Description
Overview:
The ABB AI895 Analog Input Module is designed for use in the ABB Advant S800 I/O and Advant-800xA systems. This module offers intrinsic safety for interfacing with process equipment in hazardous areas, eliminating the need for external devices. It features 8 channels, providing 4-20mA single-ended unipolar inputs with HART communication. This module is ideal for interfacing with 2-wire and 4-wire transmitters while maintaining HART capabilities.
Key Features:
- 8 input channels for 4…20 mA single-ended unipolar signals
- Supports HART communication for advanced process control
- Includes Intrinsic Safety protection for safe connections to process equipment in hazardous zones
- Can power and monitor Ex certified two-wire transmitters
- Designed to work with TU890 and TU891 Compact MTU modules for seamless connections
- Non-energy-storing analog inputs for externally powered sources
- 12-bit resolution for accurate data acquisition
Technical Specifications:
- Brand: ABB
- Model: AI895
- Series: Advant S800 I/O
- Input Type: 4-20mA, single-ended unipolar inputs
- Number of Channels: 8
- HART Communication: Yes
- Input Resolution: 12 bits
- Input Voltage Drop: 3 V typical (including PTC)
- Transmitter Power Supply: Minimum 15 V at 20 mA loop current, with overload protection up to 23 mA
- Isolation: Ground isolation for one group of 8 channels
- Safety: Intrinsic Safety protection for hazardous area applications
- Compatible Termination Units: TU890 (Ex applications) and TU891 (non-Ex applications)
- Rated Isolation Voltage: 50V
