device library

Novus N1200 process controller

Register map(s) for this device, with a note of how far each has been checked. Addresses are 0-based, as on the wire. Scale and byte order are confirmed only at the hardware-verified rung.

coherence-checked

Round-trips through a real Modbus stack with no overlapping addresses and a word-order-sensitive codec — the map is internally coherent and wire-decodable. Does NOT prove byte-order or scaling match a real device: the emulator is seeded from the map's own types, so a uniformly wrong byte-order still round-trips. Only hardware-verified confirms byte-order/scale on the wire.

pointaddress (0-based)typescaleunit
Active SP0I161
PV1I160.1
MV2I160.1%

link settings as documented (unverified): RTU; baud 1200/2400/4800/9600/19200/38400/57600/115200; FC 03,05,06,16; Selectable parity (no parity, pair, or odd). Two wire connection between 1 master and up to 31 instruments.

⚠ All safety related instructions that appear in the manual must be observed to ensure personal safety and to prevent damage. — Starkest reads only; we never write a control register.

bench facts as documented (unverified)
terminalsScrew terminals accepting wire sizes from 0.5 to 1.5 mm2 (16 to 22 AWG)
A/B polarityD1 (D+) on Terminal 16, D0 (D-) on Terminal 17
connectorScrew terminals
isolationCommunication signals are electrically insulated from the rest of the device, but there is no electrical isolation between serial communication (RS485) and channel I/O5.
shield/groundTerminal 18 (GND/C) for optional connection to improve performance
wiring notesTightening torque of 0.4 Nm (3.5 lb in)
response timeout100 ms
broadcastsupported
protocol notesTime of disconnection for the controller: Maximum 2 ms after last byte.
identification notesSerial number can be obtained by pressing the back key for more than 3 seconds.
power100 to 240 Vac/dc (±10 %), 50 / 60 Hz; optionally 12 to 24 Vdc / 24 Vac (-10 % / +20 %)
environmentOperation temperature: 5 to 50 °C, Relative humidity: 80 % max. @ 30 °C
accuracyThermocouples J, K, T, E: 0.25 % of the span ±1 °C; Thermocouples N, R, S, B: 0.25 % of the span ±3 °C; Pt100: 0.2 % of the span; 4-20 mA, 0-50 mV, 0-5 Vdc, 0-10 Vdc: 0.2 % of the span
certificationsCE, UKCA, UL (FILE: 300526)
doc revisionV2.0x M
firmware applicabilityV2.0x
field reports — community-sourced, unverified (checked 2026-06-11)
  • confirmed: Baud rates (1200 to 115200 bps), Modbus RTU framing, and function codes (3, 5, 6, 16) — confirmed by Novus N1200 Communication Manual [1.2.1]
  • confirmed: Modbus register map (Active SP @ 0, PV @ 1, MV @ 2) — confirmed by Novus N1200 Register Table
  • confirmed: Physical terminal connections (D1/D+ on Terminal 16, D0/D- on Terminal 17, GND on Terminal 18) — confirmed by Novus N1200 Instruction Manual
  • confirmed: Lack of electrical isolation between RS485 and channel I/O5 — confirmed by Novus N1200 Instruction Manual
  • confirmed: Certifications (CE, UKCA, UL File 300526) — confirmed by Novus N1200 Instruction Manual and distributor listings
  • confirmed: Tightening torque of 0.4 Nm and wire sizes of 0.5 to 1.5 mm2 — confirmed by Novus N1200 Instruction Manual

The trust ladder

Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.

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