Remote controls - KSTAR

[Derick8619]

hi,

Does this REPO allow full remote control features like whats available on the Solarman app or desktop interface?

Kind regards,

Derick

[davidrapan]

Yes but only for devices which has it configured in their yaml file.

[Derick8619]

I just looked at the modbus document and all of the remote controls have addresses so hopefully this is achievable

[davidrapan]

What yaml file and device are we talking about here?

[Derick8619]

The Kstar one

[davidrapan]

Do you have some idea (a list of few) which would be the most convenient to have them added? I'll take a look. 😉

[Derick8619]

Hi David,

Yes I started making the list earlier.

I shall send it to you in the morning :)

Also did you see my repository edit post I made earlier, will it work? (The new lines to pull individual battery docs)

kind regards,

derick

[Derick8619]

REGISTER ADDRESS.docx

Here is the draft list of remote registers that will be handy for users to be able to control the inverter.

I have noticed that the register addresses for setting charge/discharge times for PEAK SHIFT mode are missing in the MODBUS document (its well out of date, latest revision is from 2023) Kstar have made lots of changes recently so I have requested an updated MODBUS document before we look into implementing any remote control features as currently it will be 'half baked' and will make any automations impossible.

[Derick8619]

KSTAR Hybrid Inverter Modbus V2.8_2024.06.17_20240805142523 (1).pdf

Kstar very quickly sent me this updated document but its still missing the registers for TOU mode? Not sure they know what they are doing.

[davidrapan]

Kstar very quickly sent me this updated document

Nice, thanks.

but its still missing the registers for TOU mode?

Hmmm, maybe it could be probed with some luck? Dunno.

Not sure they know what they are doing.

I'm sure they do not. 😆

[Derick8619]

I have requested information for the missing registers 😉

Hopefully they have made a record somewhere 😆

[davidrapan]

Charge/Disharge_START/END_TIME-1/2 in the list have only modbus function codes for reading (04H). But I guess they should be also writable?

[Derick8619]

HI David, I am going mad, all the information required is on the MODBUS document and thus on the word doc i sent you

[Derick8619]

yes: Charge/Disharge_START/END_TIME-1/2 : these need to be able to write to the inverter to change the times

[Derick8619]

[Derick8619]

i had a go at doing it myself but its beyond me, when i press the buttons that error to the left appears

[Derick8619]

  - type: button
    name: Self-Consumption Mode
    tap_action:
      action: call-service
      service: modbus.write
      service_data:
        address: 3044
        value: 0
    hold_action:
      action: call-service
      service: modbus.write
      service_data:
        address: 3314
        value: 1
  - type: button
    name: Peak Shift Mode
    tap_action:
      action: call-service
      service: modbus.write
      service_data:
        address: 3044
        value: 1
  - type: button
    name: Battery Priority Mode
    tap_action:
      action: call-service
      service: modbus.write
      service_data:
        address: 3044
        value: 2

[Derick8619]

what might make this more complicated is on the desktop solarman when you select say 'self consumption' it also forces you to select 'self consumption charge enable: disable or enable' and also set 'self consumption start time: 00:00' and 'self consumption end time: 00:00' before you press the setup button which then changes the inverter state. maybe its impossible to do

[Derick8619]

[Derick8619]

not an issue for peak shift, you select that in the dropdown and the you can go straight to setup to send the command. Peak shift time settings stay static in TOU mode area.

Self consumption time settings get wiped everytime you switch modes forcing you to have to select ENABLE and re-enter the times every time

[davidrapan]

I will add those entities to the file for you, don't worry much about it now. 😉

[Derick8619]

Thanks David, your a star :)

[Derick8619]

https://acrobat.adobe.com/id/urn:aaid:sc:EU:27fc91d4-a172-4f92-abdb-9852a3dbd953

[Derick8619]

Latest modbus document :)

[davidrapan]

Please can you look into your inverter settings how are there represented (whole names) items for Work Mode? (0：SELF CSM, 1：PEAK SFT, 2：BAT PRIO)

[davidrapan]

I guess SELF CSM is Self Use/Self Consumption and BAT PRIO is Battery Priority but PEAK SFT means what?

[Derick8619]

peak shift is TOU mode, I can charge and discharge energy.

I don’t use battery priority, it’s a pointless feature imo

If you look at the screenshots, different options appear for each mode depending on whether you select peak shift or self consumption from the dropdown.

:)

[Derick8619]

I wonder if the modbus send command automatically actions the setup button (like overrides the need to press it?) I can’t see a modbus command on the document for a ‘setup’ command

[davidrapan]

Yes it overrides it all after you press setup.

[Derick8619]

Peak Shift means TOU enabled? So wouldn't be better to call it Time of Use?

Either or really? I guess customers of the inverter will be used to seeing peak shift mode though? That said if it makes the script easier to assemble then it won’t hurt.

[Derick8619]

Yes it overrides it all after you press setup.

How do you mean? If we send a modbus command will it need to see that button being pressed via and address?

[davidrapan]

I'm not sure i know what is the question now... 😆

[davidrapan]

Another one: what exactly controls Self-Consumption Charge Enable and Self-Consumption Charge/Discharge Start-Time?

[Derick8619]

[Derick8619]

[Derick8619]

This should be all the commands required for a great level of remote control (the word doc) I have sent screenshots from the new modbus doc (hopefully they still tally up).

hard for me to reference them right now as on my phone on a train journey 🤣

[Derick8619]

You have already done the battery soc ones. They are unrelated to remote control but really useful

[Derick8619]

Man, these commands take soooo long on solarmand at the moment. Hopefully will be quicker from HA

[davidrapan]

Hopefully will be quicker from HA

Yes, trust me. It is way easier to control it from HA. 😆

[Derick8619]

Will have to come back to you tonight. Signal flakey and I can’t see what’s going on with SOLARMAN atm

[davidrapan]

Yes. Not even one architecture across implemented inverters makes much sense to me.

[Derick8619]

Yes. Not even one architecture across implemented inverters makes much sense to me.

Yeah would be nice if they all followed some sort of standard template

[Derick8619]

Have you got a solar inverter yourself David?

[davidrapan]

Yes I have couple of SG04LP3 from Deye.

So registers 3160-3175 are Timed/Time of Use registers? Can you show me readings of let's say first two (3160 and 3161) using built-in action (Developer tools >> ACTIONS >> Solarman: Read Input Registers (Modbus Function Code 4))?

[Derick8619]

Yes I have couple of SG04LP3 from Deye.

So registers 3160-3175 are Timed/Time of Use registers? Can you show me readings of let's say first two (3160 and 3161) using built-in action (Developer tools >> ACTIONS >> Solarman: Read Input Registers (Modbus Function Code 4))?

Ah so there’s a way of getting data from the inverter (to see what the commands might do) without it running though a YAML.

I will have to pick back up with this on Thursday night as I am currently in London with family for a few days.

Looking forward to a result with this integration. It’s guna be so cool! 😎

[Derick8619]

Hi David, Im back!

[Derick8619]

[Derick8619]

[Derick8619]

I have no idea what the output of 12336 means?

[Derick8619]

If both registers 3160 and 3161 are returning 12336, this likely indicates that these registers are part of a predefined setting or configuration that is the same for both, possibly related to a TOU schedule.

Here are some potential interpretations of identical register values in this context:

Fixed TOU Parameters: The registers might define start and end times for TOU periods. If 3160 and 3161 are for the same TOU period, 12336 could be a placeholder or encoded setting for that period.

Inactive or Default TOU Mode: Some inverters return the same value across TOU registers if TOU mode is inactive or set to a default profile. 12336 could be a default code indicating that TOU scheduling hasn’t been customized.

Configuration Identifier: If the inverter uses a specific code to identify configurations, 12336 may signify the active TOU configuration. This would mean the registers are storing a profile ID rather than time values.

If your inverter's manual or documentation has any details on how TOU schedules are set or encoded, that would clarify it further. Alternatively, you could test changing TOU settings (if available) on the inverter and check if the register values update, which would confirm they are linked to TOU configurations.

You said:
Table 3.3.3
Register
Address Item Byte Data
Type Remark
High word Hour(tens) 1 U8 ASCII char
Hour (unit) 1 U8 ASCII char
Low word Minute(tens) 1 U8 ASCII char
Minute (unit) 1 U8 ASCII char
ChatGPT said:
ChatGPT
Based on Table 3.3.3, it appears that registers like 3160 and 3161 are storing time values in an ASCII-encoded format, where each byte represents a character corresponding to hours and minutes. Here’s how to interpret the value 12336 in this format:

Split the High and Low Words:

High Word (Hour): Encodes the hour in tens and units.
Low Word (Minute): Encodes the minute in tens and units.
Extracting Hours and Minutes:

First, we’ll convert 12336 into hexadecimal form, which may help us separate the values into individual bytes:
12336 in hexadecimal is 0x3030.
According to Table 3.3.3:
Hour (tens) and Hour (unit) are stored in the first two bytes (high word), which are 30 30 in hex.
Minute (tens) and Minute (unit) are stored in the last two bytes (low word), also 30 30 in hex.
Interpreting ASCII Encoding:

In ASCII, 0x30 represents the character '0'.
So 0x3030 translates to 00 for both hours and minutes, meaning that 12336 likely represents 00:00 (midnight).
This suggests that registers 3160 and 3161 may default to 00:00 if not specifically set. If you can configure a TOU schedule in the inverter’s settings, you could try setting a specific time and re-reading the registers to verify that they update accordingly.

[Derick8619]

from chatgpt

[Derick8619]

[davidrapan]

You don't have to spill out so many info, really. 😆

Okay do for me reading of address 3160 and set quantity to 15.

[Derick8619]

You don't have to spill out so many info, really. 😆

Okay do for me reading of address 3160 and set quantity to 15.

sorry!

[Derick8619]

"3160": 12336
"3161": 12336
"3162": 12336
"3163": 12336
"3164": 12336
"3165": 12336
"3166": 12336
"3167": 12336
"3168": 12336
"3169": 12336
"3170": 12336
"3171": 12336
"3172": 12336
"3173": 12336
"3174": 12336

[Derick8619]

I entered this into the config file and it gave me ALL of the relevant controls i need. what the hell?

Loads default set of integrations. Do not remove.
default_config:

Load frontend themes from the themes folder
frontend:
themes: !include_dir_merge_named themes

Include automations, scripts, and scenes
automation: !include automations.yaml
script: !include scripts.yaml
scene: !include scenes.yaml

Modbus configuration
modbus:

• name: my_modbus_hub # Name for your Modbus hub
  type: tcp
  host: 192.168.1.10 # Replace with your inverter's IP address
  port: 502 # Default Modbus TCP port

Adding sensors and write commands for your inverter
sensor:

• platform: modbus
  registers:
  • name: inverter_working_mode
    hub: my_modbus_hub
    address: 3044
    count: 1
    data_type: uint16

Add any additional sensors as needed...

[davidrapan]

And after you do that reading for me show me also how you have currently configured all of the timed settings on your inverter.

[Derick8619]

[Derick8619]

i am well out of my depth, CHATgpt got me to this point. im really surpised that by entering that in the config file it has essentially given all of the relevant settings that i need. any idea how that works?

[Derick8619]

So show me how are the times currently set in the solarman app or directly in the inverter settings.

when i try to set the times on HAS its giving me that error (see screenshot) times are not updating on the solarman app OR the inverter interface

[Derick8619]

probably needs some kind of special code entered in the times (hexadecimal or something)?

[davidrapan]

Please again, can you show me how it's currently configured? I'm not talking about HA but Solarman App / Inverter settings (directly on the device).

[Derick8619]

[Derick8619]

it looks like 'battery grid charging start' is pulling data as shows 5:12 even when i refresh HA

[davidrapan]

Can you also show me reading of register 3317 with quantity set to 2?
"3317": 512
"3318": 1536

Were Self-consumption charge start and end set to 2:00 and 5:00 during this reading?

[Derick8619]

Set from Solarman App also all the values Charge Discharge Start End 1-3 times so they all have some values (not 00:00). and then do the reading of 3160 with quantity set to 16 again please.

set all the times on SA to 01:00

"3160": 12337
"3161": 12336
"3162": 12337
"3163": 12336
"3164": 12337
"3165": 12336
"3166": 12337
"3167": 12336
"3168": 12337
"3169": 12336
"3170": 12337
"3171": 12336
"3172": 12337
"3173": 12336
"3174": 12337
"3175": 12336

[Derick8619]

Can you also show me reading of register 3317 with quantity set to 2?
"3317": 512
"3318": 1536

Were Self-consumption charge start and end set to 2:00 and 5:00 during this reading?

they were set at 02:00 and 06:00

I have just changed them back to the actual times i use normally 02:00 and 05:00, re read and got

"3317": 512
"3318": 1280

[davidrapan]

set all the times on SA to 01:00

Can you also set some other value so I can see some difference, haha. 😆

they were set at 02:00 and 06:00
I have just changed them back to the actual times i use normally 02:00 and 05:00, re read and got
"3317": 512
"3318": 1280

Good, I'll fix those.

[Derick8619]

set all the times on SA to 01:00

Can you also set some other value so I can see some difference, haha. 😆

beat you to it ha ha

[Derick8619]

tried setting times like this and this is another output, might be helpful

"3160": 12337
"3161": 12337
"3162": 12338
"3163": 12338
"3164": 12339
"3165": 12339
"3166": 12340
"3167": 12340
"3168": 12341
"3169": 12341
"3170": 12342
"3171": 12342
"3172": 12343
"3173": 12343
"3174": 12344
"3175": 12344

[davidrapan]

also can we please change the battery discharge/charge min rate to 1% as solarman does not actually allow you to enter 0%. im worried a manual change could have undesired effects.

Okay, I will.

[Derick8619]

can i email you my link and creds? im on the cloud for has

What about iMessage?

or whatsapp, i am in the u.k (it might cost us otherwise) *redacted_phone_number*

[davidrapan]

??? I mean iMessage and not SMS, iMessage is free (blue bubble!). 😆

[Derick8619]

??? I mean iMessage and not SMS, iMessage is free (blue bubble!). 😆

I have only recently got an iphone, not sure on imessage function . send me a message and i will reply, hopefully free?

[davidrapan]

I have only recently got an iphone, not sure on imessage function . send me a message and i will reply, hopefully free?

Yes iPhone users can talk with each other using iMessage for free. 😆

[Derick8619]

[Derick8619]

[davidrapan]

So I added that button in feat: Add button platform, wait for new release of the integration. 😉

[Derick8619]

DIAMOND