Charging Station & Modbus Active Loadbalancing

Charging Station Model: Alfen ng910-60027 – Eve single pro-line 3PH cable
Energy metering Socomec Countis E27

This setup is using Modbus “Slave 1” in contrary to default Alfen “Slave 5” configuration.

Configuration tool: ACE Service Installer 3.6.10 – You need to request a username and password at the supplier prior to be able to use their tool.

Home assistant config

# ModBus
modbus:
  - name: "countis"
    type: tcp
    host: 192.168.10.4
    port: 502
    sensors:
############## Stroom #################
      - name: countis_current_total
        address: 50534
        data_type: uint32
        slave: 1
        scale: 0.001
        unit_of_measurement: A
      - name: countis_current_i1
        address: 50528
        data_type: uint32
        slave: 1
        scale: 0.001
        unit_of_measurement: A
      - name: countis_current_i2
        address: 50530
        data_type: uint32
        slave: 1
        scale: 0.001
        unit_of_measurement: A
      - name: countis_current_i3
        address: 50532
        data_type: uint32
        slave: 1
        scale: 0.001
        unit_of_measurement: A
############## Vermogen #################
      - name: countis_active_power_phase1
        address: 50544
        data_type: int32
        slave: 1
        scale: 10
        unit_of_measurement: W
      - name: countis_active_power_phase2
        address: 50546
        data_type: int32
        slave: 1
        scale: 10
        unit_of_measurement: W
      - name: countis_active_power_phase3
        address: 50548
        data_type: int32
        slave: 1
        scale: 10
        unit_of_measurement: W
      - name: countis_active_power_sum
        address: 50536
        data_type: int32
        slave: 1
        scale: 10
        unit_of_measurement: W
############## Energie totalen #################
      - name: countis_net_residual_active_energy_balance
        address: 33026
        data_type: uint16
        slave: 1
      - name: countis_net_active_energy_balance
        address: 33024
        data_type: uint32
        slave: 1
############## Energie totalen per tarief in kWh #################
      - name: countis_net_active_energy_balance_tariff1
        address: 26369
        data_type: uint32
        slave: 1
        unit_of_measurement: kWh
      - name: countis_net_active_energy_balance_tariff2
        address: 26371
        data_type: uint32
        slave: 1
        unit_of_measurement: kWh
############## Actief tarief #################
      - name: countis_net_active_tariff
        address: 26368
        data_type: uint16
        slave: 1