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Novus LogBox Wi-Fi Modbus register map

Wi-Fi data logger with analog and digital channels, buzzer and digital output, readable over Modbus TCP: channel values and status, min/max, pulse counter, battery and supply, logging status, alarm setpoints, clock and network status

  • Official
  • 89 registers
  • Modbus TCP
  • Revision 1 · 2026-10-31
  • Identity: firmware, serial number

Official: Written from the manufacturer's documentation, but not tested on a device yet. Check the map against the manufacturer's documentation before you write to a live device. Tested it? Report a test.

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Communication

Protocol
Modbus TCP
Unit ID
1
TCP port
502
Byte / word order
ABCD · bytes big-endian, words high first
Addresses
0-based

Connection values are defaults: the device may be configured differently.

Map

Registers
89 holding registers
Groups
11
Translation tables
1
Revision
1 · 2026-10-31
Firmware
Instruction manual V3.3x C
Added
()
File
maps/novus/logbox-wi-fi.mbmap.json · 17 KB · history
SHA-256
1b95e7d182ad99abeaf7550046513069b9baa30592d4d9c044638be8e4efe01a
Manufacturer
novus.com.br

Device identity

What a tool can read to check that this map fits the connected device (SPEC.md section 4.7). Registers with a role are read like any other register.

Registers
RoleRegisterAddressTypeValues
Serial number Serial number holding 0 uint32 ABCD
Firmware Firmware version holding 3 uint16

Sources and notes

Source: Novus LogBox Wi-Fi instruction manual V3.3x C (Portuguese), chapter 9

  • Modbus TCP server over Wi-Fi, up to 4 clients at once. Enable it and set the TCP port in NXperience; the map assumes port 502. Any unit id from 0 to 255 is answered.
  • Functions 03, 06 and 16. Only the buzzer (68) and the clock (1044-1049) can be written with 06 or 16; the alarm setpoints (211-230) only with 16. Writes must also be allowed in the device's write permissions.
  • 32-bit values are high word first. The alarm setpoints have one fixed decimal.
  • Analog channel values have 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel, so the map gives them unscaled.
  • Written from the manufacturer's manual; not tested on a device.
AreaAddressNameTypeAccessUnitScaleDescription
HR 0 uint32 ABCD R
HR 2 uint16 R
HR 3 uint16 R ×0.01
HR 5 uint16 R
HR 6 uint16 R
HR 7 uint16 R
HR 15 uint16 R
HR 21 uint16 R
HR 32 uint16 R
HR 68 uint16 RW
HR 70 uint16 R
HR 81 uint16 R
HR 82 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 83 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 84 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 89 uint16 R
HR 90 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 91 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 92 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 97 uint16 R
HR 98 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 99 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 100 int16 R 1 decimal for temperature sensors; for linear inputs the decimals are those configured for the channel
HR 73 uint16 R
HR 74 uint16 R Pulse count in pulse count mode, 1 or 0 in event or record control mode
HR 75 float32 ABCD R
HR 77 uint16 R
HR 78 uint16 R
HR 71 uint16 R
HR 237 uint32 ABCD R Raw count
HR 239 float32 ABCD R
HR 61 uint16 R
HR 62 uint16 R
HR 63 uint16 R
HR 64 uint16 R
HR 65 uint16 R
HR 66 uint16 R
HR 106 uint16 R V ×0.01
HR 107 uint16 R V ×0.01
HR 108 uint16 R V ×0.01
HR 109 uint16 R % ×0.1
HR 113 uint16 R V ×0.01
HR 114 uint16 R V ×0.01
HR 115 uint16 R V ×0.01
HR 36 uint16 R
HR 34 uint16 R
HR 35 uint16 R
HR 37 uint32 ABCD R
HR 39 uint32 ABCD R
HR 43 uint16 R
HR 44 uint16 R
HR 45 uint16 R
HR 46 uint16 R
HR 47 uint16 R
HR 48 uint16 R
HR 51 uint16 R
HR 52 uint16 R
HR 53 uint16 R
HR 54 uint16 R
HR 55 uint16 R
HR 56 uint16 R
HR 211 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 213 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 215 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 217 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 219 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 221 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 223 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 225 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 227 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 229 int32 ABCD W ×0.1 Write multiple registers (16) only; one fixed decimal
HR 1044 uint16 W UTC
HR 1045 uint16 W UTC
HR 1046 uint16 W UTC
HR 1047 uint16 W UTC
HR 1048 uint16 W UTC
HR 1049 uint16 W UTC
HR 136 int16 R dB ×0.01
HR 137 uint16 R
HR 138 uint16 R
HR 140 uint32 ABCD R One byte per octet, first octet in the high byte
HR 142 uint32 ABCD R One byte per octet, first octet in the high byte
HR 144 uint32 ABCD R One byte per octet, first octet in the high byte
HR 121 uint16 R
HR 122 uint16 R
HR 123 uint16 R
HR 124 uint16 R
HR 125 uint16 R
HR 126 uint16 R

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