1. General Information

• Model: UCD224A103

• Part Number: 3BHE023681R0103

• Type: High‑performance Universal Input Module

• Manufacturer: ABB

• Series: Advant OCS / Masterpiece Control Systems

• Function: Precision acquisition of temperature, pressure, flow, level, and other process variables

2. Input Specifications

• Channels: 8 differential universal inputs

• Resolution: 24‑bit

• Accuracy: 0.05% of full scale

• Sampling Rate: 10 Hz per channel

• Signal Types:

  • Voltage: ±10 V DC, 0–10 V DC

  • Current: ±20 mA DC, 4–20 mA DC

  • Resistance: RTD (Pt100/Pt1000), thermocouple (J, K, T, E, R, S, B, N)

• Isolation: 2500 Vrms channel‑to‑ground galvanic isolation

3. Power Requirements

• Supply Voltage: 24 V DC ±20%

• Power Consumption: 3.7 W (typical)

4. Mechanical & Environmental

• Dimensions (W × H × D): 73.5 × 373 × 142 mm

• Weight: 1.53 kg

• Operating Temperature: -20°C to +60°C

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5%–95% RH, non‑condensing

• Protection Class: IP20 (front)

• Mounting: ABB standard rack mount

5. Communication & Compatibility

• Interface: ABB proprietary control bus

• Protocols: Advant OCS, Masterpiece compatible

• Configuration: Software‑configurable input ranges and sensor types

6. Key Features

• 24‑bit high resolution for precise measurements

• Universal input supports voltage, current, RTD, and thermocouple

• 2500 Vrms isolation for enhanced safety and noise immunity

• Low power consumption (3.7 W)

• Rugged design for harsh industrial environments

• Easy integration with ABB DCS/PLC systems

7. Certifications

• CE, UL, RoHS compliant

8. Applications

• Power generation, petrochemical, oil & gas

• Pulp & paper, metals, water treatment

• High‑accuracy process variable monitoring and closed‑loop control