37262-4-0369575 ABB Bailey

Product Dimensions：

The 37262-4-0369575 is engineered as a foundational component for the I90 Chassis. In the Bailey architecture, the chassis serves as the physical and electrical housing for various control, communication, and input/output modules. This board acts as a bridge, ensuring that power distributed from the system power supplies is correctly routed to the active electronics of the installed modules. It is built to industrial standards, featuring heavy-duty traces and connectors capable of handling the continuous duty cycles required in large-scale process automation.

Product Parameters

• System Series: Bailey Infi 90 / Network 90

• Component Type: Chassis Power Module Board / Backplane Accessory

• Voltage Compatibility: Designed for standard DCS power rails, typically supporting $5 \text{ VDC}$, $+15 \text{ VDC}$, and $-15 \text{ VDC}$ distributions.

• Mounting Type: Internal chassis mounting, specifically for the I90 rack system.

• Connector Type: High-reliability multi-pin connectors designed for repeated insertion and removal of modules.

• Weight: Approximately $0.2 \text{ kg}$ to $0.5 \text{ kg}$ (depending on specific revision).

• Operating Temperature: $0^\circ\text{C}$ to $60^\circ\text{C}$ ($32^\circ\text{F}$ to $140^\circ\text{F}$).

Product Advantages

• Enhanced Reliability: Built with high-grade industrial components to ensure long-term stability in 24/7 process environments such as power plants and refineries.

• Ease of Maintenance: The modular design of the board allows for relatively straightforward replacement or troubleshooting within the Infi 90 cabinet without requiring a full system redesign.

• Legacy Protection: By providing a source of compatible replacement parts, this module allows facilities to extend the life of their existing Infi 90 infrastructure, avoiding the high cost of a complete system migration.

• Proven Track Record: The Infi 90 platform is one of the most widely deployed DCS architectures in history, known for its robustness and predictable performance under heavy load.

Important Considerations

• Firmware and Revision: When replacing this board, it is critical to verify that the revision number matches your existing hardware, as different versions of the Infi 90 chassis may have slight variations in pinouts or power handling.

• Installation Hazard: Never install or remove this board while the chassis power is active. Doing so can cause electrical arcing, which may damage the backplane or the expensive I/O modules plugged into it.

• ESD Precautions: This is a sensitive electronic circuit board. Always use grounded wrist straps and anti-static packaging during handling to prevent Electrostatic Discharge (ESD) damage.

• Lifecycle Status: This product is part of a legacy system. ABB has moved toward newer platforms like Symphony Plus, so availability is often limited to refurbished or surplus stock. Users should maintain a critical spares inventory.

Product Applications

The ABB Bailey 37262-4-0369575 is primarily used in large-scale industrial control environments where the Bailey Infi 90 system is the primary automation controller.

• Power Generation: Used in fossil fuel and nuclear power plants to manage boiler controls, turbine monitoring, and auxiliary systems.

• Oil and Gas: Found in refineries and midstream processing plants for loop and logic control of volatile chemical processes.

• Pulp and Paper: Utilized in complex manufacturing lines that require high-speed sequencing and precise analog control.

• Chemical Processing: Applied in batch and continuous process control where high availability and safety integration are mandatory.

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