Product Details
Description
The ABB IEMMU21 is a 12-slot industrial chassis designed for the Bailey Infi 90 and Network 90 Distributed Control Systems. It serves as the primary structural and electrical framework for housing system modules in a rear-mounting configuration. The unit features a high-performance integrated backplane that facilitates centralized power distribution and high-speed data communication via Controlway and Slave Bus protocols. Its rugged 19-inch design ensures secure module alignment and reliable interconnectivity for mission-critical DCS hardware.
Specifications
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Brand: ABB Bailey
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Model Number: IEMMU21
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Product Type: Module Mounting Unit (MMU)
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Series: Infi 90 / Network 90
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Slot Capacity: 12 module slots
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Mounting Style: Rear-access, 19-inch rack-mount
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Bus Support: Controlway and Slave Bus compatible
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Net Weight: 4.15 kg (9.15 lbs)
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Dimensions: 177.8 mm x 482.6 mm x 298.5 mm
Features
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Rear-Mount Optimization: Designed for cabinet architectures requiring rear-side module installation and cable management.
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Integrated Bus Architecture: Ensures low-latency communication and stable DC power delivery across all 12 slots.
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Industrial Durability: Heavy-duty metal frame protects sensitive electronics from mechanical stress and vibration.
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Seamless Scalability: Provides a standardized interface for expanding I/O and processing capacity within existing DCS racks.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.