IEMMU21 | ABB Bailey INFI 90 Module Mounting Unit

Overview

The IEMMU21 is a module mounting unit designed for the INFI 90® OPEN process control system, offering enhanced compatibility and functionality for housing system modules in industrial control environments. It supports modern configurations while maintaining compatibility with legacy systems.

Description:

The IEMMU21 serves as a rear-mounted unit, designed to house and interconnect up to 12 system modules or 10 system modules with 2 power modules.
It is compatible with the BRC-100 Harmony Bridge Controller and other modules in the Symphony™ Enterprise Management and Control System.
The unit distributes regulated power and communication signals to the installed modules.

Features:

Module Housing:
- Provides physical support and electrical connectivity for 12 modules.
- Configurable for systems requiring additional power modules (2 slots allocated for power modules if used).
Power Distribution:
- Distributes regulated DC voltages: +5V, +15V, -15V, +24V.
- Compatible with 24/48 VDC power inputs, supporting flexible installation environments.
Communication:
- Distributes signals for Controlway, Module Bus, and I/O Expander Bus communication.
- Designed to ensure seamless communication between installed modules.
Mounting:
- Rear-mounted design for use in standard industrial control cabinets.
- Suitable for applications requiring space-efficient module configurations.
Compatibility:
- Supports modern and legacy modules, enabling mixed system configurations.
- Works seamlessly with the INFI 90® OPEN system and Harmony control systems.

Specifications:

Attribute	Value
Module Capacity	Up to 12 system modules (or 10 modules + 2 power modules).
Power Input	24/48 VDC.
Distributed Voltages	+5V, +15V, -15V, +24V regulated DC.
Communication Buses	Controlway, Module Bus, I/O Expander Bus.
Mounting Type	Rear-mounted.
Operating Temperature	0°C to 70°C (32°F to 158°F).
Relative Humidity	5% to 95%, non-condensing.
Dimensions	Fits standard industrial cabinet configurations.
Weight	Approximately 8.5 lbs (3.86 kg).

Applications:

The IEMMU21 is commonly used in:

Process Automation Systems: Housing modules for control and monitoring in industrial processes.
Power Plants: Supporting controllers and I/O modules in power generation environments.
System Upgrades: Replacing older module mounting units like the IEMMU01 while providing backward compatibility.

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