Comments (9)
kellerza
commented on June 18, 2024
1
You should use the BMS485 port on a 5kW, guess its the same on the 8kW
refer to the homepage for other connectivity tips
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wax911
commented on June 18, 2024
Thanks @kellerza I wasn't aware of that, I'm a little lost here, do you perhaps have an image of the BMS485 port you're referring to?
I can only see the RS485, CAN and DRMs
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kellerza
commented on June 18, 2024
Ok, 8kW seems to be RS485
Have you gone through these steps? https://github.com/kellerza/sunsynk#fault-finding
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wax911
commented on June 18, 2024
Going through the fault finding section now 🤔 I'll report back shortly with results
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wax911
commented on June 18, 2024
So after some tinkering and playing around with the modbus S/N I managed to get a different response along with a different adapter all together:
s6-init] making user provided files available at /var/run/s6/etc...exited 0.
[s6-init] ensuring user provided files have correct perms...exited 0.
[fix-attrs.d] applying ownership & permissions fixes...
[fix-attrs.d] done.
[cont-init.d] executing container initialization scripts...
[cont-init.d] done.
[services.d] starting services
[services.d] done.
2022-08-28 17:46:09,408 INFO Loading HASS OS configuration
2022-08-28 17:46:09,569 DEBUG last unit:kWh, id:total_pv_power
2022-08-28 17:46:09,570 DEBUG last unit:kWh, id:total_battery_charge
2022-08-28 17:46:09,570 DEBUG last unit:kWh, id:total_battery_discharge
2022-08-28 17:46:09,571 DEBUG last unit:kWh, id:total_grid_export
2022-08-28 17:46:09,572 DEBUG last unit:kWh, id:total_grid_import
2022-08-28 17:46:09,573 DEBUG last unit:%, id:battery_soc
2022-08-28 17:46:09,574 DEBUG step unit:W, id:grid_power
2022-08-28 17:46:09,575 DEBUG avg unit:V, id:grid_voltage
2022-08-28 17:46:09,576 DEBUG step unit:W, id:load_power
2022-08-28 17:46:09,577 DEBUG step unit:W, id:essential_power
2022-08-28 17:46:09,578 DEBUG step unit:W, id:non_essential_power
2022-08-28 17:46:09,579 DEBUG step unit:W, id:pv1_power
2022-08-28 17:46:09,580 DEBUG step unit:W, id:pv2_power
2022-08-28 17:46:09,581 DEBUG step unit:W, id:battery_power
2022-08-28 17:46:09,582 DEBUG step unit:A, id:battery_current
2022-08-28 17:46:09,582 DEBUG avg unit:V, id:battery_voltage
2022-08-28 17:46:09,583 DEBUG last unit:kWh, id:day_grid_import
2022-08-28 17:46:09,584 DEBUG last unit:kWh, id:day_grid_export
2022-08-28 17:46:09,585 DEBUG last unit:kWh, id:day_pv_energy
2022-08-28 17:46:09,586 DEBUG last unit:kWh, id:day_battery_charge
2022-08-28 17:46:09,587 DEBUG last unit:kWh, id:day_battery_discharge
2022-08-28 17:46:09,588 INFO Filter *last used for battery_soc, day_battery_charge, day_battery_discharge, day_grid_export, day_grid_import, day_pv_energy, total_battery_charge, total_battery_discharge, total_grid_export, total_grid_import, total_pv_power
2022-08-28 17:46:09,588 INFO Filter *step used for battery_current, battery_power, essential_power, grid_power, load_power, non_essential_power, pv1_power, pv2_power
2022-08-28 17:46:09,589 INFO Filter *avg used for battery_voltage, grid_voltage
2022-08-28 17:46:09,591 DEBUG Using selector: EpollSelector
2022-08-28 17:46:09,594 DEBUG Connecting.
2022-08-28 17:46:09,604 DEBUG Get address info pop-os.lan:502, type=<SocketKind.SOCK_STREAM: 1>
2022-08-28 17:46:09,640 DEBUG Getting address info pop-os.lan:502, type=<SocketKind.SOCK_STREAM: 1> took 33.963ms: [(<AddressFamily.AF_INET: 2>, <SocketKind.SOCK_STREAM: 1>, 6, 'pop-os.lan', ('192.168.8.184', 502))]
2022-08-28 17:46:09,656 DEBUG Client connected to modbus server
2022-08-28 17:46:09,657 INFO Protocol made connection.
2022-08-28 17:46:09,660 DEBUG <asyncio.TransportSocket fd=8, family=AddressFamily.AF_INET, type=SocketKind.SOCK_STREAM, proto=6, laddr=('172.30.33.3', 44406), raddr=('192.168.8.184', 502)> connected to pop-os.lan:502: (<_SelectorSocketTransport fd=8 read=polling write=<idle, bufsize=0>>, <pymodbus.client.asynchronous.async_io.ModbusClientProtocol object at 0x7f87a8bc40>)
2022-08-28 17:46:09,661 INFO Connected to pop-os.lan:502.
2022-08-28 17:46:09,668 DEBUG send: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:09,673 DEBUG Adding transaction 1
2022-08-28 17:46:10,202 DEBUG recv: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:10,203 DEBUG Processing: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:10,204 DEBUG Factory Response[ReadHoldingRegistersResponse: 3]
2022-08-28 17:46:10,205 DEBUG Getting transaction 1
2022-08-28 17:46:10,209 WARNING Did not complete read, only read 0/5
2022-08-28 17:46:10,210 DEBUG Request registers: [3, 4, 5, 6, 7] glen=5. Response [] len=0. regs={}
2022-08-28 17:46:10,213 INFO ############################################################
2022-08-28 17:46:10,214 INFO Inverter serial number 'None'
2022-08-28 17:46:10,215 INFO ############################################################
2022-08-28 17:46:10,215 INFO ############################################################
2022-08-28 17:46:10,216 INFO SUNSYNK_ID should be set to the serial number of your Inverter!
2022-08-28 17:46:10,217 INFO ############################################################
2022-08-28 17:46:10,220 DEBUG Close <_UnixSelectorEventLoop running=False closed=False debug=True>
[cmd] ./run.py exited 0
[cont-finish.d] executing container finish scripts...
[cont-finish.d] done.
[s6-finish] waiting for services.
[s6-finish] sending all processes the TERM signal.
28 Aug 2022 17:55:21 mbusd-0.5.1 started...
28 Aug 2022 17:55:21 tty: trying to open /dev/ttyUSB1 (speed 9600 mode 8N1)
28 Aug 2022 17:55:21 tty: state now is TTY_PAUSE
28 Aug 2022 17:55:21 conn_loop(): select(): max_sd = 4, t_out = 000000:100000
28 Aug 2022 17:55:21 conn_loop(): select() returns 0
28 Aug 2022 17:55:21 tty: state now is TTY_READY
28 Aug 2022 17:55:21 conn_loop(): select(): max_sd = 4, t_out = 000060:000000
28 Aug 2022 17:55:33 conn_loop(): select() returns 1
28 Aug 2022 17:55:33 conn_open(): accepting connection from 192.168.8.148
28 Aug 2022 17:55:33 queue_new_elem(): length now is 1
28 Aug 2022 17:55:33 conn[192.168.8.148]: state now is CONN_HEADER
28 Aug 2022 17:55:33 conn_loop(): select(): max_sd = 5, t_out = 000060:000000
28 Aug 2022 17:55:33 conn_loop(): select() returns 1
28 Aug 2022 17:55:33 conn[192.168.8.148]: state now is CONN_RQST_FUNC
28 Aug 2022 17:55:33 conn_loop(): select(): max_sd = 5, t_out = 000060:000000
28 Aug 2022 17:55:33 conn_loop(): select() returns 1
28 Aug 2022 17:55:33 conn[192.168.8.148]: read request fc 3
28 Aug 2022 17:55:33 conn[192.168.8.148]: state now is CONN_RQST_TAIL
28 Aug 2022 17:55:33 conn[192.168.8.148]: request: [01][03][00][03][00][05]
28 Aug 2022 17:55:33 conn[192.168.8.148]: state now is CONN_TTY
28 Aug 2022 17:55:33 tty: state now is TTY_RQST
28 Aug 2022 17:55:33 conn_loop(): select(): max_sd = 4, t_out = 000060:000000
28 Aug 2022 17:55:33 conn_loop(): select() returns 1
28 Aug 2022 17:55:33 tty: written 8 bytes
28 Aug 2022 17:55:33 tty: request written (total 8 bytes)
28 Aug 2022 17:55:33 tty: state now is TTY_RESP
28 Aug 2022 17:55:33 tty: estimated 15 bytes, waiting 523958 usec
28 Aug 2022 17:55:33 conn_loop(): select(): max_sd = 4, t_out = 000000:523958
28 Aug 2022 17:55:33 conn_loop(): select() returns 1
28 Aug 2022 17:55:33 tty: read 8 bytes
28 Aug 2022 17:55:33 tty: rx offset is 0
28 Aug 2022 17:55:33 tty: rx len changed from 15 to 5
28 Aug 2022 17:55:33 tty: read 8 bytes of 5, offset 0
28 Aug 2022 17:55:33 conn_loop(): select(): max_sd = 4, t_out = 000000:510791
28 Aug 2022 17:55:34 conn_loop(): select() returns 0
28 Aug 2022 17:55:34 tty: response read (total 8 bytes, offset 0 bytes)
28 Aug 2022 17:55:34 tty: response is correct
28 Aug 2022 17:55:34 tty: response: [01][03][00][03][00][05][75][c9]
28 Aug 2022 17:55:34 conn[192.168.8.148]: state now is CONN_RESP
28 Aug 2022 17:55:34 tty: state now is TTY_PAUSE
28 Aug 2022 17:55:34 conn_loop(): select(): max_sd = 5, t_out = 000000:100000
28 Aug 2022 17:55:34 conn_loop(): select() returns 1
28 Aug 2022 17:55:34 conn[192.168.8.148]: state now is CONN_HEADER
28 Aug 2022 17:55:34 conn_loop(): select(): max_sd = 5, t_out = 000000:099849
28 Aug 2022 17:55:34 conn_loop(): select() returns 0
28 Aug 2022 17:55:34 tty: state now is TTY_READY
28 Aug 2022 17:55:34 conn_loop(): select(): max_sd = 5, t_out = 000060:000000
28 Aug 2022 17:55:34 conn_loop(): select() returns 1
28 Aug 2022 17:55:34 conn_close(): closing connection from 192.168.8.148
28 Aug 2022 17:55:34 queue_delete_elem(): length now is 0
28 Aug 2022 17:55:34 conn_loop(): select(): max_sd = 4, t_out = 000060:000000
Config:
PORT: pop-os.lan:502
DRIVER: pymodbus
SUNSYNK_ID: "21070XXXXX"
SENSOR_PREFIX: sunsynk
SENSORS:
- total_pv_power
- total_battery_charge
- total_battery_discharge
- total_grid_export
- total_grid_import
- battery_soc
- grid_power
- grid_voltage
- load_power
- essential_power
- non_essential_power
- pv1_power
- pv2_power
- battery_power
- battery_current
- battery_voltage
- day_grid_import
- day_grid_export
- day_pv_energy
- day_battery_charge
- day_battery_discharge
PROFILES: []
MODBUS_SERVER_ID: 1
MQTT_HOST: core-mosquitto
MQTT_PORT: ######
MQTT_USERNAME: ######
MQTT_PASSWORD: ######
DEBUG: 2
TIME_OUT: 25
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kellerza
commented on June 18, 2024
Hi @wax911
You are not getting a (proper) response from the inverter...
Looking at this transaction
2022-08-28 17:46:09,661 INFO Connected to pop-os.lan:502.
2022-08-28 17:46:09,668 DEBUG send: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:09,673 DEBUG Adding transaction 1
2022-08-28 17:46:10,202 DEBUG recv: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:10,203 DEBUG Processing: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
2022-08-28 17:46:10,204 DEBUG Factory Response[ReadHoldingRegistersResponse: 3]
2022-08-28 17:46:10,205 DEBUG Getting transaction 1
2022-08-28 17:46:10,209 WARNING Did not complete read, only read 0/5
2022-08-28 17:46:10,210 DEBUG Request registers: [3, 4, 5, 6, 7] glen=5. Response [] len=0. regs={}
2022-08-28 17:46:10,213 INFO ############################################################
2022-08-28 17:46:10,214 INFO Inverter serial number 'None'
For some reason you read exactly what you send!
...
2022-08-28 17:46:09,668 DEBUG send: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
...
2022-08-28 17:46:10,202 DEBUG recv: 0x0 0x1 0x0 0x0 0x0 0x6 0x1 0x3 0x0 0x3 0x0 0x5
...
So are you sure you wired it up correctly?
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kellerza
commented on June 18, 2024
btw, what do you wire up? GND, A & B?
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wax911
commented on June 18, 2024
No idea why that happening to be honest, I've checked my connection multiple times and it's the same. I originally had only A & B tried with GND as well but to no success
I have resorted to using a WiFi data logger in conjunction with the home assistant solarman integration 😅 thanks for the support thus far, really appreciate it!
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kellerza
commented on June 18, 2024
You could maybe try swapping A&B. Really strange to get an echo... it almost seems like you have A&B bridged!
If you ever decide to try it again feel free to reach out.
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