Email: sales@runshengdcs.com
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Phone：+86 15383419322Description
The WESTINGHOUSE 5X00357G03 is a mission-critical Data Highway Gateway Module for the WDPF II (Westinghouse Distributed Processing Family) distributed control system, serving as the backbone for plant-wide communications in large-scale power generation and industrial facilities. This module enabled deterministic data exchange between control processors, I/O racks, and operator stations across redundant token-passing networks. Engineered for extreme reliability, the 5X00357G03 synchronized real-time process data across 250+ nodes with sub-second latency – a revolutionary capability in 1990s-era DCS architecture. As a core component of Westinghouse’s infrastructure (now supported by Emerson), it facilitated millisecond-accurate coordination of turbine controls, burner management systems, and safety interlocks while maintaining <50µs clock synchronization across geographically dispersed nodes.
The WESTINGHOUSE 5X00357G03 featured dual autonomous highway interfaces with automatic traffic rerouting during fiber optic breaks or electrical faults. Its radiation-hardened variant (5X00357G03-N) met IEEE 323 standards for nuclear applications, where it handled non-safety data concentration for reactor auxiliary systems. The module’s patented token management algorithm guaranteed deterministic delivery of safety-critical signals like turbine trip commands, even during network congestion events.
5X00357G03 WESTINGHOUSE
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | 5X00357G03 |
| Manufacturer | Westinghouse (Emerson Process Management) |
| Product Type | Data Highway Gateway |
| System Platform | WDPF II DCS |
| Network Topology | Dual Redundant Token-Passing Rings |
| Data Rate | 2 Mbps per highway (full duplex) |
| Max Nodes | 255 per ring |
| Synchronization Accuracy | <50µs node-to-node |
| Protocol | Westinghouse Deterministic Peer-to-Peer |
| Media Support | Fiber optic (62.5/125µm), Coaxial (RG-11) |
| Latency | 5ms max (node to adjacent node) |
| Redundancy Switchover | <100ms (automatic fault detection) |
| Diagnostics | Bit Error Rate (BER) monitoring, token health |
| Power Supply | 24V DC ±10% (dual redundant inputs) |
| Operating Temperature | -40°C to 70°C (-40°F to 158°F) |
| Certifications | UL 508, IEEE 323 (Nuclear), IEEE 1613 |
| Dimensions | 178mm × 482mm × 280mm (3U Chassis) |
Main Features and Advantages
Deterministic network performance: The WESTINGHOUSE 5X00357G03 implemented hardware-level token management that guaranteed worst-case 250ms delivery for safety-critical signals across maximum-sized networks. Dual independent DMA engines prevented CPU bottlenecks during broadcast storms. Radiation-hardened variants used SEU-resistant FPGAs to maintain data integrity in neutron flux environments.
Advanced fault containment: Segmented ring architecture isolated faults to single subsections while maintaining plant-wide communications. Continuous BER monitoring detected degrading fiber connections before failure. The module’s “hot ring join” capability allowed adding nodes without network interruption – critical during plant expansions. Integrated time server functionality synchronized all WDPF II nodes to within 50µs using IEEE 1588-like precision timing protocol, enabling coordinated turbine-generator synchronization.
Application Field
The WESTINGHOUSE 5X00357G03 was deployed in:
1,000MW+ Coal Plants: Coordinating boiler/turbine controls across 500m+ plant footprints
Nuclear Stations: Non-safety data highways for feedwater control (using 5X00357G03-N)
Offshore Platforms: Fiber-optic networks connecting drilling, fire/gas, and compressor systems
Pipeline SCADA: Synchronizing compressor stations across 50km+ distances
Steel Mills: Blast furnace and rolling mill control integration
In combined-cycle plants, it enabled cross-turbine load sharing during grid frequency events. The module’s deterministic timing proved critical for black-start sequencing where millisecond-accurate equipment energization prevented damage.
5X00357G03 WESTINGHOUSE
Related Products
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5X00358G01: Enhanced Gateway with Ethernet Translation
5X00109G02: Redundant Control Processor
5X00300G02: MMI Station Gateway
5X00400G01: Historian Data Gateway
Ovation Ethernet Gateway: Modern Emerson replacement
5X00270G01: Fiber Optic Repeater Module
WDPF II Token Bus Coupler: For legacy network expansion
