Description

Product Description

The IMAMM03 is an analog master module developed by ABB for use in INFI-90 and Symphony distributed control systems. It operates as the supervisory processing unit for analog input modules, managing data acquisition, signal conditioning, and communication with the system controller.

This module coordinates multiple analog input channels through associated slave modules, ensuring consistent measurement accuracy and synchronized data handling. With integrated filtering and diagnostic capabilities, the IMAMM03 enhances signal integrity in demanding industrial environments where precise analog monitoring is critical.

Designed for continuous-duty operation, the module is commonly implemented in large-scale process systems requiring stable and centralized analog data processing.

Technical Specifications

General Information

• Manufacturer: ABB

• Model: IMAMM03

• Product Type: Analog Master Module

• System Compatibility: INFI-90, Symphony DCS

• Functional Role: Centralized analog signal management and communication

Analog Processing Capabilities

• Supported Input Types:

• 4–20 mA current signals

• Voltage inputs (via compatible input modules)

• Channel Capacity:

• Supports up to 64 analog input channels through expansion modules

• Signal Handling:

• Linearization and scaling

• Digital filtering for noise reduction

• Signal validation and diagnostics

System Integration

• Module Coordination:

• Controls and synchronizes multiple analog input modules (e.g., IMASI series)

• Communication Interface:

• Direct connection to INFI-90 module bus

• Transfers processed analog data to controller modules

• Data Acquisition:

• Deterministic scan timing for consistent measurement updates

Electrical Characteristics

• Power Supply: Backplane-powered via mounting unit

• Isolation:

• Galvanic isolation between input signals and system electronics

• Noise Immunity:

• Designed for high-interference industrial environments

Diagnostics & Indicators

• LED Indicators:

• Module status

• Communication activity

• Built-in Diagnostics:

• Continuous health monitoring

• Fault detection and reporting

Mechanical Specifications

• Dimensions:

• 17.8 cm × 5.1 cm × 2.5 cm

• Weight: 0.3 kg

• Mounting: Standard INFI-90 rack slot

Environmental Conditions

• Operating Temperature: 0 to 55 °C

• Storage Temperature: –40 to 85 °C (typical)

• Relative Humidity: Up to 95% non-condensing

• Construction: Industrial-grade PCB with front-facing indicators

Applications

• Centralized analog input management in ABB DCS systems

• Power plant instrumentation and monitoring

• Petrochemical and refining processes

• High-precision measurement systems requiring stable signal processing

• Industrial environments with high electrical noise levels

FAQ

Q: What role does the IMAMM03 play in the system architecture?
A: It serves as the master controller for analog input modules, handling processing, coordination, and communication.

Q: How many input channels can it manage?
A: It can supervise up to 64 analog input signals when used with compatible expansion modules.

Q: Does this module directly connect to field sensors?
A: No, it works in conjunction with analog input modules that interface with field devices.

Q: What types of signals are supported?
A: Primarily 4–20 mA and voltage signals, depending on the connected input modules.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems