Description
Overview
The ABB IEMMU22 Module Mounting Unit is a front-access rack structure designed for ABB Bailey Infi 90 control system architectures. It provides a standardized mechanical platform for installing and supporting control modules within industrial automation cabinets.
The unit ensures stable module alignment, secure electrical connectivity, and organized system layout for distributed control environments. It is commonly used as a structural backbone for rack-based I/O and processing assemblies.
Mechanical Design & Function
The IEMMU22 serves as a front-mounted chassis frame that accommodates multiple control modules in a defined rack configuration. It supports consistent module spacing, guided insertion, and reliable backplane interfacing.
Engineered for durability, the structure is optimized for continuous operation in process control environments where vibration resistance, mechanical stability, and service accessibility are required.
Technical Specifications
| Parameter |
Specification |
| Brand |
ABB |
| Model |
IEMMU22 |
| Product Type |
Module Mounting Unit (Front Mount) |
| System Compatibility |
ABB Bailey Infi 90 |
| Installation Type |
Rack / Cabinet Front Mount |
| Function |
Control module mechanical mounting platform |
| Material Construction |
Industrial-grade metal chassis |
| Mounting Orientation |
Front-access rack assembly |
| Backplane Interface |
Standard Infi 90 module connection support |
| Dimensions |
177.8 × 482.6 × 311.15 mm |
| Net Weight |
3.9 kg |
| Electrical Function |
Passive mechanical support (no active electronics) |
| WEEE Classification |
Small Equipment (<50 cm) |
System Role
Within ABB Infi 90 architectures, the IEMMU22 acts as the structural framework that holds and aligns control and I/O modules. It ensures correct seating of electronic units and maintains system integrity through rigid mechanical support.
It also facilitates simplified maintenance by allowing front-access module replacement without dismantling the full rack assembly.
Application Areas
The mounting unit is typically deployed in:
-
Distributed control system cabinets
-
Power generation control racks
-
Petrochemical process automation panels
-
Industrial instrumentation enclosures
-
Legacy ABB Infi 90 system upgrades
-
High-density control module installations
FAQ
What is the function of the IEMMU22?
The IEMMU22 provides a structured mounting frame for ABB Infi 90 control modules, ensuring mechanical alignment and secure installation.
Does the unit perform electrical processing?
No. It is a passive mechanical assembly with no active electronic components.
Is front access important in this design?
Yes. The front-mount design allows simplified module installation, replacement, and maintenance without full rack disassembly.
What systems is it compatible with?
It is designed for ABB Bailey Infi 90 distributed control system architectures.
