sunsynk.yaml

# Once jinja templates are merged we can programatically enable/disable PV sensors with a boolean substitiution at the top of the script
# see: https://github.com/esphome/esphome/discussions/3969#discussioncomment-4016197

esphome:
  name: "sunsynk"

esp32:
  board: esp32dev
  framework:
    type: arduino

#################################### GLOBALS ####################################
substitutions:
  modbus_update_interval: "3s"
  settings_skipped_updates: "10"
  query_throttle: "50ms"


#################################### STATIC SECTION ####################################
wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  fast_connect: true
  ap:
    ssid: '${device_name}'
    password: !secret fallback_password

ota:
  safe_mode: true
  reboot_timeout: 10min
  num_attempts: 5

#web_server:
#  port: 80
#  auth:
#    username: !secret esphome_web_username
#    password: !secret esphome_web_password
#switch:
#  - platform: restart
#    name: "${device_name} Restart"

captive_portal:

# Enable logging
logger:
  baud_rate: 0

# Enable Home Assistant API
api:
  password: !secret esphome_api_password

# https://esphome.io/components/time.html#home-assistant-time-source
time:
  - platform: homeassistant
    id: homeassistant_time

#################################### STATIC SECTION ####################################

uart:
 id: mod_bus
 tx_pin: 17
 rx_pin: 16
 baud_rate: 9600
 stop_bits: 1
 
modbus:
 id: sunsynk_modbus
 flow_control_pin: 4
 
modbus_controller:
 - id: sunsynk_esphome
   address: 0x01
   modbus_id: sunsynk_modbus
   setup_priority: -10
   update_interval: 5000ms
 
sensor: 

- platform: modbus_controller          # 060 DayActive Power Wh
  modbus_controller_id: sunsynk_esphome
  name: "SS DayActive Power"
  id: sunsynk_esphome_day_activepower
  register_type: holding
  address: 60
  unit_of_measurement: "kWh"
  accuracy_decimals: 1
  device_class: energy
  state_class: total_increasing
  filters: #GOOD
   - lambda: |-
          x = x / 10;
          float MAX_VALUE = 32767;
          if (x > MAX_VALUE) return (0 - 65535) /1;
          else return (x) /1;

- platform: modbus_controller          # 061 DayReactive Power Wh
  modbus_controller_id: sunsynk_esphome
  name: "SS DayReactive Power"
  id: sunsynk_esphome_day_reactivepower
  register_type: holding
  address: 61
  unit_of_measurement: "kWh"
  accuracy_decimals: 1
  device_class: energy
  state_class: total_increasing
  filters: #GOOD
   - lambda: |-
          x = x / 10;
          float MAX_VALUE = 32767;
          if (x > MAX_VALUE) return (0 - 65535) /1;
          else return (x) /1;

- platform: modbus_controller          # 070 Battery Charge Day
  modbus_controller_id: sunsynk_esphome
  name: "SS Battery Charge Day"
  id: sunsynk_esphome_battery_charge_day
  register_type: holding
  address: 70
  unit_of_measurement: "kWh"
  accuracy_decimals: 1
  device_class: energy
  state_class: total_increasing
  filters: #GOOD
   - lambda: |-
          x = x / 10;
          float MAX_VALUE = 32767;
          if (x > MAX_VALUE) return (0 - 65535) /1;
          else return (x) /1;

- platform: modbus_controller          # 071 Battery Discharge Day
  modbus_controller_id: sunsynk_esphome
  name: "SS Battery Discharge Day"
  id: sunsynk_esphome_battery_discharge_day
  register_type: holding
  address: 71
  unit_of_measurement: "kWh"
  accuracy_decimals: 1
  device_class: energy
  state_class: total_increasing
  filters: #GOOD
   - lambda: |-
          x = x / 10;
          float MAX_VALUE = 32767;
          if (x > MAX_VALUE) return (0 - 65535) /1;
          else return (x) /1;


- platform: modbus_controller          #72 Battery Charge Total
  modbus_controller_id: sunsynk_esphome
  name: "SS Battery Charge Total"
  id: sunsynk_esphome_battery_charge_total
  register_type: holding
  address: 72
  unit_of_measurement: "kWh"
  accuracy_decimals: 1
  device_class: energy
  state_class: total_increasing
  filters:
   - lambda: |-
          x = x / -1;
          if (x > 32767) return (0 - x + 65535) /10;
          else return (0 - x) /10;

- platform: modbus_controller          #74 Battery Discharge Total
  modbus_controller_id: sunsynk_esphome
  name: "SS Battery Discharge Total"
  id: sunsynk_esphome_battery_discharge_total
  register_type: holding
  address: 74
  unit_of_measurement: "kWh"
  accuracy_decimals: 0
  device_class: energy
  state_class: total_increasing
  filters:
   - lambda: |-
          if (x > 32767) return (x - 65535) /10;
          else return (x) /10;

- platform: modbus_controller          #076 Grid Import Day (Buy)
  modbus_controller_id: sunsynk_esphome
  name: "SS Grid Import Day (Buy)"
  id: sunsynk_esphome_grid_import_day
  register_type: holding
  address: 76
  unit_of_measurement: "kWh"
  accuracy_decimals: 0
  device_class: energy
  state_class: total_increasing
  filters: # GOOD
   - lambda: |-
          if (x > 32767) return (x - 65535) / 10;
          else return x /10;

 #- platform: modbus_controller          #077 Grid Export Day (Sell)
 #  modbus_controller_id: sunsynk_esphome
 #  name: "SS Day_GridSell_Power (Sell)"
 #  id: sunsynk_esphome_Day_GridSell_Power
 #  register_type: holding
 #  address: 77
 #  unit_of_measurement: "kWh"
 #  accuracy_decimals: 0
 #  device_class: energy
 #  state_class: total_increasing
 #  filters: # GOOD
 #   - lambda: |-
 #          if (x > 32767) return (x - 65535) / 10;
 #          else return x /10;

- platform: modbus_controller          # 78 Grid Import Total (Buy)
  modbus_controller_id: sunsynk_esphome
  name: "SS Grid Import Total (Buy)"
  id: sunsynk_esphome_grid_import_total_buy
  register_type: holding
  address: 78
  unit_of_measurement: "kWh"
  accuracy_decimals: 0
  device_class: energy
  state_class: total_increasing
  filters: #GOOD
   - lambda: |-
          x = x / -1;
          if (x > 32767) return (0 - x + 65535) /1;
          else return (0 - x) /1;

- platform: modbus_controller          # 079 Grid Frequency
  modbus_controller_id: sunsynk_esphome
  name: "SS Grid Frequency"
  id: sunsynk_esphome_grid_frequency
  register_type: holding
  address: 79
  unit_of_measurement: "hz"
  accuracy_decimals: 2
  filters: #GOOD
   - lambda: |-
          if (x > 32767) return (x - 65535) /100;
          else return (x) /100;
  #device_class: none
  state_class: measurement

# - platform: modbus_controller          # 80 Grid Buy Total 
#   modbus_controller_id: sunsynk_esphome
#   name: "SS Total_Grid Buy_Power"
#   id: sunsynk_esphome_Total_Grid Buy_Power
#   register_type: holding
#   address: 80
#   unit_of_measurement: "kWh"
#   accuracy_decimals: 2
#   device_class: energy
#   state_class: total_increasing
#   filters:
#    - lambda: |-
#           if (x > 32767) return (x - 65535) / 10;
#           else return x /10;

# - platform: modbus_controller          # 81 Grid Export Total (Sell)
#   modbus_controller_id: sunsynk_esphome
#   name: "SS Grid Export Total (Sell)"
#   id: sunsynk_esphome_grid_export_total_sell
#   register_type: holding
#   address: 81
#   unit_of_measurement: "kWh"
#   accuracy_decimals: 2
#   device_class: energy
#   state_class: total_increasing
#   filters:
#    - lambda: |-
#           if (x > 32767) return (x - 65535) / 10;
#           else return x /10;

-  platform: modbus_controller         # 85 Load Power Total
   modbus_controller_id: sunsynk_esphome
   name: "SS Load Power Total"
   id: sunsynk_esphome_load_power_total
   register_type: holding
   address: 85
   unit_of_measurement: "kWh"
   accuracy_decimals: 0
   device_class: energy
   state_class: total_increasing
   filters: #GOOD
   - lambda: |-
          if (x > 32767) return (0 - x + 65535) /1;
          else return (0 - x) /1;
 
-  platform: modbus_controller          # 090 DC Transformer Temperature
   modbus_controller_id: sunsynk_esphome
   name: "SS DC Transformer Temperature"
   id: sunsynk_esphome_dctransformer_temperature
   register_type: holding
   address: 090
   unit_of_measurement: "°C"
   accuracy_decimals: 1
   device_class: temperature
   state_class: measurement
   filters: # GOOD
    - lambda: |-
           if (x > 32767) return ((x - 65535)-1000) / 10;
           else return ((x)-1000) / 10;

-  platform: modbus_controller          # 091 Radiator Temperature
   modbus_controller_id: sunsynk_esphome
   name: "SS DC Radiator Temperature"
   id: sunsynk_esphome_radiator_temperature
   register_type: holding
   address: 091
   unit_of_measurement: "°C"
   accuracy_decimals: 1
   device_class: temperature
   state_class: measurement
   filters: # GOOD
    - lambda: |-
           if (x > 32767) return ((x - 65535)-1000) / 10;
           else return ((x)-1000) / 10;

# - platform: modbus_controller            # 92 
#   modbus_controller_id: sunsynk_esphome
#   name: "SS Total_Gen_power"
#   id: sunsynk_esphome_Total_Gen_power
#   register_type: holding
#   address: 092
#   unit_of_measurement: "kWh"
#   accuracy_decimals: 0
#   device_class: energy
#   state_class: measurement
#   filters:
#     - multiply: 0.1

 
# - platform: modbus_controller            # 95 Environment Temp
#   modbus_controller_id: sunsynk_esphome
#   name: "SS Environment Temp"
#   id: sunsynk_esphome_environment_temperature
#   register_type: holding
#   address: 095
#   unit_of_measurement: "°C"
#   accuracy_decimals: 0
#   device_class: temperature
#   state_class: measurement
#   filters:
#     - multiply: 0.1

# - platform: modbus_controller          # 96 Total PV Power
#   modbus_controller_id: sunsynk_esphome
#   name: "SS Total PV Power (kWh)"
#   id: sunsynk_esphome_total_pv_power_kwh
#   register_type: holding
#   address: 96
#   unit_of_measurement: "kWh"
#   accuracy_decimals: 2
#   device_class: energy
#   state_class: total_increasing
#   filters:
#     - multiply: 0.1

- platform: modbus_controller          #108 Solar PV Day (Production)
  modbus_controller_id: sunsynk_esphome
  name: "SS Solar PV Day"
  id: sunsynk_esphome_Solar_PV_day
  register_type: holding
  address: 108
  unit_of_measurement: "kWh"
  accuracy_decimals: 0
  device_class: energy
  state_class: total_increasing
  filters: # GOOD
   - lambda: |-
          x = x / 1;
          float MAX_VALUE = 32767;
          if (x > MAX_VALUE) return (0 - 65535) / 10;
          else return x /10;

-  platform: modbus_controller           # 109 PV1 Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS PV1 Voltage"
   id: sunsynk_esphome_pv1_voltage
   register_type: holding
   address: 109
   unit_of_measurement: "V"
   accuracy_decimals: 2
   device_class: voltage
   state_class: measurement
   filters:
   - multiply: 0.1

-  platform: modbus_controller           # 110 PV1 Amps
   modbus_controller_id: sunsynk_esphome
   name: "SS PV1 Amps"
   id: sunsynk_esphome_pv1_amps
   register_type: holding
   address: 110
   unit_of_measurement: "A"
   accuracy_decimals: 2
   device_class: current
   state_class: measurement
   filters:
   - multiply: 0.1

-  platform: modbus_controller           # 111 PV2 Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS PV2 Voltage"
   id: sunsynk_esphome_pv2_voltage
   register_type: holding
   address: 111
   unit_of_measurement: "V"
   accuracy_decimals: 2
   device_class: voltage
   state_class: measurement
   filters:
   - multiply: 0.1
   

-  platform: modbus_controller           # 112 PV2 Amps
   modbus_controller_id: sunsynk_esphome
   name: "SS PV2 Amps"
   id: sunsynk_esphome_pv2_amps
   register_type: holding
   address: 112
   unit_of_measurement: "A"
   accuracy_decimals: 2
   device_class: current
   state_class: measurement
   filters:
   - multiply: 0.1

# - platform: modbus_controller           # 113 PV3 Voltage
#   modbus_controller_id: sunsynk_esphome
#   name: "SS PV3 Voltage"
#   id: sunsynk_esphome_pv3_voltage
#   register_type: holding
#   address: 113
#   unit_of_measurement: "V"
#   accuracy_decimals: 2
#   device_class: voltage
#   state_class: measurement
#   filters:
#   - multiply: 0.1
   

#- platform: modbus_controller           # 114 PV3 Amps
#   modbus_controller_id: sunsynk_esphome
#   name: "SS PV3 Amps"
#   id: sunsynk_esphome_pv3_amps
#   register_type: holding
#   address: 114
#   unit_of_measurement: "A"
#   accuracy_decimals: 2
#   device_class: current
#   state_class: measurement
#   filters:
#   - multiply: 0.1



-  platform: modbus_controller         # 150 Grid Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS Grid Voltage"
   id: sunsynk_esphome_grid_voltage
   register_type: holding
   address: 150
   unit_of_measurement: "V"
   accuracy_decimals: 1
   filters: #GOOD
     - lambda: |-
           if (x > 32767) return (x - 65535) /10;
           else return (x) /10;
   device_class: voltage
   state_class: measurement
   
-  platform: modbus_controller          # 154 Grid Inverter Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS Grid Inverter Voltage"
   id: sunsynk_esphome_grid_inverter_voltage
   register_type: holding
   address: 154
   unit_of_measurement: "V"
   accuracy_decimals: 1
   filters: #GOOD
     - lambda: |-
           if (x > 32767) return (x - 65535) /10;
           else return (x) /10;
   device_class: voltage
   state_class: measurement
 
-  platform: modbus_controller          # 167 Grid Inverter Load
   modbus_controller_id: sunsynk_esphome
   name: "SS Grid Inverter Load"
   id: sunsynk_esphome_grid_inverter_load
   register_type: holding
   address: 167
   unit_of_measurement: "W"
   accuracy_decimals: 0
   filters: #GOOD
     - lambda: |-
           if (x > 32767) return (x - 65535) /1;
           else return (x) /1;
   device_class: power
   state_class: measurement
 
-  platform: modbus_controller          # 169 Grid Power
   modbus_controller_id: sunsynk_esphome
   name: "SS Grid Power"
   id: sunsynk_esphome_grid_power
   register_type: holding
   address: 169
   unit_of_measurement: "W"
   accuracy_decimals: 0
   device_class: power
   state_class: measurement
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (x - 65535) /1;
           else return (x) /1;

-  platform: modbus_controller          # 175 Inverter Output Power
   modbus_controller_id: sunsynk_esphome
   name: "SS Inverter Output Power"
   id: sunsynk_esphome_inverter_output_power
   register_type: holding
   address: 175
   unit_of_measurement: "W"
   accuracy_decimals: 1
   device_class: power
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (0 - x + 65535) /-1;
           else return (0 - x) /-1;


-  platform: modbus_controller          # 178 Load Power
   modbus_controller_id: sunsynk_esphome
   name: "SS Load Power"
   id: sunsynk_esphome_load_power
   register_type: holding
   address: 178
   unit_of_measurement: "W"
   accuracy_decimals: 0
   device_class: power
   state_class: measurement
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (x - 65535) /1;
           else return (x) /1;

-  platform: modbus_controller          # 181 Gen Power - I think
   modbus_controller_id: sunsynk_esphome
   name: "SS Gen Power"
   id: sunsynk_esphome_gen_power
   register_type: holding
   address: 181
   unit_of_measurement: "W"
   accuracy_decimals: 0
   device_class: power
   state_class: measurement
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (x - 65535) /1;
           else return (x) /1; 

  
-  platform: modbus_controller          # 182 Battery Temperature
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery Temperature"
   id: sunsynk_esphome_battery_temperature
   register_type: holding
   address: 182
   unit_of_measurement: "°C"
   accuracy_decimals: 1
   device_class: temperature
   state_class: measurement
   filters: # GOOD
    - lambda: |-
           if (x > 32767) return ((x - 65535)-1000) / 10;
           else return ((x)-1000) / 10;
   
-  platform: modbus_controller          # 183 Battery Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery Voltage"
   id: sunsynk_esphome_battery_voltage
   register_type: holding
   address: 183
   unit_of_measurement: "V"
   accuracy_decimals: 1
   filters: #GOOD
     - lambda: |-
           if (x > 32767) return (x - 65535) / 100;
           else return x / 100;
   device_class: voltage
   state_class: measurement
   
-  platform: modbus_controller          # 184 Battery SOC
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery SOC"
   id: sunsynk_esphome_battery_soc
   register_type: holding
   address: 184
   unit_of_measurement: "%"
   accuracy_decimals: 0
   device_class: battery
   state_class: measurement
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (x - 65535) /1;
           else return (x) /1;

-  platform: modbus_controller         #186 PV1 Power
   modbus_controller_id: sunsynk_esphome
   name: "SS PV1 Power"
   id: sunsynk_esphome_pv1_power
   register_type: holding
   address: 186
   unit_of_measurement: "W"
   accuracy_decimals: 2
   device_class: power
   state_class: measurement

  
-  platform: modbus_controller         #187 PV2 Power
   modbus_controller_id: sunsynk_esphome
   name: "SS PV2 Power"
   id: sunsynk_esphome_pv2_power
   register_type: holding
   address: 187
   unit_of_measurement: "W"
   accuracy_decimals: 2
   device_class: power
   state_class: measurement

 #- platform: modbus_controller         #188 PV3 Power
 #  modbus_controller_id: sunsynk_esphome
 #  name: "SS PV3 Power"
 #  id: sunsynk_esphome_pv3_power
 #  register_type: holding
 #  address: 188
 #  unit_of_measurement: "W"
 #  accuracy_decimals: 2
 #  device_class: power
 #  state_class: measurement

 #- platform: modbus_controller         #189 PV4 Power
 #  modbus_controller_id: sunsynk_esphome
 #  name: "SS PV4 Power"
 #  id: sunsynk_esphome_pv4_power
 #  register_type: holding
 #  address: 189
 #  unit_of_measurement: "W"
 #  accuracy_decimals: 2
 #  device_class: power
 #  state_class: measurement


-  platform: modbus_controller         #190 Battery Output power
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery output power"
   id: sunsynk_esphome_Battery_output_power
   register_type: holding
   address: 190
   unit_of_measurement: "W"
   accuracy_decimals: 2
   device_class: power
   state_class: measurement

-  platform: modbus_controller          # 191 Battery Output Current
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery Output Current"
   id: sunsynk_esphome_battery_output_current
   register_type: holding
   address: 191
   unit_of_measurement: "A"
   accuracy_decimals: 1
   device_class: current
   state_class: measurement
   filters: #GOOD
    - lambda: |-
          if (x > 32767) return (0 - x + 65535) /100;
          else return (0 - x) /100;


-  platform: modbus_controller          # 216 Battery Charging Efficiency
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery Charging Efficiency"
   id: sunsynk_esphome_battery_charging_efficiency
   register_type: holding
   address: 216
   unit_of_measurement: "%"
   accuracy_decimals: 1
   device_class: battery
   state_class: measurement
   filters: #GOOD
    - lambda: |-
           if (x > 32767) return (x - 65535) /10;
           else return (x) /10;

-  platform: modbus_controller          # 312 Battery Charge Voltage
   modbus_controller_id: sunsynk_esphome
   name: "SS Battery Charge Voltage"
   id: sunsynk_esphome_battery_charge_voltage
   register_type: holding
   address: 312
   unit_of_measurement: "V"
   accuracy_decimals: 1
   filters: #GOOD
     - lambda: |-
           x = x / -1;
           if (x > 32767) return (0 - x + 65535) /100;
           else return (0 - x) /100;
   device_class: voltage
   state_class: measurement


############################################### BINARY SENSORS ###############################################
binary_sensor:
 - platform: modbus_controller          # 194 Grid Connected Status
   modbus_controller_id: sunsynk_esphome
   name: "SS Grid Connected Status"
   id: sunsynk_esphome_grid_connected_status
   register_type: holding
   address: 194



############################################### BINARY SENSORS SETTINGS ###############################################  

 - platform: modbus_controller          # 248 Settings Use Timer Enabled
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Use Timer Enabled"
   id: sunsynk_esphome_setting_use_timer_enabled
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 248
   bitmask: 1

 - platform: modbus_controller          # 244 Settings Load Limit Enabled
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Load Limit Enabled"
   id: sunsynk_esphome_setting_load_limit2
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 244

 - platform: modbus_controller          # 274 Settings Grid Charge Timezone1
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone1"
   id: sunsynk_esphome_setting_grid_charge_timezone1
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 274

 - platform: modbus_controller          # 275 Settings Grid Charge Timezone2
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone2"
   id: sunsynk_esphome_setting_grid_charge_timezone2
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 275
   
 - platform: modbus_controller          # 276 Settings Grid Charge Timezone3
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone3"
   id: sunsynk_esphome_setting_grid_charge_timezone3
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 276
   
 - platform: modbus_controller          # 277 Settings Grid Charge Timezone4
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone4"
   id: sunsynk_esphome_setting_grid_charge_timezone4
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 277
   
 - platform: modbus_controller          # 278 Settings Grid Charge Timezone5
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone5"
   id: sunsynk_esphome_setting_grid_charge_timezone5
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 278
   
 - platform: modbus_controller          # 279 Settings Grid Charge Timezone6
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Grid Charge Timezone6"
   id: sunsynk_esphome_setting_grid_charge_timezone6
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 279

 - platform: modbus_controller          # 247 Settings Solar Export Enabled
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Solar Export Enabled"
   id: sunsynk_esphome_setting_solar_export_enabled
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 247

 - platform: modbus_controller          # 232 Settings Battery Grid Charge Enabled
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Battery Grid Charge Enabled"
   id: sunsynk_esphome_setting_battery_grid_charge_enabled
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   address: 232


############################################### TEXT SENSORS SETTINGS ############################################### 
text_sensor:
 - platform: modbus_controller          # 243 Settings Energy Management Model (PL)
   modbus_controller_id: sunsynk_esphome
   name: "SSS Setting Energy Management Model"
   id: sunsynk_esphome_setting_energy_management_model
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   raw_encode: HEXBYTES
   address: 243
   lambda: |-
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 0: return std::string("Battery Priority Mode");
        case 1: return std::string("Load First Mode");
        default: return std::string("Unknown");
      }

 - platform: modbus_controller          # 059 Overall State
   modbus_controller_id: sunsynk_esphome
   name: "SS Overall State"
   id: sunsynk_esphome_overall_state
   register_type: holding
   skip_updates: ${settings_skipped_updates}
   raw_encode: HEXBYTES
   address: 59
   lambda: |- # It is not clear what each of these states mean. TODO Fill in the string values once known
      uint16_t value = modbus_controller::word_from_hex_str(x, 0);
      switch (value) {
        case 0: return std::string("0");
        case 1: return std::string("1");
        case 2: return std::string("2");
        case 3: return std::string("3");
        case 4: return std::string("4");
        case 5: return std::string("5");
        default: return std::string("Unknown");
      }