+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The ABB IEMMU21 is a high-performance module mounting unit designed for industrial automation systems, specifically engineered for seamless integration with ABB’s Bailey INFI 90 distributed control system (DCS). As a critical component of the INFI 90 platform, this unit provides a robust foundation for housing and interconnecting system modules, ensuring reliable signal distribution and power management in demanding industrial environments.
With a 12-slot capacity, the IEMMU21 supports the installation of standard INFI 90 modules, including I/O, communication, and power modules, enabling scalable and flexible system configurations. It features a rear-mount chassis design optimized for space efficiency in 19″ cabinets, making it ideal for retrofitting existing systems or deploying new installations where compactness is essential. The unit’s backplane assembly (model 6642626-1) ensures high-integrity electrical connectivity, delivering stable distribution of I/O expander bus, module bus, and control signals, as well as regulated power supply voltages (+5V, +15V, –15V, and +24V DC) 37.
Compliant with IEC 61000-4 and CISPR 11 standards, the IEMMU21 offers exceptional electromagnetic compatibility (EMC), minimizing interference in noisy industrial settings. Its IP66-rated enclosure and wide operating temperature range (0°C to 70°C) ensure durability in harsh conditions, while the -40°C to 85°C storage temperature range guarantees long-term reliability 79. By combining ABB’s advanced engineering with modular scalability, the IEMMU21 empowers industries to achieve efficient, future-proof control systems across manufacturing, power generation, and process automation.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | IEMMU21 |
| Manufacturer | ABB |
| Product Type | Module Mounting Unit |
| Module Capacity | 12 slots |
| Mounting Type | Rear-mount chassis for 19″ cabinets |
| Power Supply | Regulated DC voltages: +5V, +15V, –15V, +24V DC |
| Input Voltage | 120/240V AC, 24/48V DC (for primary power in select variants) |
| Operating Temperature | 0°C to 70°C |
| Storage Temperature | –40°C to 85°C |
| Relative Humidity | 5%–95% non-condensing (up to 55°C); 5%–45% non-condensing (up to 70°C) |
| EMC Compliance | IEC 61000-4 (fast transient, surge, ESD), CISPR 11 |
| Physical Dimensions | 483mm (W) × 178mm (H) × 304mm (D) |
| Weight | 3.63 kg |
| Certifications | CE, CSA (Class I, Division 2, Groups A/B/C/D), FM (Class I, Division 2) |
Main Features and Advantages
Modular Scalability:
The IEMMU21 supports up to 12 INFI 90 modules, allowing users to expand I/O capacity, communication interfaces, and control functions as needed. Its plug-and-play design simplifies module replacement and system upgrades, reducing downtime during maintenance 37.
The IEMMU21 supports up to 12 INFI 90 modules, allowing users to expand I/O capacity, communication interfaces, and control functions as needed. Its plug-and-play design simplifies module replacement and system upgrades, reducing downtime during maintenance 37.
Reliable Signal and Power Distribution:
The unit’s backplane provides low-noise signal routing and stable power distribution, ensuring accurate data transmission and consistent module performance. It includes dedicated buses for I/O expansion, module communication, and control signals, optimizing system responsiveness 39.
The unit’s backplane provides low-noise signal routing and stable power distribution, ensuring accurate data transmission and consistent module performance. It includes dedicated buses for I/O expansion, module communication, and control signals, optimizing system responsiveness 39.
Harsh Environment Resilience:
With an IP66-rated enclosure and vibration-resistant construction, the IEMMU21 withstands dust, moisture, and mechanical stress in industrial environments. Its wide temperature range (-40°C to 85°C storage) and non-corrosive air quality compliance make it suitable for outdoor or high-vibration applications like power plants and manufacturing facilities 79.
With an IP66-rated enclosure and vibration-resistant construction, the IEMMU21 withstands dust, moisture, and mechanical stress in industrial environments. Its wide temperature range (-40°C to 85°C storage) and non-corrosive air quality compliance make it suitable for outdoor or high-vibration applications like power plants and manufacturing facilities 79.
EMC Protection:
Compliant with IEC 61000-4 standards, the IEMMU21 minimizes electromagnetic interference, ensuring reliable operation in proximity to high-power equipment. This is critical for maintaining data integrity in sensitive control systems 7.
Compliant with IEC 61000-4 standards, the IEMMU21 minimizes electromagnetic interference, ensuring reliable operation in proximity to high-power equipment. This is critical for maintaining data integrity in sensitive control systems 7.
Space-Efficient Design:
The IEMMU21’s compact 19″ form factor fits seamlessly into standard cabinets, making it ideal for retrofitting legacy systems or deploying in space-constrained environments. Its lightweight design (3.63 kg) also simplifies installation and reduces cabinet load 79.
The IEMMU21’s compact 19″ form factor fits seamlessly into standard cabinets, making it ideal for retrofitting legacy systems or deploying in space-constrained environments. Its lightweight design (3.63 kg) also simplifies installation and reduces cabinet load 79.
Application Areas
Industrial Automation:
The IEMMU21 is widely used in manufacturing plants to integrate I/O modules, communication gateways, and control processors for machinery automation. Its modular design supports scalable systems for conveyor belts, robotic arms, and process monitoring 18.
The IEMMU21 is widely used in manufacturing plants to integrate I/O modules, communication gateways, and control processors for machinery automation. Its modular design supports scalable systems for conveyor belts, robotic arms, and process monitoring 18.
Power Generation:
In power plants, the IEMMU21 facilitates the integration of turbine control modules, distributed I/O, and power management systems. Its EMC compliance and temperature resilience ensure stable operation in high-voltage environments 39.
In power plants, the IEMMU21 facilitates the integration of turbine control modules, distributed I/O, and power management systems. Its EMC compliance and temperature resilience ensure stable operation in high-voltage environments 39.
Process Control:
For chemical, petrochemical, and water treatment facilities, the IEMMU21 serves as a foundation for DCS architectures, enabling real-time monitoring of valves, pumps, and actuators. Its IP66-rated enclosure protects against corrosive chemicals and moisture 17.
For chemical, petrochemical, and water treatment facilities, the IEMMU21 serves as a foundation for DCS architectures, enabling real-time monitoring of valves, pumps, and actuators. Its IP66-rated enclosure protects against corrosive chemicals and moisture 17.
Smart Buildings:
In HVAC systems and building management, the IEMMU21 supports communication modules for centralized control of lighting, security, and energy management. Its compatibility with Modbus and Ethernet protocols ensures seamless integration with third-party systems 17.
In HVAC systems and building management, the IEMMU21 supports communication modules for centralized control of lighting, security, and energy management. Its compatibility with Modbus and Ethernet protocols ensures seamless integration with third-party systems 17.
Transportation Infrastructure:
For railway signaling and EV charging stations, the IEMMU21 provides a reliable mounting solution for control and communication modules. Its vibration resistance and wide temperature range are critical for outdoor and mobile applications 89.
For railway signaling and EV charging stations, the IEMMU21 provides a reliable mounting solution for control and communication modules. Its vibration resistance and wide temperature range are critical for outdoor and mobile applications 89.
Related Products
- ABB IEMMU22: A front-mount variant of the IEMMU21, designed for cabinets requiring accessible module placement 37.
- ABB INFI 90 I/O Modules: Models like CI801 (communication interface) and DI810 (digital input) complement the IEMMU21 for distributed control 37.
- ABB Symphony Harmony BRC-100: A bridge controller module compatible with the IEMMU21 for integrating INFI 90 systems with modern automation platforms 7.
- ABB Power Supply Modules: Products like PS 801 provide redundant power for the IEMMU21 in mission-critical applications 7.
- ABB Industrial Communication Gateways: Devices like ProSoft Technology’s VME-ENET enable Ethernet connectivity for IEMMU21-based systems 7.
Installation and Maintenance
Installation Preparations:
Before installing the IEMMU21, ensure the cabinet environment meets temperature (0°C to 70°C) and humidity (5%–95% non-condensing) requirements. Verify the power supply matches the module’s input specifications and clean the mounting surface to prevent debris accumulation. Align the unit with the cabinet’s 19″ rails and secure it using the provided brackets, ensuring proper grounding for EMC compliance 79.
Before installing the IEMMU21, ensure the cabinet environment meets temperature (0°C to 70°C) and humidity (5%–95% non-condensing) requirements. Verify the power supply matches the module’s input specifications and clean the mounting surface to prevent debris accumulation. Align the unit with the cabinet’s 19″ rails and secure it using the provided brackets, ensuring proper grounding for EMC compliance 79.
Maintenance Advice:
Regularly inspect the IEMMU21 for loose connections or physical damage. Clean the enclosure with a dry cloth to remove dust and ensure ventilation slots remain unobstructed. Use ABB’s Automation Builder software to monitor module health and perform firmware updates as needed. For extreme environments, lubricate moving parts annually and check for corrosion. Replace faulty modules immediately to maintain system integrity 79.
Regularly inspect the IEMMU21 for loose connections or physical damage. Clean the enclosure with a dry cloth to remove dust and ensure ventilation slots remain unobstructed. Use ABB’s Automation Builder software to monitor module health and perform firmware updates as needed. For extreme environments, lubricate moving parts annually and check for corrosion. Replace faulty modules immediately to maintain system integrity 79.
Product Guarantee
ABB provides a 1-year warranty for the IEMMU21, covering defects in materials and workmanship. This includes free repair or replacement of faulty components, such as the backplane or power distribution circuitry. ABB’s global service network offers 24/7 technical support for installation, troubleshooting, and firmware updates. Optional extended warranties (up to 5 years) and predictive maintenance plans are available to further extend system reliability. By choosing the IEMMU21, customers benefit from ABB’s commitment to quality, ensuring long-term performance in industrial automation systems
HS:7326909000
Contact info
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