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HMS-1600-4T - Geting no data of inverter for AllianceApps OpenDTU Fusion #1550
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Red means indeed no connection. But the last connected time was 16:13... maybe your solar panels don't get no light anymore? in this case the inverter is just off... |
The eventlog is received from the inverter. That means that you are receiving something! |
Are you using more than one DTU? I ask because the TimeSync messages in the log have strange end times. |
But now only the Opendtu is online. And here is the home view again: Here are some more log messages:
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I this case I assume you are using two DTU's? That not possible due to different frequency jumping algorithm etc. And are we talking about problems with an HM-1500 or an HMS-1600-4T? Seems you are mixing up screenshots here. |
Regarding the HMS-1600-4T are you using an European version of this inverter ? |
I've stopped the Hoymiles DTUs and now the OpenDTU is the only DTU online. But I still get the error. As it is dark now outside I will check tomorrow again.
I have two HM inverters one HM-1500 and a HMS-1600-4T. Both are connected with the DTU. And both gives me some headaches |
.... Puhh I don't know. I will check it... |
The other thing you can try: ensure GPIO2 and 3 of the CMT2300A chip are set to "-1". I got the issue that the interrupts triggered by the CMT2300A chip in GPIO2 and 3 upon transmitting/receiving data are not reaching the ESP32 chip (on pin 16 and 19), so the ESP32 chip is waiting forever for data to arrive: When you set them to "-1"=not configured, then the ESP32 chips is constantly asking CMT2300A "is new data there?" |
Thank you, at least this works for the HMS-1600-4T But unfortunately the HM-1500 is still offline :-( |
Hi, |
@Rustimation thanks for your hint, but he is using the OpenDTU Fusion board which has both an NRF24L01+ and an CMT2300A radio module on board. This is setup to work with both types of inverters 2.4GHz Bluetooth-like Enhanced Shockburst via NRF for 2nd Gen MI- (only in AhoyDTU at the moment as to my knowledge) and 3rd Gen HM- models and 868MHz Sub1G via CMT for both 3rd Gen communication protocol HMS- and HMT- models. @raebo did you compile the OpenDTU firmware yourself and which config (probably |
@stefan123t: I stand corrected. Thanks for clearing that up. I wasn't aware of this variant. |
Besides my own experience, this is the second example that the CMT2300A is not firing the interrupts it should fire on RX and TX. Who is familiar with configuring all the register of CMT2300A to look into what might be causing this? See in Discord where I posted a screenshot of a couple of registers I had monitored. I’m not quite sure how to debug on the side of CMT2300A if the interrupts are triggering or not. |
@Fribur maybe @lumapu or @DanielR92 still remember something about the IRQ registers ? |
Thank you for the clarification, my experiences in hardware hacking are quiet low.....so this is not an option for me So the conclusion for me is: HMS-1600-4T is working with the PIN setting "gpio2": -1, "gpio3": -1 HM-1500 is not working cause of the missing NRF wireless module
No, I did not compiled anything by myself. I downloaded the official binary release. @ALL thanks a lot for your support. Best regards |
@raebo did you use the official OpenDTU build or a specific build for the OpenDTU Fusion board ? And according to the docs from the Fusion board developers you should use the After flashing you should select the right device profile from the pin_mapping.json for your board, i.e. The OpenDTU Fusion board v2.1 does have both NRF and CMT hence it can communicate with both HM- and HMS-inverters a like. I am running the OpenDTU Fusion board with a custom build / fork from LennartF22 which supports the PoE hat available too. The Power-over-Ethernet add-on board is not (yet) supported with the stock firmware releases available at the original OpenDTU developed by tbnobody. |
@stefan123t I've loaded already the correct release file. This is what device info tells me: Regarding the custom builds from LennartF22, in my opinion those build are referenced here https://github.com/tbnobody/OpenDTU/releases. |
@stefan123t Do you have any further ideas how to fix my problem with the HM-1500?? Thanks |
@raebo thanks for pictures of some of your configuration. I would suggest you join our Discord channel as there are significantly more people able to help you troubleshoot your issue. Also you mention that you have an HMS-1500 (CMT2300A) and later you talk about HM-1500 (NRF24L01+) ? Though both chips are on the OpenDTU Fusion board, they should be distinguished when configuring the Inverter Serial IDs, etc. Also note that HMS-xxxxW models are again a different type which appeared on the market only this year (2023). |
Any news on this issue? Still occouring or can it be closed? |
I have the same issue I have bought the AllianceApps OpenDTU Fusion
Previously I had an Hoymiles DTU connected but I unplugged that one. For some reason it does not connect. The distance to the inverter is about 2M. So that shouldn't be the issue. What could cause this? What could I try to do? |
Instead of opening a new issue i will just comment here, because my issue is kinda similar to this one. I bought a DTU from blinkparts.com, soldered the parts and connected it with Wi-Fi and a HMS-2000-4T inverter. The distance to the inverter is roughly 2m.
Today I have the same problem. Upgraded to the most recent firmware (24.6.29) and set up the poll interval to 15s and the transmitting power to +20 dBm. These are the current console logs:
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What happened?
I've bought an AllianceApps OpenDTU Fusion from this page https://www.ebay.de/itm/126153383188?var=427155260485
The DTU is connected with the wlan and has the newest firmware.
Afte restarting the DTU both invertrs are online but after a couple of minutes I receive the following message:
The log gives me the following data
Here is picture of the inverter infos:
Thank you for your help and assistance
Greetings
Boris
To Reproduce Bug
OPEN DTU ist connected to the WLAN
I have two inverters:
The PIN Mapping file is attached
pin_mapping(1).json
Expected Behavior
The infoscreen for the inversters should be green.
But is unfortunately red
Event Log shows
Install Method
Pre-Compiled binary from GitHub
What git-hash/version of OpenDTU?
v23.11.16
Relevant log/trace output
Anything else?
No response
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