manufacturer: siemens
model: sentron-pac-3100
device: sentron-pac-3100
category: Energy Metering
protocol: modbus
version: v1
firmware: null
verification: IMPORTED
isDemo: false
source:
  title: siemens sentron-pac-3100 — modbus-database (registers.json)
  url: https://www.aggsoft.com/serial-data-logger/tutorials/modbus-data-logging/siemens-sentron-pac-3100.htm
  documentRef: null
  revision: null
generatedAt: 2026-09-21T14:45:29.891Z
registers:
  - address: "1"
    addressNumeric: 1
    signal: voltage_a_n
    name: Voltage-a-N
    description: Voltage-a-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "3"
    addressNumeric: 3
    signal: voltage_b_n
    name: Voltage-b-N
    description: Voltage-b-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "5"
    addressNumeric: 5
    signal: voltage_c_n
    name: Voltage-c-N
    description: Voltage-c-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "7"
    addressNumeric: 7
    signal: voltage_a_b
    name: Voltage-a-b
    description: Voltage-a-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "9"
    addressNumeric: 9
    signal: voltage_b_c
    name: Voltage-b-c
    description: Voltage-b-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "11"
    addressNumeric: 11
    signal: voltage_c_a
    name: Voltage-c-a
    description: Voltage-c-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "13"
    addressNumeric: 13
    signal: current_a
    name: Current-a
    description: Current-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "15"
    addressNumeric: 15
    signal: current_b
    name: Current-b
    description: Current-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "17"
    addressNumeric: 17
    signal: current_c
    name: Current-c
    description: Current-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "19"
    addressNumeric: 19
    signal: apparent_power_a
    name: Apparent-power-a
    description: Apparent-power-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "21"
    addressNumeric: 21
    signal: apparent_power_b
    name: Apparent-power-b
    description: Apparent-power-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "23"
    addressNumeric: 23
    signal: apparent_power_c
    name: Apparent-power-c
    description: Apparent-power-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "25"
    addressNumeric: 25
    signal: active_power_a
    name: Active-power-a
    description: Active-power-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "27"
    addressNumeric: 27
    signal: active_power_b
    name: Active-power-b
    description: Active-power-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "29"
    addressNumeric: 29
    signal: active_power_c
    name: Active-power-c
    description: Active-power-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "31"
    addressNumeric: 31
    signal: reactive_power_a_var1
    name: Reactive-power-a-(VAR1)
    description: Reactive-power-a-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "33"
    addressNumeric: 33
    signal: reactive_power_b_var1
    name: Reactive-power-b-(VAR1)
    description: Reactive-power-b-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "35"
    addressNumeric: 35
    signal: reactive_power_c_var1
    name: Reactive-power-c-(VAR1)
    description: Reactive-power-c-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "37"
    addressNumeric: 37
    signal: neutral_current
    name: Neutral-current
    description: Neutral-current
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "39"
    addressNumeric: 39
    signal: frequency
    name: Frequency
    description: Frequency
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: Hz
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "47"
    addressNumeric: 47
    signal: total_apparent_power
    name: Total-apparent-power
    description: Total-apparent-power
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "49"
    addressNumeric: 49
    signal: total_active_power
    name: Total-active-power
    description: Total-active-power
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "51"
    addressNumeric: 51
    signal: total_reactive_power_var1
    name: Total-reactive-power-(VAR1)
    description: Total-reactive-power-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "53"
    addressNumeric: 53
    signal: total_power_factor
    name: Total-power-factor
    description: Total-power-factor
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: null
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "55"
    addressNumeric: 55
    signal: maximum_voltage_a_n
    name: Maximum-voltage-a-N
    description: Maximum-voltage-a-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "57"
    addressNumeric: 57
    signal: maximum_voltage_b_n
    name: Maximum-voltage-b-N
    description: Maximum-voltage-b-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "59"
    addressNumeric: 59
    signal: maximum_voltage_c_n
    name: Maximum-voltage-c-N
    description: Maximum-voltage-c-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "61"
    addressNumeric: 61
    signal: max_voltage_a_b
    name: Max.-voltage-a-b
    description: Max.-voltage-a-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "63"
    addressNumeric: 63
    signal: max_voltage_b_c
    name: Max.-voltage-b-c
    description: Max.-voltage-b-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "65"
    addressNumeric: 65
    signal: max_voltage_c_a
    name: Max.-voltage-c-a
    description: Max.-voltage-c-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "67"
    addressNumeric: 67
    signal: maximum_current_a
    name: Maximum-current-a
    description: Maximum-current-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "69"
    addressNumeric: 69
    signal: maximum_current_b
    name: Maximum-current-b
    description: Maximum-current-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "71"
    addressNumeric: 71
    signal: maximum_current_c
    name: Maximum-current-c
    description: Maximum-current-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "73"
    addressNumeric: 73
    signal: maximum_apparent_power_a
    name: Maximum-apparent-power-a
    description: Maximum-apparent-power-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "75"
    addressNumeric: 75
    signal: maximum_apparent_power_b
    name: Maximum-apparent-power-b
    description: Maximum-apparent-power-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "77"
    addressNumeric: 77
    signal: maximum_apparent_power_c
    name: Maximum-apparent-power-c
    description: Maximum-apparent-power-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "79"
    addressNumeric: 79
    signal: maximum_active_power_a
    name: Maximum-active-power-a
    description: Maximum-active-power-a
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "81"
    addressNumeric: 81
    signal: maximum_active_power_b
    name: Maximum-active-power-b
    description: Maximum-active-power-b
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "83"
    addressNumeric: 83
    signal: maximum_active_power_c
    name: Maximum-active-power-c
    description: Maximum-active-power-c
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "85"
    addressNumeric: 85
    signal: max_reactive_power_a_var1
    name: Max.-reactive-power-a-(VAR1)
    description: Max.-reactive-power-a-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "87"
    addressNumeric: 87
    signal: max_reactive_power_b_var1
    name: Max.-reactive-power-b-(VAR1)
    description: Max.-reactive-power-b-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "89"
    addressNumeric: 89
    signal: max_reactive_power_c_var1
    name: Max.-reactive-power-c-(VAR1)
    description: Max.-reactive-power-c-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "91"
    addressNumeric: 91
    signal: max_neutral_current
    name: Max.-neutral-current
    description: Max.-neutral-current
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: A
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "93"
    addressNumeric: 93
    signal: max_frequency
    name: Max.-frequency
    description: Max.-frequency
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: Hz
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "101"
    addressNumeric: 101
    signal: max_total_apparent_power
    name: Max.-total-apparent-power
    description: Max.-total-apparent-power
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: VA
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "103"
    addressNumeric: 103
    signal: max_total_active_power
    name: Max.-total-active-power
    description: Max.-total-active-power
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: W
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "105"
    addressNumeric: 105
    signal: max_total_reactive_power_var1
    name: Max.-total-reactive-power-(VAR1)
    description: Max.-total-reactive-power-(VAR1)
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: var
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "107"
    addressNumeric: 107
    signal: max_total_power_factor
    name: Max.-total-power-factor
    description: Max.-total-power-factor
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: null
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "109"
    addressNumeric: 109
    signal: minimum_voltage_a_n
    name: Minimum-voltage-a-N
    description: Minimum-voltage-a-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null
  - address: "111"
    addressNumeric: 111
    signal: minimum_voltage_b_n
    name: Minimum-voltage-b-N
    description: Minimum-voltage-b-N
    functionCode: 3
    datatype: float32
    length: 2
    scale: 1
    offset: 0
    unit: V
    access: READ
    endianness: null
    group: null
    notes: null