ABB AI890 Analog Input Module – Product Description

Overview

The ABB AI890 is an 8-channel analog input module engineered for intrinsically safe operation in hazardous areas. It converts analog signals from field transmitters into accurate digital data for ABB controllers. Moreover, the module integrates intrinsic safety components, eliminating the need for external safety barriers.

Technical Specifications

• Model: AI890

• Part Number: 3BSC690071R1

• Type: Analog Input Module (Intrinsic Safety)

• System Compatibility: ABB S800 I/O, System 800xA

• Channels: 8 single-ended analog inputs

• Signal Types: 0–20 mA, 4–20 mA

• Resolution: 16-bit ADC

• Accuracy: ±0.1% of full scale

• Isolation: Intrinsic safety interface

• Compatible MTUs: TU890, TU891

• Dimensions (W × H × D): 45 × 102 × 119 mm

• Weight: 0.2 kg

• Power Supply: From I/O backplane (24 V DC typical)

• Protection Class: IP20

• Country of Origin: Sweden

• Application Areas: Hazardous area automation, intrinsically safe signal acquisition

FAQ

Q: How many analog channels does the AI890 support?
A: It provides 8 single-ended analog input channels for process signals.

Q: What signal ranges are compatible?
A: The module supports 0–20 mA and 4–20 mA signal types.

Q: Is the module intrinsically safe?
A: Yes, each channel includes intrinsic safety components for hazardous areas.

Q: What mounting options are available?
A: It mounts securely on a standard DIN-rail for compact installation.

Q: Which ABB systems are compatible?
A: Compatible with ABB S800 I/O and System 800xA platforms.