ABB AI920 Analog Input Module

Technical Specifications

• Input Channels: 4 x 1 channel (single-ended input for each channel).
• Input Types:
  • 0-10V,
  • ±10V,
  • 4-20mA
• Resolution: 16-bit resolution for precise measurement.
• Input Impedance:
  • Voltage: ≥1MΩ
  • Current: 250Ω (for 4-20mA inputs).
• Sampling Rate: 1 kHz (1 millisecond per channel).
• Accuracy:
  • Voltage Input: ±0.05% of full scale.
  • Current Input: ±0.1% of full scale.
• Power Supply: 24V DC ±20%.
• Current Consumption: ≤100mA.
• Operating Temperature: -20°C to 60°C.
• Storage Temperature: -40°C to 85°C.
• Dimensions: 100 mm (W) x 120 mm (H) x 40 mm (D).
• Weight: 300 g.
• Electrical Isolation: 2500V isolation between channels and system.
• Communication Protocol: Modbus RTU over RS485.
• LED Indicators: Power, communication, and input status LEDs for easy diagnostics.