ABB CAI 20 Analog Input Module

Description

The ABB CAI 20 is an analog input module designed for industrial automation systems. It supports multiple input configurations, including current and voltage signals, making it highly versatile for process control applications. The module is capable of redundant operation, ensuring high reliability in critical environments. It also features digital communication capabilities, allowing seamless integration with HART protocol devices.

Specifications

• Number of Input Channels: Up to 32 analog inputs

• Supported Signal Types:

  • Current: 0/4 … 20 mA

  • Voltage: 0 … 10 V

• Communication Protocols: HART (Version 5.0 / 5.1)

• A/D Conversion: 12-bit resolution

• Input Isolation: Group-wise electrical isolation

• Power Supply: 20 … 33 V DC

• Transmitter Power Supply: 23V, short-circuit proof

• Operating Temperature: 0 … 50°C

• Protection Features: Wire break and short-circuit monitoring

• Dimensions: 212mm × 55mm × 350mm

• Weight: 0.76 kg

Features

• Supports multiple input configurations, including 2-wire and 4-wire transmitters

• Integrated HART communication, enabling digital signal processing

• Redundant operation capability, ensuring system reliability

• High-resolution A/D conversion, providing precise signal measurement

• Built-in monitoring functions, detecting wire breaks and short circuits

• Compact and robust design, suitable for industrial environments