc configure: seems port 502 is doing something, but wrong? Port 6607 doesn't answer... i have installed newest firmware V100R023C10SPC020
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Have to say, even with the ocpp firmware V100R023C10SPC060 it is bot working. Really annoying |
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numberPhases maybe doesn't work because ConnectorSwitch3to1PhaseSupported is false, although the default value should be true according to the protocol messages and commisioning guide. |
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Is there a way to manually force single phase charging in the UI and have OCPP respect that, or will it start three phase charging anyway? Asking because I find single phase charging more useful, since it covers the wider range 1.2-7.4kW (assuming you have 32A breakers). Especially now in winter I doubt most of us have lots of days with 8kW+ solar surplus. |
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Just disconnect phase L2 and L3 at the charger |
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FYI check this out, another user reports that there is a new FW in the making addressing the OCPP wlcrs/huawei_solar#491 (comment) Anyone seen this in the wild: V100R023C10SPC160T |
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@Kugelfang666 And see this: #10262 (comment) There are no resolved issues mentioned. |
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Here are some sample messages which are sent if you set up a "third-party NMS" in the wallbox and then listen on that port (first column is byte count, rest is hexadecimal): Perhaps someone know what protocol this is? Ping @tryinit6 since you seem to have explored the same thing above. |
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@henrikssn I would also be interested to know if anyone has succeeded to control the wallbox? |
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Long story short: no |
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Also not via OCPP? I've read that there are some firmware versions with OCPP Support? |
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No not working actually |
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Heißt das, dass EVCC auf absehbare Zeit nicht mit der HUAWEI Wallbox funktionieren wird? Warum ist diese Huawei Wallbox dann in der EVCC Doku aufgeführt https://docs.evcc.io/docs/devices/chargers#huawei-fusioncharge-ac ? |
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Don't know if it helps but have been trying to get this working for 2 days. Finally found that I had to log in to the fusionsolar via computer and go to monitoring > monitoring > choose the dongle > go to configuration > scroll down to bottom and enable Modbus-TCP and choose unrestricted or choose restricted but then add the ip of the service that needs data. And sorry if I missed something, might at least help someone if they where looking for the answer I was :) |
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I did exactly that: I only allowed connection to the Modbus-Proxy relaying the inverter/smart meter but it was not accepted by the charger. Communicating with the inverter is not a problem but somehow all attempts to establish a connection to the charger are failing. |
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Are you connecting to the inverter over the IP given to the dongle or do you have a cat-cable with reversed cabling from the inverter to your router? I'm trying to understand exactly what I have to do to just get the inverter properly connected to use energy Dashboard in home assistant |
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You need to specify the IP of the Inverter/dongle (see below). |
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Ok. If that's all it takes I'll give it another go. But connecting from the huawei solar integration to the IP and port after opening it up in the inverter config did not work out of the box for me. Do I need a modbus-proxy in between or something then or did I just not do it correctly the first time around? |
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Probably not. Only if you have other requests in parallel. |
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Good morning, I apologize for asking this question but I have a problem. Inverter Sun2000 6ktl - fw:141 In the last few weeks, using the Huawei Solar integration, I have had constant disconnections. Until a month ago I never had any problems. Help 😅 |
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Yeah separate issue but I'm keen to learn what you needed to do to get the integration running. I have the exact same setup but the integration says it can not connect to the server on the dongle ip on port 502. I have enabled modbus over tcp in the inverter already. Is there anything else I need to do? |
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It was stable for a year without any issues, or until the HA pymodbus update months ago. Now it is clearly conflicting with the charger. It works some days, and not others. |
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I found a temporary solution. |
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Test failed!!! I tried to install version 1.3.3 and as of this morning it has no disconnects. Now I'm connected via dongle IP /port 502/slave 1. Let's see what happens in the next few hours, but it seems very stable |
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I use the evcc modbus-proxy, thus I can read the registers directly for evcc but also access via e.g. node-red. |
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So you think they compete about the slave 0 slot?
…On Wed 26. Jun 2024 at 13:35, Criaga ***@***.***> wrote:
Test failed!!! I tried to install version 1.3.3 and as of this morning it
has no disconnects. Now I'm connected via dongle IP /port 502/slave 1.
Let's see what happens in the next few hours, but it seems very stable
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Could you please contact the Huawei support ([email protected]) and ask for the release date of OCPP 1.6? It is officially announced for Q4/2023 and still not available. For quick processing of your service requests it is advised to put your devices serial number into the email. Maybe this will eventually help to integrate the wallbox to evcc. Thank you! |
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I sent a question to support ocpp 1.6. Can someone tell me how to tell the charger to connect to the address of the modbus proxy and not the address of the sdongle. |
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That did not work for me. I also tried to replace the true smartmeter IP with the modbus proxy. Somehow the wallbox knows its not the meter. I suspect there is some communication between the two beyond modbus. |
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Isn't this the old one with the badly/incompletely implemented ocpp?
Verzonden vanaf Outlook voor Android<https://aka.ms/AAb9ysg>
…________________________________
From: Kevin ***@***.***>
Sent: Tuesday, February 18, 2025 6:43:33 AM
To: evcc-io/evcc ***@***.***>
Cc: MichaelX ***@***.***>; Manual ***@***.***>
Subject: Re: [evcc-io/evcc] Huawei FusionCharge Wallbox (Discussion #10262)
Is occp added again in this build?
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No this was 060T not 160T |
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Ich habe auch gerade die Firmware auf die Box gespielt. Könnte jemand kurz die Config für EVCC bereitstellen ? |
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Hallo, gibt es irgendwo eine Upgrade Anleitung für die Box? Danke |
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So i started clean. Made a new VM for evcc with fresh ( stable ) Installation on Debian 12. So far so good, charger is connected. PV is connected everythings fine. But seems like WB isnt accepting any Charging-Profiles. Log is full of: |
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@smoki3 Did not try. Is something that I really do not manage. |
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is there no way to make a Wireshark capture / trace to get the original FS App command / sequence? |
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I think this make no sense. You can not control the charger output power in the FS App |
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Of course you can. It’s a bit buried in the settings -> pv settings on the charger screens behind the 4 dots on the top right. You can configure the max charging power. |
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Is |
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@premultiply is it possible to add something like forcechargingrateunit: W instead of A into the evcc config? Huawei seems to be really slow integrating such changes. |
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@smoki3 worked. I tested it today. But the payload ist only limit_watts: 4000 . The wallbox couldn't start with 4000 watts, only after I set the power back above 4100. |
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That's the same I observed on the node script. I was not able to do test today with phase switching. Maybe tomorrow. I also have a self compiled evcc running to check if there it's also working. Maybe just phase switching is not supported |
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did it work in evcc? |
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Yes it is working but unfortunately we can only control down to 4,1kW. Looks like phase switching is not supported. |
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According to a log share above this it what the charger reports about its configuration. {
"configurationKey": [
{
"key": "AuthorizationCacheEnabled",
"readonly": false,
"value": "false"
},
{
"key": "AuthorizeRemoteTxRequests",
"readonly": false,
"value": "false"
},
{
"key": "ClockAlignedDataInterval",
"readonly": false,
"value": "900"
},
{
"key": "ConnectionTimeOut",
"readonly": false,
"value": "60"
},
{
"key": "GetConfigurationMaxKeys",
"readonly": true,
"value": "20"
},
{
"key": "HeartbeatInterval",
"readonly": false,
"value": "3600"
},
{
"key": "LocalAuthorizeOffline",
"readonly": false,
"value": "false"
},
{
"key": "LocalPreAuthorize",
"readonly": false,
"value": "false"
},
{
"key": "MeterValuesAlignedData",
"readonly": false,
"value": "Energy.Active.Import.Register"
},
{
"key": "MeterValuesAlignedDataMaxLength",
"readonly": true,
"value": "22"
},
{
"key": "MeterValuesSampledData",
"readonly": false,
"value": "Current.Import,Current.Offered,Energy.Active.Import.Register,Power.Active.Import,Power.Offered,SoC,Voltage"
},
{
"key": "MeterValuesSampledDataMaxLength",
"readonly": true,
"value": "22"
},
{
"key": "MeterValueSampleInterval",
"readonly": false,
"value": "10"
},
{
"key": "MinimumStatusDuration",
"readonly": false,
"value": "5"
},
{
"key": "NumberOfConnectors",
"readonly": true,
"value": "1"
},
{
"key": "ResetRetries",
"readonly": false,
"value": "0"
},
{
"key": "ConnectorPhaseRotation",
"readonly": false,
"value": "0.RST"
},
{
"key": "ConnectorPhaseRotationMaxLength",
"readonly": true,
"value": "2"
},
{
"key": "StopTransactionOnEVSideDisconnect",
"readonly": false,
"value": "true"
},
{
"key": "StopTransactionOnInvalidId",
"readonly": false,
"value": "true"
}
],
"unknownKey": []
}As you can see it does not report that it requires Power control (Current is defined as default by OCPP spec if not indicated) and it does not report that it supports phase switching. Huawei's OCPP stack is still broken and does not conform to their own documents and does not comply with the OCPP specification in general. |
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I grabbed the log from the charger: here is a error with "check rate unit" |
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Is automatic phase switching enabled in your charger settings in FS App? The setting is under Advanced settings --> PV- Settings For me, this setting turns off automatically once I reenter this menu. Maybe we have to send a configuration key in ocpp to the charger, so this remains on. Do you have an idea? |
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yeah I have it on. On Android it switch always back to off. In iPhone it stays on. But doe not have any influence. The |
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These are the charger logs: The charger in this case does not start because its set to 1,8kW As soon I setz the charger above 4,1 kW it start charging well. |
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But even in the app you can not plan a charge below 4,1kw |
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Maybe you have to specify the number of phases in the ocpp request, but I'm not familiar with the ocpp specification. It would be good if we could test it with evcc directly. I saw that @premultiply created a pull request (#19001) for the possibility to use W as Chargingrateunit. Does anyone know when the new template will be usable in evcc? |
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I got mine this Weekend. What would you like to know? |
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Got a EMMA? I would like to see the charger log when it triggers the charging process. |
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I just tested it in normal mode and in PV mode. I couldn't go below 4100 watts. As soon as I sent a higher value to the wallbox, it started charging again. I also turned off the wallbox's dynamic regulation. but that didn't work either. |
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I also tried it. But no chance... |
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@smoki3 I just wanted to charge my car in PV mode using the FusionSolar app. The charging process on the car won't start. I can't activate automatic phase switching in the submenu of the FusionSolar Android app either. The checkmark keeps resetting. It looks to me as if automatic phase switching doesn't work at all with this firmware. Can you confirm this? |
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There is a new firmware Version: V100R023C10SPC200T https://support.huawei.com/enterprise/de/fusioncharge/fusioncharge-pid-254563737 Could somebody share the changelog and the firmware? I don't have access. |
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will show what is going on. Remove |
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This is the output of the diagnose trace, but I still only see the contraint violation. @premultiply Please let me know if I am missing something here. |
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Yes, again and again, well known. Can still be ignored. |
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The issue, as previously mentioned, is: EVCC simply won‘t start. See the attached screenshot. I don‘t know what else to do or what further information I could provide to analyse this. @premultiply If there is anything, please let me know. |
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I observed that the user set in fusionsolar comissioning for huawei will be the I tried to run the command you gave in home assistant as below, had no real output: I downloaded windows version, and ran with the below command:
And that gave an output Here two traces are the ones that newly appear in comparision to normal running: and
For me it seems, that it will set the charger availability into operative mode and tries to get the configuration. In the end, it will timeout with fatal error and stops running. |
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Fingers crossed this will ever be solved. meanwhile I removed the Huawei Wallbox and bought a Tinkerforge WARP3. works brilliant now! The Huawei goes to my parents place since they don't have particular needs with surplus charging and just need a good stand a lone device |
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Fill these parameters with whatever you want. Important is to fill everything. If you already did some experiments with the HA integration or node script be sure to send a clear set charging profile command. |
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I didn't play around with HA or node script at all |
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Hello, I also own a Huawei Wallbox “SCharger 22KT-S0” and I am interested in a working solution with EVCC. What is the firmware I need to flash on the wallbox for EVCC to work? Unfortunately, I can't find any information on the official EVCC homepage about the configurations at the moment. I would be very happy if someone here could help me. Many thanks in advance. |
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Long story, short: Its not working up to now. In unofficial firmware has some bugs and its working smoothly. My latest feedback from you Huawei was they will release a OCPP firmware in May |
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Thanks a lot for fast response ... so I will wait and hope some time longer ;-) |
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There is a new firmware version V100R024C10SPC050. https://support.huawei.com/enterprise/de/fusioncharge/fusioncharge-pid-254563737 Somebody has access to the Release notes? Is ocpp added here? |
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We will see if this will be available for our product. |
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It's the DC version |
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DC version has a different support page, see here. |
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the release documents are combined:
The release notes have to be like this:
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You can also compare the Hardware version and Board Number And here also inside the release notes:
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Hello i have a question, do you know how to configure the OCPP communication? I have installed the new firmware and can access OCPP and make settings. Unfortunately there is no connection with EVCC. |
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Is the domain name same as the one evcc is displaying during the addition of the charger in the configuration ? , why not use the local IP adress where the evcc is running instead of relying a third-party dns ip router? |
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I am sry but where may i download the new Firmware? |
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on youf own Risk for me the OCCP is not working like @smoki3 has mentioned, Huawei shall release something fixed in may. |
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why do you think they will release a version with ocpp enabled in may? |
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I am on close Diskussion with the developer and provide them actually bug reports |
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I tried today and I had the same issue. Red blinking and not charging using PV
Verzonden vanaf Outlook voor Android<https://aka.ms/AAb9ysg>
…________________________________
From: BHouse ***@***.***>
Sent: Friday, April 4, 2025 4:16:42 PM
To: evcc-io/evcc ***@***.***>
Cc: MichaelX ***@***.***>; Manual ***@***.***>
Subject: Re: [evcc-io/evcc] Huawei FusionCharge Wallbox (Discussion #10262)
I am sry but where may i download the new Firmware? Just finding [FusionCharge V100R023C10SPC120] and the Documentations.
on youf own Risk
#10262 (reply in thread)<#10262 (reply in thread)>
for me the OCCP is not working like @smoki3<https://github.com/smoki3> has mentioned, Huawei shall release something fixed in may.
additionally my charger is blinking red and charged with minimal charhe 5.3kw ass a safemode
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Anyone see the charger is officially supported on the evcc page under chargers?
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…________________________________
From: András-Szabó István ***@***.***>
Sent: Saturday, April 19, 2025 6:44:15 PM
To: evcc-io/evcc ***@***.***>
Cc: MichaelX ***@***.***>; Manual ***@***.***>
Subject: Re: [evcc-io/evcc] Huawei FusionCharge Wallbox (Discussion #10262)
My charger lacks the ocpp settings.
I have software version 160, on two different chargers the same.
Anyone has experienced this lately?
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https://docs.evcc.io/docs/devices/chargers#huawei-scharger-7ks-s0--22kt-s0 |
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Hey everyone, Just a heads-up — I’ve opened a service ticket with Huawei and also made a detailed post on their official forum regarding the OCPP BootNotification bug affecting the SCharger-7KS/22KT-S0 (missing chargePointVendor in the payload). Here’s the post: If you’re experiencing the same issue or trying to integrate Huawei chargers with OCPP, feel free to drop a like, share your experience, or just keep it active. Hopefully, with enough visibility, we can get an official response or fix in an upcoming firmware release. Let’s show them we want proper OCPP support! |
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You have asked:
But the 160T version is already available. isn't it ? something like 200 version is planned for the release in May according to @smoki3 |
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160T is not based on 120 but on 060, and 160T is a release not a stable As of future versions, "something like version 200" is not good enough for me at least. I don't have access to huawei user center, but in the meantime I will register as a partner, untill then would be best if they tell us directly their plans. |
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Quick follow-up: I heard back from Huawei support regarding the BootNotification bug (where chargePointVendor is empty) on the SCharger-7KS/22KT-S0.
Fingers crossed we’ll get a solid release soon! 🤞 |
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How did you manage to get the ip of your Charger?
my Charger is connected as FE to the Inverter.
in my router i can see only the IP of the Inverter as the lwip.
…On Tue, Apr 29, 2025 at 4:23 PM András-Szabó István < ***@***.***> wrote:
Yes, I tried with two ocpp configurations:
1.
as domain:
domain: ws://192.168.2.39:8887/huawei
port: 8887
path: (nothing)
user, password: test
2.
as IP:
ip: 192.168.2.39
port: 8887
path: huawei
user, password: test
And as the docs say for evcc.yaml
chargers:
- name: charger
type: template
template: ocpp-huawei
stationid: huawei
The 192.168.2.50 *(charger)* can be *pinged* from 192.168.2.39 *(home
assistant)* and *port is exposed*.
This is what bunch of us experience @premultiply
<https://github.com/premultiply>
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This is a networking question, you have to find it in your router's dhcp leases table. |
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and others
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I tried to setup the evcc.yaml for the Huawei FusionCharge AC 22 kW Wallbox according to the Modbus documentation I was supplied with. It seems as if I need to provide specific keys for the Modbus registers. Could anyone help to modify my definition of the charger in order to make it work? Thank you!
chargers:
type: custom
power:
source: modbus
id: 1
uri: XXX.XXX.XXX.XXX:502
register:
address: 4108
type: holding
decode: uint32
status:
source: modbus
id: 1
uri: XXX.XXX.XXX.XXX:502
register:
address: 4110
type: holding
decode: uint32
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