ABB IMASI13 Bailey Infi 90 Analog Input Slave Module

Product Overview

The ABB IMASI13 is a high-performance Analog Input Slave module designed for the Bailey Infi 90 and Harmony distributed control systems (DCS). This module functions as a critical bridge between field instrumentation and the system's process controllers, specialized in converting high-level analog signals into digital data for the Controlway or Slave bus. Engineered for mission-critical reliability, the IMASI13 provides superior signal conditioning and electrical protection, ensuring that process variables from across the plant are captured with precision. Its architecture is specifically optimized for high-density environments, allowing industrial facilities to scale their I/O capacity while maintaining a compact cabinet footprint.

Key Technical Characteristics and Hardware Parameters

The IMASI13 is built to withstand the electrical rigors of heavy industrial environments, featuring optical isolation and multi-channel capability.

• Module Type Analog Input Slave Module

• Product Series Bailey Infi 90 / Harmony Series

• Channel Configuration 16-channel high-level analog input capability

• Input Signal Support Supports 1-5 VDC, 0-5 VDC, 0-10 VDC, and 4-20 mA signals (via external resistors)

• Isolation Technology Integrated optical isolation to eliminate ground loops and prevent transient damage

• A/D Conversion High-resolution analog-to-digital processing for deterministic data acquisition

• Power Consumption Optimized low-draw design powered through the system backplane

• Diagnostic Features On-board status LEDs for rapid fault identification and bus communication monitoring

• Physical Weight 1.22 kg

• Standard Dimensions 24 x 19 x 5.3 cm

• Operating Standards Compliant with major international electromagnetic compatibility (EMC) requirements

Industrial Applications and Operational Use Cases

The robust design of the IMASI13 makes it a standard choice for legacy system maintenance and modern process automation upgrades.

• Power Plant Control Systems Monitoring critical steam and water pressure loops where high-speed data transmission to the DCS is essential for turbine safety.

• Chemical and Petrochemical Processing Capturing temperature and flow data from transmitters across hazardous zones, utilizing the module's isolation to protect the central controller.

• Pulp and Paper Manufacturing Managing the multi-variable analog inputs required for synchronized motor speed and tension control on paper machines.

• Legacy System Support Serving as a direct, hot-swappable replacement for aging Infi 90 installations to extend the operational lifespan of existing infrastructure.

• Water and Wastewater Treatment Centralizing data from geographically dispersed flow meters and level sensors into a single Harmony control rack.