IMASM03 | ABB Bailey Analog Slave Module

Overview

The ABB Bailey IMASM03 is a Universal Analog Input Slave Module designed for INFI 90 process control systems. It acquires multiple types of analog field signals and transmits the processed data to the Analog Master Module for use in distributed control applications.

Technical Specifications

• Product Type: Universal Analog Input Slave Module
• Part Number: IMASM03
• System Compatibility: ABB Bailey INFI 90 / Network 90
• Input Channels: 16 analog inputs
• Supported Signal Types:
  • Thermocouple: E, J, K, L, N, R, S, T, U (including Chinese E, S)
  • Millivolt: -100 mV to +100 mV
  • Voltage: -10 V to +10 V
  • Current: 4–20 mA
  • RTD: 10 Ω copper, 100 Ω platinum, 120 Ω nickel
• Signal Processing:
  • Analog-to-digital conversion up to 24-bit resolution
  • Channel isolation per input
  • Open circuit detection
  • Auto calibration and drift compensation
• Communication Interface: Slave Expander Bus to MFP module
• Installation Requirement: Standard INFI 90 Module Mounting Unit (MMU)

Key Features

• Supports up to 16 isolated analog input channels
• Compatible with thermocouple, RTD, millivolt, voltage, and current signals
• Provides high-resolution signal acquisition up to 24-bit conversion
• Automatic calibration and temperature drift compensation
• Supports engineering unit conversion for temperature inputs
• Individually configurable input channels
• Designed for integration in INFI 90 distributed control systems

Installation Notes

• Install the module in a standard INFI 90 module mounting unit
• Connect field wiring via approved termination units
• Configure channel types and address settings before commissioning
• Ensure correct grounding and shielding for analog signal stability
• Verify communication with the Analog Master Module during startup
• Perform system validation according to ABB INFI 90 procedures