{
  "manufacturer": "kael",
  "model": "varkombi-18-pc-tft",
  "device": "varkombi-18-pc-tft",
  "category": "Altro",
  "protocol": "modbus",
  "version": "v1",
  "firmware": null,
  "verification": "IMPORTED",
  "isDemo": false,
  "source": {
    "title": "kael varkombi-18-pc-tft — modbus-database (registers.json)",
    "url": "https://www.aggsoft.com/serial-data-logger/tutorials/modbus-data-logging/kael-varkombi-18-pc-tft.htm",
    "documentRef": null,
    "revision": null
  },
  "generatedAt": "2026-09-21T13:22:01.508Z",
  "registers": [
    {
      "address": "1",
      "addressNumeric": 1,
      "signal": "company_code",
      "name": "Company-code",
      "description": "Company-code",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "2",
      "addressNumeric": 2,
      "signal": "product_code",
      "name": "Product-code",
      "description": "Product-code",
      "functionCode": 3,
      "datatype": "uint32",
      "length": 2,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4",
      "addressNumeric": 4,
      "signal": "barcode_check",
      "name": "Barcode-check",
      "description": "Barcode-check",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "5",
      "addressNumeric": 5,
      "signal": "program_communication_version",
      "name": "Program-communication-version",
      "description": "Program-communication-version",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "6",
      "addressNumeric": 6,
      "signal": "user_define_number_h",
      "name": "User-define-number-H",
      "description": "User-define-number-H",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "7",
      "addressNumeric": 7,
      "signal": "user_define_number_l",
      "name": "User-define-number-L",
      "description": "User-define-number-L",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4096",
      "addressNumeric": 4096,
      "signal": "current_transformer_ratio",
      "name": "Current-transformer-ratio",
      "description": "Current-transformer-ratio",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4097",
      "addressNumeric": 4097,
      "signal": "device_working_information_bits",
      "name": "Device-working-information-bits",
      "description": "Device-working-information-bits",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4098",
      "addressNumeric": 4098,
      "signal": "input_voltage_phase1",
      "name": "Input-voltage-phase1",
      "description": "Input-voltage-phase1",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Volt",
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      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4099",
      "addressNumeric": 4099,
      "signal": "input_voltage_phase2",
      "name": "Input-voltage-phase2",
      "description": "Input-voltage-phase2",
      "functionCode": 3,
      "datatype": "uint16",
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      "scale": 1,
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      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4100",
      "addressNumeric": 4100,
      "signal": "input_voltage_phase3",
      "name": "Input-voltage-phase3",
      "description": "Input-voltage-phase3",
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      "group": null,
      "notes": null
    },
    {
      "address": "4101",
      "addressNumeric": 4101,
      "signal": "input_current_phase1",
      "name": "Input-current-phase1",
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      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
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      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4102",
      "addressNumeric": 4102,
      "signal": "input_current_phase2",
      "name": "Input-current-phase2",
      "description": "Input-current-phase2",
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      "datatype": "uint16",
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      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4103",
      "addressNumeric": 4103,
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      "name": "Input-current-phase3",
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      "length": 1,
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      "offset": 0,
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      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4104",
      "addressNumeric": 4104,
      "signal": "input_active_power_phase1",
      "name": "Input-active-power-phase1",
      "description": "Input-active-power-phase1",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "watt",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4105",
      "addressNumeric": 4105,
      "signal": "input_active_power_phase2",
      "name": "Input-active-power-phase2",
      "description": "Input-active-power-phase2",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "watt",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4106",
      "addressNumeric": 4106,
      "signal": "input_active_power_phase3",
      "name": "Input-active-power-phase3",
      "description": "Input-active-power-phase3",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "watt",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4107",
      "addressNumeric": 4107,
      "signal": "input_reactive_power_phase1",
      "name": "Input-reactive-power-phase1",
      "description": "Input-reactive-power-phase1",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4108",
      "addressNumeric": 4108,
      "signal": "input_reactive_power_phase2",
      "name": "Input-reactive-power-phase2",
      "description": "Input-reactive-power-phase2",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4109",
      "addressNumeric": 4109,
      "signal": "input_reactive_power_phase3",
      "name": "Input-reactive-power-phase3",
      "description": "Input-reactive-power-phase3",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4110",
      "addressNumeric": 4110,
      "signal": "input_appearent_power_phase1",
      "name": "Input-appearent-power-phase1",
      "description": "Input-appearent-power-phase1",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "VA",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4111",
      "addressNumeric": 4111,
      "signal": "input_appearent_power_phase2",
      "name": "Input-appearent-power-phase2",
      "description": "Input-appearent-power-phase2",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "VA",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4112",
      "addressNumeric": 4112,
      "signal": "input_appearent_power_phase3",
      "name": "Input-appearent-power-phase3",
      "description": "Input-appearent-power-phase3",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "VA",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4113",
      "addressNumeric": 4113,
      "signal": "cos_phase1",
      "name": "Cos-phase1",
      "description": "Cos-phase1",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.001",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4114",
      "addressNumeric": 4114,
      "signal": "cos_phase2",
      "name": "Cos-phase2",
      "description": "Cos-phase2",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.001",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4115",
      "addressNumeric": 4115,
      "signal": "cos_phase3",
      "name": "Cos-phase3",
      "description": "Cos-phase3",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.001",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4116",
      "addressNumeric": 4116,
      "signal": "sum_cos",
      "name": "SUM-cos",
      "description": "SUM-cos",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.001",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4117",
      "addressNumeric": 4117,
      "signal": "tan_1_phase1",
      "name": "Tan-1-phase1",
      "description": "Tan-1-phase1",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.01",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4118",
      "addressNumeric": 4118,
      "signal": "tan_2_phase2",
      "name": "Tan-2-phase2",
      "description": "Tan-2-phase2",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.01",
      "access": "READ",
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      "group": null,
      "notes": null
    },
    {
      "address": "4119",
      "addressNumeric": 4119,
      "signal": "tan_3_phase3",
      "name": "Tan-3-phase3",
      "description": "Tan-3-phase3",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.01",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4120",
      "addressNumeric": 4120,
      "signal": "sum_tan",
      "name": "SUM-tan",
      "description": "SUM-tan",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "0.01",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4121",
      "addressNumeric": 4121,
      "signal": "total_active_power",
      "name": "Total-active-power",
      "description": "Total-active-power",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "watt",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4122",
      "addressNumeric": 4122,
      "signal": "total_inductive_power",
      "name": "Total-inductive-power",
      "description": "Total-inductive-power",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4123",
      "addressNumeric": 4123,
      "signal": "total_capacitive_power",
      "name": "Total-capacitive-power",
      "description": "Total-capacitive-power",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4124",
      "addressNumeric": 4124,
      "signal": "sum_reactive_power",
      "name": "SUM-reactive-power",
      "description": "SUM-reactive-power",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Var",
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      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4125",
      "addressNumeric": 4125,
      "signal": "sum_appearent_power",
      "name": "SUM-appearent-power",
      "description": "SUM-appearent-power",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "VA",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4126",
      "addressNumeric": 4126,
      "signal": "frequency",
      "name": "Frequency",
      "description": "Frequency",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Hz",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4127",
      "addressNumeric": 4127,
      "signal": "temperature",
      "name": "Temperature",
      "description": "Temperature",
      "functionCode": 3,
      "datatype": "int16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "CD",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4128",
      "addressNumeric": 4128,
      "signal": "phase_alarms_output_bits_for_phase1",
      "name": "Phase-alarms-output-bits-for-phase1",
      "description": "Phase-alarms-output-bits-for-phase1",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4129",
      "addressNumeric": 4129,
      "signal": "phase_alarms_output_bits_for_phase2",
      "name": "Phase-alarms-output-bits-for-phase2",
      "description": "Phase-alarms-output-bits-for-phase2",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4130",
      "addressNumeric": 4130,
      "signal": "phase_alarms_output_bits_for_phase3",
      "name": "Phase-alarms-output-bits-for-phase3",
      "description": "Phase-alarms-output-bits-for-phase3",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4132",
      "addressNumeric": 4132,
      "signal": "step_protection_types",
      "name": "Step-protection-types",
      "description": "Step-protection-types",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4133",
      "addressNumeric": 4133,
      "signal": "warnings_for_voltage_and_no_current",
      "name": "Warnings-for-voltage-and-no-current",
      "description": "Warnings-for-voltage-and-no-current",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": null,
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4134",
      "addressNumeric": 4134,
      "signal": "voltage1_zerocrossoverangle",
      "name": "Voltage1-ZeroCrossOverAngle",
      "description": "Voltage1-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4135",
      "addressNumeric": 4135,
      "signal": "current1_zerocrossoverangle",
      "name": "Current1-ZeroCrossOverAngle",
      "description": "Current1-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4136",
      "addressNumeric": 4136,
      "signal": "voltage2_zerocrossoverangle",
      "name": "Voltage2-ZeroCrossOverAngle",
      "description": "Voltage2-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
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      "group": null,
      "notes": null
    },
    {
      "address": "4137",
      "addressNumeric": 4137,
      "signal": "current2_zerocrossoverangle",
      "name": "Current2-ZeroCrossOverAngle",
      "description": "Current2-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4138",
      "addressNumeric": 4138,
      "signal": "voltage3_zerocrossoverangle",
      "name": "Voltage3-ZeroCrossOverAngle",
      "description": "Voltage3-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4139",
      "addressNumeric": 4139,
      "signal": "current3_zerocrossoverangle",
      "name": "Current3-ZeroCrossOverAngle",
      "description": "Current3-ZeroCrossOverAngle",
      "functionCode": 3,
      "datatype": "uint16",
      "length": 1,
      "scale": 1,
      "offset": 0,
      "unit": "Degree",
      "access": "READ",
      "endianness": null,
      "group": null,
      "notes": null
    },
    {
      "address": "4140",
      "addressNumeric": 4140,
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