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:

1. 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).
2. Power Distribution:
   • Distributes regulated DC voltages: +5V, +15V, -15V, +24V.
   • Compatible with 24/48 VDC power inputs, supporting flexible installation environments.
3. Communication:
   • Distributes signals for Controlway, Module Bus, and I/O Expander Bus communication.
   • Designed to ensure seamless communication between installed modules.
4. Mounting:
   • Rear-mounted design for use in standard industrial control cabinets.
   • Suitable for applications requiring space-efficient module configurations.
5. Compatibility:
   • Supports modern and legacy modules, enabling mixed system configurations.
   • Works seamlessly with the INFI 90® OPEN system and Harmony control systems.

Specifications:

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.