ABB AI930–4‑Channel HART Analog Input Module

Description

Technical Specifications

Core Input Parameters

• Number of Channels: 4 independent analog input channels
• Supported Signal Type: 4–20 mA DC (2‑wire loop‑powered transmitters only)
• Transmitter Power Supply: ~15 V DC per channel (current‑limited)
• HART Protocol: Full HART pass‑through; supports cyclic HART variables and frame transmission over fieldbus
• Isolation: Galvanic isolation between input/bus and input/power; common return for all inputs
• Fault Detection: Built‑in short‑circuit and open‑circuit detection for all channels

Electrical & Performance

• Input Impedance: Optimized for 4–20 mA loop operation
• Common‑Mode Rejection Ratio (CMRR): High noise immunity for stable measurement
• Maximum Field Cable Length: Supports long‑distance wiring in industrial field installations
• Power Consumption: Low power draw for energy‑efficient operation

Power & Mechanical

• Operating Voltage: 24 V DC (nominal)
• Weight: ~0.1 kg (AI930N); ~0.12 kg (AI930S)
• Mounting: S900 I/O subsystem rack mounting; compatible with S900 termination units
• Dimensions: Compact form factor for space‑efficient control cabinet installation

Environmental & Certifications

• Operating Temperature: -20°C to +60°C
• Humidity: Up to 93% RH (±3%) at 40°C, non‑condensing
• Protection Class: IP20
• Corrosion Resistance: G3 coating compliant with ISA‑S71.04
• Safety Certifications:
  • AI930N: CE, RoHS
  • AI930B: ATEX Zone 2, CE, RoHS
  • AI930S: ATEX Zone 1 (intrinsically safe), CE, RoHS

Compatibility

• Compatible Systems: ABB AC 800M, 800xA, Freelance controllers; S900 I/O subsystems
• Communication: PROFIBUS DP V1 (primary); HART over PROFIBUS
• Configuration: Software‑configurable via FDT/DTM or GSD files; hot configuration in run mode

Key Features

• 4 HART‑Enabled Channels: Simultaneous acquisition of 4–20 mA signals with integrated HART communication for real‑time device diagnostics and calibration.
• Integrated Transmitter Power: Supplies safe, current‑limited power to 2‑wire transmitters, eliminating external power supplies.
• Full Galvanic Isolation: Protects against ground loops and electrical interference, ensuring measurement stability.
• Advanced Fault Detection: Monitors for short‑circuits and open circuits, enabling proactive maintenance.
• Hot‑Swappable Design: Supports replacement during operation without system shutdown, minimizing downtime.
• Hazardous Area Compatibility: Available in Zone 1 (intrinsically safe) and Zone 2 variants for direct field installation in explosive environments.
• G3‑Coated Components: Resists corrosion in harsh industrial atmospheres.
• Redundancy Support: Works with redundant power and communication setups for maximum system availability.
• Extended Diagnostics: Provides detailed channel and device status via fieldbus, simplifying troubleshooting.
• Seamless Integration: Direct compatibility with ABB’s leading control systems and standard industrial protocols.

Application Scenarios

• Oil & Gas Industry: Monitoring pressure, flow, and level in refineries, offshore platforms, pipelines, and drilling operations (hazardous area certified).
• Chemical & Petrochemical Plants: Precise process variable measurement in reactors, distillation columns, and storage tanks in explosive environments.
• Pharmaceutical Manufacturing: Strict process monitoring for batch reactors, sterilization, and cleanroom environments.
• Power Generation: Monitoring boiler pressure, turbine flow, and generator parameters in thermal and combined‑cycle power plants.
• Water & Wastewater Treatment: Acquisition of level, flow, and pressure signals in treatment plants and pumping stations.
• Metallurgy & Mining: Monitoring high‑temperature and pressure processes in smelters and mineral processing operations.
• Food & Beverage Processing: Controlling temperature, pressure, and flow in pasteurization, mixing, and packaging lines.
• Pulp & Paper Production: Monitoring dryer, press, and reactor processes in paper manufacturing.
• General Manufacturing: Monitoring machine tools, robotics, and production line variables in automotive and discrete manufacturing.