ABB AI801 3BSE020512R1 Analog Input Module

Overview

The AI801 Analog Input Module provides reliable and accurate measurements for industrial automation systems. It features 8 channels for unipolar, single-ended current inputs ranging from 0 to 20 mA and 4 to 20 mA. This module is designed for robust performance with advanced features like short-circuit protection, isolation, and HART communication compatibility, making it ideal for use in harsh industrial environments.

Technical Specifications

• Model: AI801 3BSE020512R1 Analog Input Module
• Brand: ABB
• Number of Channels: 8 channels (single-ended unipolar input)
• Measurement Range: 0…20 mA, 4…20 mA
• Over/Under Range: -0% / +15%
• Input Impedance: ≥230 Ω, ≤270 Ω (including PTC)
• Maximum Cable Length: 600 meters (656 yards)
• Maximum Non-Destructive Voltage: 30 V d.c.
• NMRR: >40 dB (50 Hz, 60 Hz)
• Error: Maximum 0.1%
• Resolution: 12 bits
• Temperature Drift: Typical 50 ppm/°C, Max 80 ppm/°C
• Update Cycle Time: 1 ms
• Current Consumption:
  • 24 V process power: 30 mA
  • 5 V module bus: 70 mA
• Power Dissipation: 1.1 W
• Input Filter Cut-off Frequency: Second-order filter, 3.5 Hz
• Input Filter Rise Time (0-90%): 140 ms
• Isolation: Group-wise isolation from ground
• Rated Insulation Voltage: 50 V
• Dielectric Test Voltage: 500 V a.c.
• Wire Size Compatibility:
  • Solid: 0.05–2.5 mm² (30–12 AWG)
  • Stranded: 0.05–1.5 mm² (30–12 AWG)
• Recommended Torque: 0.5–0.6 Nm
• Stripping Length: 6–7.5 mm (0.24–0.30 in)

Frequently Asked Questions (FAQ)

Q: What is the maximum cable length supported by the 3BSE020512R1 module?
A: It supports a maximum cable length of 600 meters (656 yards).

Q: What types of inputs does the 3BSE020512R1 module support?
A: It supports unipolar, single-ended current inputs, with a range of 0 to 20 mA and 4 to 20 mA.

Q: Can this module handle short circuits?
A: Yes, it is protected against short circuits up to 30 V d.c. using a PTC resistor.

Q: How precise is the AI801 module?
A: It has a resolution of 12 bits and an accuracy error of maximum 0.1%.

Q: Is the 3BSE020512R1 compatible with HART communication?
A: Yes, it supports HART communication, making it suitable for modern industrial systems.