ABB AI03 8-Channel Analog Input Module

• Supported RTD Types:
  • 100Ω Platinum (both American and European standards)
  • 120Ω Nickel
  • 53Ω Copper (Chinese standard)
• RTD Wiring Methods: 2-wire, 3-wire, and 4-wire configurations
• Analog-to-Digital Conversion:
  • Resolution: 16 bits (with polarity)
  • Accuracy: ±0.1% of full-scale range (FSR), where FSR = 500Ω
  • Update Rate: 450 milliseconds for all 8 channels
• Isolation:
  • Channel-to-channel isolation: 8 groups, with 2 channels per group
  • Isolation Voltage: 1500 VAC for 1 minute
• Power Requirements:
  • Module Power: 24 VDC (typical consumption: 9.6W)
  • Logic Power: 24 VDC
• Environmental Specifications:
  • Operating Temperature Range: -40°C to +70°C
  • Storage Temperature Range: -40°C to +85°C
  • Relative Humidity: 20% to 95% (at 40°C, non-condensing)
• Protection Class: IP20
• Installation: Horizontal or vertical mounting on a dedicated base plate

Functional Characteristics

• High Precision Measurement: Utilizes 16-bit resolution and ±0.1% FSR accuracy to provide extremely precise temperature data.
• Flexible RTD Support: Compatible with multiple RTD types and wiring methods, offering versatility in various industrial applications.
• Advanced Calibration and Compensation: Built-in mechanisms for automatic calibration and compensation ensure long-term reliability and data accuracy, even with component aging.
• Fast Response Time: Completes analog-to-digital conversion for all 8 channels in 450 milliseconds, enabling rapid data acquisition.
• Channel Independence: Each channel can be independently configured to meet diverse measurement needs.
• Robust Isolation: Channel-to-channel isolation protects against electrical noise and interference, enhancing system stability.
• Wide Temperature Range: Operates reliably in harsh environments with temperatures ranging from -40°C to +70°C.

Application Scenarios

• Power Generation: Monitors boiler furnace temperatures, steam turbine bearing temperatures, and other critical parameters in power plants.
• Oil and Gas: Measures reactor internal temperatures and distillation column temperature gradients in refineries and petrochemical plants.
• Metals and Mining: Tracks high-temperature furnace and heating furnace temperatures in metallurgical processes.
• Chemical Processing: Controls reaction temperatures and ensures process safety in chemical production facilities.
• Water Treatment: Regulates temperatures in water treatment plants to optimize treatment processes.
• Food and Beverage: Maintains precise temperature control in cooking, pasteurization, and fermentation processes.