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Product Overview
The WESTINGHOUSE 5X00481G04 is the controller processor card associated with the Ovation OCR1100 distributed control platform, historically rooted in Westinghouse process-control technology and now documented within Emerson’s Ovation product family. It provides the central processing function for control execution, process-data acquisition, alarm handling, sequence-of-events processing, and communication with local and remote I/O systems. The OCR1100 architecture supports up to 32,000 originated points and can execute up to five independent process-control tasks, with configurable execution rates from 10 ms to 30 seconds.
The controller uses an Intel-based processor and CompactPCI architecture, with non-volatile storage for application software, point databases, configuration information, and tuning parameters. In redundant installations, primary and backup controllers continuously synchronize application data, allowing automatic transfer of control when the active processor or associated interfaces fail. This architecture is particularly relevant to power generation, water treatment, and other continuous-process facilities where controller availability is a maintenance priority.
Technical Specifications — 5X00481G04
| Parameter | Value |
|---|---|
| Product Model | 5X00481G04 |
| Manufacturer / Platform | Westinghouse / Emerson Ovation |
| Product Type | OCR1100 Controller Processor Module |
| Controller Model | OCR1100 |
| Bus Structure | CompactPCI standard |
| Processor | Intel-based, 1.1 GHz |
| Memory | 1 GB Flash + 256 MB RAM |
| Ethernet | 4 × 10/100 Mbps |
| Ethernet Options | 4 × RJ45 or 1 × RJ45 + 3 × SFP fiber |
| Power | 24 VDC, 40 W |
| Originated Points | Up to 32,000 |
| Control Tasks | Up to 5 |
| Task Execution Rate | 10 ms to 30 s, depending on task |
| Sequence of Events | 1 ms resolution |
| I/O Support | Local and remote Ovation / Q-Line I/O |
| Smart Device Interfaces | Foundation Fieldbus, PROFIBUS, DeviceNet |
| Virtual I/O | Ethernet-based |
| Operating Temperature | 0 to 60 °C or 0 to 50 °C depending on NIC configuration |
| Humidity | 0–95% RH, non-condensing |
| Compliance | IEC 61131-3; Achilles Level 1 |
| Mounting | Ovation controller chassis / passive backplane |
Specifications are based on the OCR1100 controller data sheet.
WESTINGHOUSE 5X00481G04
Key Features and Benefits — 5X00481G04
- Central processing for Ovation distributed control applications.
- Supports continuous PID control, sequential logic, data acquisition, alarms, and timing functions.
- Up to five concurrent control tasks with independent execution rates.
- Integrated 1 ms sequence-of-events capability for event analysis.
- Supports both local and remote I/O architectures.
- Redundant controller configuration enables automatic failover.
- Primary and backup processors maintain synchronized control data.
- CompactPCI-based design supports established Ovation hardware architecture.
- Non-volatile storage preserves application and configuration information during power interruptions.
Related Models
5X00226G04 — The companion OCR1100 controller interface module used with the processor module in the two-module controller architecture.
OCR400 — An earlier Ovation controller platform. The OCR1100 provides backward hardware compatibility with OCR400 applications when installed on a supported Ovation software release.
OCR1100 — The controller platform incorporating the processor, networking, I/O interfaces, redundancy functions, and real-time control capabilities described above.
Ovation Q-Line I/O — A compatible I/O architecture supported by the controller for process signal acquisition and control applications.
Installation and Maintenance — 5X00481G04
Install the processor in the designated controller chassis and passive backplane according to the applicable Ovation hardware configuration. Verify redundant 24 VDC power distribution, network connections, controller pairing, and I/O interface configuration before energization. Because the controller participates in application execution and redundancy synchronization, replacement should not be treated as a simple plug-in hardware swap.
Before removing an installed unit, record the controller identity, firmware/software level, network configuration, redundancy status, and application database information. After installation, confirm controller synchronization, I/O access, alarm status, and control-task execution. Personally, I would verify the complete controller pair before commissioning a spare; a healthy processor alone does not guarantee correct redundant-system operation.
Product Warranty — 5X00481G04
Warranty terms vary according to supplier and equipment condition, including new original, unused surplus, refurbished, or tested spare stock. Procurement documentation should identify the exact part number, hardware revision, serial number, test status, and return conditions.
The WESTINGHOUSE 5X00481G04 is a critical Ovation OCR1100 controller processor component for legacy and continuing DCS installations. Its combination of real-time control, extensive I/O connectivity, sequence-of-events processing, and redundant failover makes exact hardware and configuration matching important when selecting a replacement.
