NORISYS 4UNIO 4AI4AO

Series: Norisys 4UNIO Series

Product Overview:
A universal input/output module providing 4 analog inputs and 4 analog outputs in a single compact DIN-rail mounted unit. Designed for process automation, building automation, and industrial control systems requiring mixed analog signal handling.

Category:
Description

Technical Specifications:

  • Analog Inputs: 4 channels
    • Input Type: 0–10 V DC / 4–20 mA (selectable per channel)
    • Resolution: 16-bit ADC
    • Accuracy: ±0.1% of full scale
    • Sampling Rate: 10 samples/second per channel (aggregate)
    • Isolation: 1500 V DC (channel-to-channel, channel-to-bus)
  • Analog Outputs: 4 channels
    • Output Type: 0–10 V DC / 4–20 mA (selectable per channel)
    • Resolution: 16-bit DAC
    • Accuracy: ±0.2% of full scale
    • Load Capability: 600 Ω (voltage mode), 500 Ω (current mode)
    • Isolation: 1500 V DC (channel-to-channel, channel-to-bus)
  • Power Supply: 24 V DC (±20%)
  • Power Consumption: <2.5 W
  • Communication: Modbus RTU (RS-485), baud rate: 9600–115200 bps
  • Protocol: Modbus RTU slave
  • Protection Class: IP20 (DIN rail housing)
  • Operating Temperature: -10°C to +55°C
  • Storage Temperature: -25°C to +70°C
  • Dimensions: 90 x 65 x 40 mm (W x H x D)
  • Mounting: DIN rail (35 mm, TS 35)
  • Certifications: CE, FCC, RoHS

Functional Features:

  • Channel-by-channel configuration via Modbus registers
  • Diagnostic feedback (open wire, over-range detection)
  • LED status indicators per channel (green = OK, red = fault)
  • Hot-swappable (with system power off)

Material Composition:

  • Housing: Polycarbonate (UL94 V-0), DIN rail clip: steel, zinc-plated
  • Terminals: Screw terminals, 2.5 mm² max wire size
  • PCB: FR-4, conformal coated

Structural Features:

  • DIN rail mounting, 4 modules width
  • Front-accessible terminal block with channel labels
  • Modbus address set via DIP switches (default: 1)

Applicable Industries:
HVAC, water/wastewater treatment, process control, machine building, energy management

Installation Requirements:

  • DIN rail: EN 60715 compliant, 35 mm width
  • Wire shielding: connect to chassis ground at one end
  • Modbus termination resistor: 120 Ω required at last device on bus
  • Max bus length: 1200 m at 9600 bps

Usage Notes:

  • Do not exceed 24 V DC +20% on power input
  • Analog inputs and outputs must not share ground with high-power devices
  • Configuration changes require Modbus write command to holding registers
  • Calibration recommended every 24 months
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