ABB Bailey NMMU01 Module Mounting Unit

Company Information
E-mail		[email protected]
Mobile		+8613666033393
Whatsapp		+8613666033393
WeChat		13666033393
Add		Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China

Product Overview

The ABB Bailey NMMU01 Module Mounting Unit is a high-quality chassis designed for housing ABB Bailey INFI 90, Harmony, and Symphony series control modules. As an integral part of the ABB Bailey Distributed Control System (DCS), the NMMU01 provides a secure and reliable mechanical and electrical platform for various processing and interface modules.

Engineered to meet the rigorous demands of industrial environments, the NMMU01 ensures robust physical mounting, superior thermal management, and reliable connectivity for the entire module population.

With its industrial-grade construction, modular scalability, and compatibility with legacy and modern ABB Bailey modules, the NMMU01 is widely deployed in industries such as power generation, oil & gas, petrochemical, chemical processing, pulp & paper, metals, and mining.

Its ease of installation, long-term reliability, and support for system upgrades make the NMMU01 an ideal choice for both new control installations and legacy system modernizations.

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Product Specifications

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Applications

The ABB Bailey NMMU01 Module Mounting Unit is used across a wide range of industrial DCS applications, including:

• DCS Chassis for Control Modules
  Serves as a base frame for housing ABB Bailey INFI 90, Harmony, and Symphony modules.

• Central Processing Unit (CPU) Housing
  Provides secure mechanical and electrical mounting for key processor modules (NMFP03, NMFP02).

• I/O Module Rack
  Houses interface and I/O modules for process control loops.

• System Expansion
  Enables addition of extra capacity and redundancy in existing DCS systems.

• Legacy System Modernization
  Supports hybrid upgrades with both legacy and modern ABB Bailey components.

• Harsh Industrial Environments
  Used in sectors such as power plants, oil & gas refineries, chemical processing, metals & mining, and paper mills.

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Product Advantages

• Designed for ABB Bailey DCS
  Fully compatible with INFI 90, Harmony, and Symphony modules.

• Robust Industrial Construction
  Built from high-strength aluminum alloy with industrial-grade plastic components.

• Large Module Capacity
  Supports up to 16 modules per unit — ideal for large-scale DCS installations.

• Excellent Heat Dissipation
  Passive convection design minimizes the need for forced cooling.

• Ease of Installation & Maintenance
  Allows tool-free insertion/removal of modules, reducing downtime.

• Flexible Mounting
  Compatible with both rack-mount and panel-mount installations.

• Backplane Bus Reliability
  High-integrity INFI-NET-compatible backplane ensures stable data transmission.

• Low Maintenance
  Virtually maintenance-free due to passive cooling and high-quality connectors.

• Global Industry Adoption
  Deployed in thousands of critical process control systems worldwide.

• Supports Long-Term System Evolution
  Ideal for phased DCS upgrades or hybrid legacy-modern systems.

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Frequently Asked Questions (FAQ)

1. What DCS systems is the NMMU01 compatible with?
   It is fully compatible with ABB Bailey INFI 90, Harmony, and Symphony series systems.

2. How many modules can the NMMU01 house?
   It supports up to 16 standard modules per chassis.

3. Is the NMMU01 rack-mountable?
   Yes — it is designed for standard 19-inch rack mounting or panel mounting.

4. Does the NMMU01 require forced-air cooling?
   No — it uses passive convection cooling, eliminating the need for fans.

5. Can the NMMU01 be used with legacy Bailey modules?
   Absolutely — it is backward compatible with older ABB Bailey modules.

6. What type of power supply does the NMMU01 use?
   External power supplies are used, appropriate to the installed modules’ requirements.

7. What are typical industries using the NMMU01?
   It is used in oil & gas, power generation, metals & mining, chemicals, pulp & paper, and more.

8. Can modules be swapped while the system is live?
   Yes — the chassis allows for hot swapping of certain modules, depending on module type.

9. What are the environmental specs for the NMMU01?
   It operates at 0 °C to +60 °C, 5% to 95% RH (non-condensing).

10. How heavy is a fully loaded NMMU01?
    Fully loaded, the chassis weighs 3.86 kg, depending on installed modules.

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Related Models from the Same Series or Category

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Popular ABB Models (Same Brand)

Frequently Asked Questions (FAQ)

1. What DCS systems is the NMMU01 compatible with?
   It is fully compatible with ABB Bailey INFI 90, Harmony, and Symphony series systems.

2. How many modules can the NMMU01 house?
   It supports up to 16 standard modules per chassis.

3. Is the NMMU01 rack-mountable?
   Yes — it is designed for standard 19-inch rack mounting or panel mounting.

4. Does the NMMU01 require forced-air cooling?
   No — it uses passive convection cooling, eliminating the need for fans.

5. Can the NMMU01 be used with legacy Bailey modules?
   Absolutely — it is backward compatible with older ABB Bailey modules.

6. What type of power supply does the NMMU01 use?
   External power supplies are used, appropriate to the installed modules’ requirements.

7. What are typical industries using the NMMU01?
   It is used in oil & gas, power generation, metals & mining, chemicals, pulp & paper, and more.

8. Can modules be swapped while the system is live?
   Yes — the chassis allows for hot swapping of certain modules, depending on module type.

9. What are the environmental specs for the NMMU01?
   It operates at 0 °C to +60 °C, 5% to 95% RH (non-condensing).

10. How heavy is a fully loaded NMMU01?
    Fully loaded, the chassis weighs 3.86 kg, depending on installed modules.

Related Models from the Same Series or Category

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Popular ABB Models (Same Brand)

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