I had the same with RPi3. In most cases I just had to manually reload the integration, in some other cases had to restart the OS.
I believe it is due to the RPi3 being slow and/or low memory, as it never happened again since I moved to RPi4
Today Iâve found a workaround. Iâve deleted all the sensors with reference to the Huawei Solar integration. After that the communication starts to work again
Did you find a solution because I am interested. I got rid of rode read for other integration and I would like to avoid to integrate it back for Huawei. Managing dynamically the time of charge discharge & standby via home assistant would be great. Keep us posted if you make progress.
Hello,
I have different electricity rates. Full price from 6:00 a.m. to 10:00 p.m. and low price from 10:00 p.m. to 6:00 a.m. Friday from 10:00 p.m. itâs low price until Monday morning 6:00 a.m.
The goal is that if the next day the solar forecast is not sufficient, I would like to charge the battery before 6:00 a.m. at the low price. To avoid charging the battery too quickly, I created a time sensor which calculates the start time of charging so that the battery is full at 6:00 a.m., then charging stops.
Here is the sensor which calculates the start time of battery charging:
- name: "Solaire : Heure début charge batterie depuis réseau"
device_class: timestamp
icon: "mdi:clock-end"
state: >
{% set kwh_batterie_total_capacite = 10 %}
{% set kwh_charge_from_grid = 4.7 %}
{% if now().weekday() in [5, 6] %}
{% set next_heure_tarif_plein = (now().replace(hour=6, minute=00, second=0, microsecond=0) + timedelta(days=1)) %}
{% else %}
{% set next_heure_tarif_plein = (now().replace(hour=6, minute=00, second=0, microsecond=0)) %}
{% endif %}
{% set batterie_kw_a_charger = kwh_batterie_total_capacite - ((states('sensor.battery_state_of_capacity_1') | float(default=0) | round(0) * kwh_batterie_total_capacite / 100 )) %}
{% set seconds_to_charge = ((batterie_kw_a_charger / kwh_charge_from_grid) * 3600) | int(default=0) | round(0) %}
{{ (next_heure_tarif_plein - timedelta(seconds=seconds_to_charge)) }}
availability: >
{{
states('sensor.battery_state_of_capacity_1') | is_number
}}
I created an automation which is triggered at the time calculated by the sensor. The automation triggers an input_boolean which enables/disables the battery charging service :
alias: "Solaire : Time Batterie Charge ON depuis le réseau"
trigger:
- platform: time
at: sensor.solaire_heure_debut_charge_batterie_depuis_reseau
id: Batterie_Charge
- platform: time
at: "05:58:00"
id: Batterie_Stop_Charge
condition: []
action:
- choose:
- conditions:
- condition: trigger
id:
- Batterie_Charge
sequence:
- service: input_boolean.turn_on
data: {}
target:
entity_id: input_boolean.solaire_batterie_charge_depuis_reseau
- conditions:
- condition: trigger
id:
- Batterie_Stop_Charge
sequence:
- service: input_boolean.turn_off
data: {}
target:
entity_id: input_boolean.solaire_batterie_charge_depuis_reseau
mode: single
It often happens that the battery charging trigger time falls when the inverter is unfortunately disconnected from HA. So I have an uncharged battery in the morning at 6:00 
What could I do to resolve the problem?
A check that sees if the battery charge is positive, everything is ok and if the battery charge is at 0, would there need to be a loop that activates the charge?
Do you have any ideas or solutions on how to program this?
Thank you and have a nice day at the forum
If this works and doesnât stop at 100% then that is perfect. It is only for a few hours normally, but sometimes it gets to 100% and I donât want it to discharge from the house battery into the EVâŠ
Hi guys,
I am trying to make an automation for my electric heater. I want the electric heater to turn on when the solar panels production is above 2kw.
I am not sure witch sensors should I use for this automation.
Does anyone can list the Huawei invertor sensors?
On my dev list in HA I have Huawei solar and Fusion Solar up and running.
This is the YAML code that I managed to script:
alias: Test Convector on
description: When PV real-time > 2.3Kw, turn on the electric heater
trigger:
- platform: numeric_state
entity_id: sensor.******_realtime_power
above: 2300
for:
hours: 0
minutes: 2
seconds: 0
condition:
- condition: device
type: is_off
device_id: *******
entity_id: **********
domain: light
- condition: device
device_id: **********
domain: climate
entity_id: ************
type: is_hvac_mode
hvac_mode: "off"
action:
- device_id: *********
domain: climate
entity_id: *********
type: set_hvac_mode
hvac_mode: heat
- type: turn_on
device_id: **********
entity_id: **********
domain: light
brightness_pct: 100
THX!
With WLCRS integration youâd be looking at the Active Power entity:
sensor.inverter_active_power_1 (from memory if you have 1 inverter)
sensor.inverters_active_power (if you have multiple inverters and defined a sensor for all of them).
What are you using for the automation / trigger to turn the heater off ?
Instead of the 2 minute statement to trigger youâve used,you need something to provide a averaged out kW over a 3-5min period instead. Iâm not sure if you could use the Derivate sensor to potentially provide a sensor showing the average over 5min ?
Also wouldnât you be needing to say you need Active Power to be âwhatever household base load isâ + 2.3kW before turning on the heater? i.e. no use if your PV are producing 3kW, you have the oven running and using 2kW (so 1 spare), but as production is 3kW your heater turns on, putting you at -1.3kW ?
Thx for responding!
My ideea was to turn on the electric heater on when the PV production is above 2.3kwh. If the oven goes on it means that the house will need at least 3.3kw and the the electric heather will have to turn off to give priority to the oven( the oven is not smart so I will need to get the instant power house consumption from one of the power meter or huawei solar sensors).
I have a 8Kwh system, monophasic with two 4kw Huawei inverters and one Dongle and a power meter.
The electric heater should resume when one of the big appliances( oven, dishwasher, washing machine) finishes their job.
Unfortunally for the last three weeks the Sun is hiding under the clouds and I cant test this automation in real environment.
With this weather I m stuck and I cant find the sensors that I need to run this automation.
So, I need your help to guide me to find the correct sensors.
Thank you!
Hi all,
I need some help with this integration. Iâm trying to connect to Huawei using the SDongleA-05.
I can connect to the Dongle, but HA is only finding out one entity, the power meter. Hence all the sensor data associated with the Inverter I canât see.
The only Slave ID I could connect to is 2. The dongle firmware is V100R001C00SPC125 and inverter is V100R001C00SPC153.
Is it possible there are other Slave IDs. I have tried 0,1,3 with no success.
Can someone help?
Answering myself, this was a bug in HA 2023.08
Thanks for sharing your Flow!
Looks really interesting.
But unfortunately I have syntax error by importing via copy & paste into node red.
Can you please share this flow via file for direct upload into node red?
Hi all,
Iâve been using this integration for a few years successfully, but recently it appears that the setting to set the amount of power discharged by the LUNA2000 has disappeared. This has resulted in my automations charging the battery to 100% in the offpeak tariff, and then all that saved battery being eaten during the offpeak overnight period by my EV which is also charging.
Previously I had it set so that my LUNA2000 would have a maximum discharge wattage of 0 when the offpeak period started and it would be set to 5000w once the offpeak period ended. How do I achieve this with the currently exposed controls from this integration?
Thanks,
Mike.
1 Like
Latest version:
flow.json downloaded from âexportâ in node red contains this
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15:00","server":"e187081d.522548","version":2,"outputs":1,"entityId":"sensor.time","entityIdFilterType":"exact","property":"state","comparator":"is","value":"15:00","valueType":"str","timeout":"0","timeoutType":"num","timeoutUnits":"seconds","checkCurrentState":true,"blockInputOverrides":true,"outputProperties":[],"entityLocation":"data","entityLocationType":"none","x":460,"y":560,"wires":[["b719229ece6196ac"]]},{"id":"b719229ece6196ac","type":"api-call-service","z":"03a07ff174a11e10","name":"Grid Charge ON","server":"e187081d.522548","version":5,"debugenabled":false,"domain":"switch","service":"turn_on","areaId":[],"deviceId":["4f1c2381da520ac3261aed46ff17811b"],"entityId":["switch.battery_charge_from_grid"],"data":"","dataType":"jsonata","mergeContext":"","mustacheAltTags":false,"outputProperties":[],"queue":"none","x":700,"y":560,"wires":[["031d836c1c4f1231"]]},{"id":"031d836c1c4f1231","type":"api-call-service","z":"03a07ff174a11e10","name":"Grid Charge to 100%","server":"e187081d.522548","version":5,"debugenabled":false,"domain":"number","service":"set_value","areaId":[],"deviceId":["4f1c2381da520ac3261aed46ff17811b"],"entityId":["number.battery_grid_charge_cutoff_soc"],"data":"{\"value\":100}","dataType":"json","mergeContext":"","mustacheAltTags":false,"outputProperties":[],"queue":"none","x":920,"y":560,"wires":[["29250f204b3fcb25"]]},{"id":"29250f204b3fcb25","type":"api-call-service","z":"03a07ff174a11e10","name":"TOU 6:00 22:00 - 02:00 05:59","server":"e187081d.522548","version":5,"debugenabled":true,"domain":"huawei_solar","service":"set_tou_periods","areaId":[],"deviceId":[],"entityId":[],"data":"{\"periods\":\"06:00-22:00/1234567/-\\n02:00-05:59/1234567/+\",\"device_id\":\"4f1c2381da520ac3261aed46ff17811b\"}","dataType":"json","mergeContext":"","mustacheAltTags":false,"outputProperties":[],"queue":"none","x":890,"y":600,"wires":[[]]},{"id":"73cb8f2f853d6f6c","type":"comment","z":"03a07ff174a11e10","name":"Set night charge at 15:00 before hibernation to be sure","info":"","x":580,"y":520,"wires":[]},{"id":"e187081d.522548","type":"server","name":"Home Assistant","addon":true}]
I would like to create a notification showing the daily total value from the solar_energy_riemann total in my energy dashboard is there any sensor where I can get this value?
Hi
Does anyone know why sun2000 started (again) constantly losing connection after the last HA update?
only works if HAâs hardware is rebooted, and after a couple of minutes fails again
Logger: pymodbus.logging
Source: custom_components/huawei_solar/__init__.py:92
Integration: Huawei Solar ([documentation](https://github.com/wlcrs/huawei_solar/wiki), [issues](https://github.com/wlcrs/huawei_solar/issues))
First occurred: 18:35:55 (6 occurrences)
Last logged: 18:45:29
* Failed to connect
* Failed to connect [Errno 113] Connect call failed ('192.168.200.1', 66
Logger: huawei_solar.huawei_solar
Source: /usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py:184
First occurred: 18:36:00 (1 occurrences)
Last logged: 18:36:00
Aborting client creation due to error.
Traceback (most recent call last):
File "/usr/local/lib/python3.11/asyncio/tasks.py", line 500, in wait_for
return fut.result()
^^^^^^^^^^^^
File "/usr/local/lib/python3.11/asyncio/locks.py", line 213, in wait
await fut
asyncio.exceptions.CancelledError
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 178, in create
await huawei_solar._initialize()
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 107, in _initialize
self.time_zone = (await self.get(rn.TIME_ZONE)).value
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 241, in get
return (await self.get_multiple([name], slave))[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 276, in get_multiple
response = await self._read_registers(registers[0].register, total_length, slave)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 396, in _read_registers
async with self._communication_lock():
File "/usr/local/lib/python3.11/contextlib.py", line 204, in __aenter__
return await anext(self.gen)
^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 145, in _communication_lock
raise err
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 141, in _communication_lock
await asyncio.wait_for(self._client.connected_event.wait(), WAIT_FOR_CONNECTION_TIMEOUT)
File "/usr/local/lib/python3.11/asyncio/tasks.py", line 502, in wait_for
raise exceptions.TimeoutError() from exc
TimeoutError
Iâm not sure if itâs the best or correct way, but this is how I do itâŠ
I use the TOU (time of use) periods to have the periods where I want the battery to be charging or discharging.
I then switch between âmaximise self consumptionâ modes and âtime of useâ to determine if I want the battery to be used or not.
For periods where I want to charge the battery, Iâm in TOU mode with a period of â+â and âcharge from gridâ enabled, with a limit of what I want (usually 3000).
To stop charging, but without discharging, I disable charge from grid.
Period 1: 00:00-07:59/1234567/+
Period 2: 08:00-13:59/1234567/-
Period 3: 14:00-17:59/1234567/+
Period 4: 18:00-21:59/1234567/-
Period 5: 22:00-23:59/1234567/+
For any other time when I want to use the battery I move back to âMaximise Self Consumptionâ.
Anyone else got a problem with the battery working mode as of late?
Have a script for changing the battery working mode thatâs been working for 6 month. Havenât used it for a few weeks and now it cant change to anything other then Adaptive. All other modes render an error.
Have updated to the latest 1.3.1 version.
Is there any change to the naming for calling the different work modes?
See below for a snippet of the code from my testing in the Development toolsâŠ
service: select.select_option
target:
entity_id: select.battery_working_mode
data:
option: Time Of Use
edit:
If I try anything other than âAdaptiveâ as option, HA returns that its not valid option for select.battery_working_mode
Also tried to revert to V1.3.0 but same fault.
had to install HA Beta to solve thisâŠ
Okey so I have solved this after some fiddeling.
After going back and forth between different version of this integration and finally updating HA to 2024.1
I got a new error message that actually showed all valid options and not only a general error.
So for anyone who stumble across this, here is the correct options that you can use to
change the battery working mode:
adaptive
fixed_charge_discharge
maximise_self_consumption
fully_fed_to_grid
time_of_use_luna2000
This is a sample of my code that now works
service: select.select_option
target:
entity_id: select.battery_working_mode
data:
option: time_of_use_luna2000
1 Like
Hi,
Iâm attempting to integrate my SUN2000-10KTL-M1 into my HA running on a RP4 and double checked that unrestricted Modbus TCP is enabled in the communication settings of the inverter via the installer account in FusionSolar. I tried all network connection variants mentioned in the documentation and adjusted the installer PW in const.py to match mine but keep running into below error and out of ideas. Any help and suggestions are highly appreciated.
Logger: huawei_solar.huawei_solar
Source: /usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py:184
First occurred: 00:21:40 (11 occurrences)
Last logged: 20:19:51
Aborting client creation due to error.
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/backoff/_async.py", line 151, in retry
ret = await target(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/backoff/_async.py", line 151, in retry
ret = await target(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 349, in _do_read
raise ConnectionInterruptedException(message)
huawei_solar.exceptions.ConnectionInterruptedException: Modbus client is not connected to the inverter.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 178, in create
await huawei_solar._initialize()
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 107, in _initialize
self.time_zone = (await self.get(rn.TIME_ZONE)).value
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 241, in get
return (await self.get_multiple([name], slave))[0]
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 276, in get_multiple
response = await self._read_registers(registers[0].register, total_length, slave)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 398, in _read_registers
return await _do_read()
^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/backoff/_async.py", line 159, in retry
await _call_handlers(on_giveup, **details, exception=e)
File "/usr/local/lib/python3.11/site-packages/backoff/_async.py", line 37, in _call_handlers
await handler(details)
File "/usr/local/lib/python3.11/site-packages/backoff/_async.py", line 16, in f
return coro_or_func(*args, **kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/local/lib/python3.11/site-packages/huawei_solar/huawei_solar.py", line 327, in backoff_giveup
raise ReadException(f"Failed to read register {register} after {details['tries']} tries")
huawei_solar.exceptions.ReadException: Failed to read register 43006 after 6 tries