ABB IEMMU21
ABB IEMMU21
ABB IEMMU21
ABB IEMMU21

ABB IEMMU21

High Performance and Reliability: The IEMMU21 offers robust performance and reliability, ensuring stable operation of control modules in various industrial applications.
Flexible Configuration: The unit supports up to 12 system modules or 10 system modules with 2 power modules, providing scalable power distribution and communication capabilities.
Wide Compatibility: The IEMMU21 is compatible with modern and legacy modules, enabling mixed system configurations. It works seamlessly with the INFI 90® OPEN system and Harmony control systems.
Advanced Communication: The unit supports multiple communication protocols, including Modbus TCP/IP, Profibus DP, and Ethernet, facilitating integration with existing industrial networks.
User-Friendly Design: The rear-mounted design of the IEMMU21 allows for easy integration into standard industrial control cabinets, simplifying installation and maintenance.
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Part number: ABB IEMMU21
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Description

Detailed Parameter Table

Parameter Name Parameter Value
Product model ABB IEMMU21
Manufacturer ABB
Product category Module Mounting Unit
Input voltage range 24V AC/DC to 690V AC/DC
Operating frequency 47-63 Hz
Output voltage +5V, +15V, -15V, +24V regulated DC
Module capacity Up to 12 system modules (or 10 modules + 2 power modules)
Communication protocols Modbus TCP/IP, Profibus DP, Ethernet, Controlway, Module Bus, I/O Expander Bus
Operating temperature -20°C to +70°C
Humidity 5% to 95% non-condensing
Protection class IP20
Dimensions Standard 483 mm (19-in.) cabinet configuration
Weight Approximately 3.86 kg (8.5 lbs)
Certifications CE, UL, RoHS
ABB IEMMU21

ABB IEMMU21

Product Introduction

The ABB IEMMU21 is a high-performance module mounting unit designed for industrial automation and control systems. It is part of the ABB Bailey INFI 90 series and is used to house and interconnect various process control modules. The IEMMU21 provides reliable power distribution and communication capabilities, ensuring seamless operation in demanding industrial environments.

Core Advantages and Technical Highlights

High Performance and Reliability: The IEMMU21 offers robust performance and reliability, ensuring stable operation of control modules in various industrial applications.
Flexible Configuration: The unit supports up to 12 system modules or 10 system modules with 2 power modules, providing scalable power distribution and communication capabilities.
Wide Compatibility: The IEMMU21 is compatible with modern and legacy modules, enabling mixed system configurations. It works seamlessly with the INFI 90® OPEN system and Harmony control systems.
Advanced Communication: The unit supports multiple communication protocols, including Modbus TCP/IP, Profibus DP, and Ethernet, facilitating integration with existing industrial networks.
User-Friendly Design: The rear-mounted design of the IEMMU21 allows for easy integration into standard industrial control cabinets, simplifying installation and maintenance.

ABB IEMMU21

ABB IEMMU21

Typical Application Scenarios

The ABB IEMMU21 is widely used in various industrial sectors, including:
  • 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 while providing backward compatibility.

Related Model Recommendations

  • ABB BRC-100 Harmony Bridge Controller: Compatible with the IEMMU21 for enhanced control solutions.
  • ABB Symphony Plus: A comprehensive DCS system that the IEMMU21 integrates with for advanced control applications.

Installation, Commissioning and Maintenance Instructions

Installation Preparation

Before installing the ABB IEMMU21, ensure that the environment meets the specified requirements, including an operating temperature range of -20°C to +70°C. The installation location should be free from excessive dust, moisture, and corrosive gases to ensure long-term reliability. Use a standard 483 mm (19-in.) cabinet for secure installation.

Maintenance Suggestions

To maintain the ABB IEMMU21, perform regular inspections of the unit and its connections to ensure they are secure and free from corrosion. Clean the unit regularly with a soft, dry cloth to remove dust and debris. If any issues arise, refer to the troubleshooting guide in the user manual for common solutions. Replace any worn or damaged parts promptly to ensure continued performance.
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