Westinghouse 5X00 Series Modules: 5X00419G01 Specs, Models & Availability

Technical Dossier

Product Details And Specifications

Westinghouse 5X00 Series: Comprehensive Module Range and Technical Overview

The Westinghouse 5X00 Series represents one of the most widely deployed distributed control system (DCS) module families in global heavy industry. Originally developed under Westinghouse Process Control and subsequently maintained under Emerson Electric following the 1999 acquisition, these modules form the backbone of the Ovation and WDPF (Westinghouse Distributed Processing Family) control architectures. Active installations span nuclear power stations, coal and gas-fired generation plants, petrochemical refineries, and chemical processing facilities across North America, Europe, and Asia-Pacific. The 5X00 platform's long service life — many installations dating to the 1980s and 1990s remain operational — creates sustained demand for spare parts, replacement boards, and lifecycle extension support. DriveKNMS maintains a dedicated inventory of 5X00 Series modules to serve facilities requiring long-term maintenance continuity.

The Evolution of 5X00 Series Architecture

The 5X00 Series was introduced as part of the WDPF platform in the early 1980s, designed around a proprietary backplane bus architecture that enabled modular expansion of I/O, processing, and communications capacity. Early revisions used discrete logic and early VLSI components; subsequent generations integrated surface-mount technology and field-programmable gate arrays (FPGAs) to improve signal processing density and noise immunity.

The transition from WDPF to the Ovation control system in the mid-1990s retained backward compatibility with many 5X00 Series I/O modules, allowing phased migration without full hardware replacement. This architectural continuity is a defining characteristic of the platform and explains why 5X00 modules remain in service alongside modern Ovation controllers decades after initial deployment.

Key compatibility considerations: 5X00 Series modules communicate over the WDPF Data Highway at 5 Mbit/s. Integration with Ovation networks requires the appropriate bridge or gateway modules. Firmware revisions are module-specific; substituting a different revision suffix (e.g., G01 vs. G04) may require configuration validation before installation. Backplane slot assignments are position-dependent in certain chassis configurations.

5X00 Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly sourced modules within the Westinghouse 5X00 Series. Each entry includes a concise functional description for rapid identification.

5X00419G01: Electronics module, analog signal conditioning board for WDPF I/O subsystem.
5X00105G01: Analog input module, 16-channel, 4–20 mA process signal acquisition.
5X00109G01: Analog output module, 8-channel, 4–20 mA current loop drive.
5X00226G02: Digital input module, 32-channel, 24 VDC discrete signal acquisition.
5X00241G02: Digital output module, 16-channel, relay contact closure output.
5X00300G01: Controller processor module, WDPF node CPU with local memory.
5X00357G04: Communication adapter module, WDPF Data Highway interface card.
5X00070G04: Power supply module, 24 VDC regulated output for I/O chassis.
5X00106G01: Analog input module, thermocouple/RTD temperature measurement, 8-channel.
5X00119G01: Pulse input module, frequency and count signal acquisition for turbine/flow applications.
5X00273G01: Redundancy module, hot-standby controller switchover management.
5X00501G01: Serial communications module, RS-232/RS-485 multi-protocol interface.
5X00062G01: Analog input module, high-speed, 8-channel, for fast-response process loops.
5X00121G01: Digital input module, 16-channel, 120 VAC discrete signal acquisition.
5X00489G01: Termination assembly module, field wiring interface for analog I/O marshalling.
5X00196G01: Analog output module, 4-channel, isolated 4–20 mA for critical control loops.
5X00408G01: Diagnostic module, system health monitoring and fault logging for WDPF nodes.

Sourcing Hard-to-Find & Obsolete 5X00 Series Parts

Emerson formally discontinued active manufacturing of the majority of 5X00 Series modules following the full transition to the Ovation platform. Many part numbers are no longer available through OEM channels, placing the sourcing burden on specialist distributors and the secondary market. DriveKNMS operates a dedicated procurement and inventory function for obsolete 5X00 Series modules, with stock sourced from decommissioned plant equipment, verified surplus, and controlled refurbishment programs.

For facilities operating under long-term maintenance agreements or nuclear quality assurance programs, DriveKNMS provides full traceability documentation including country of origin, revision history, and test records. Modules are stored in ESD-controlled environments and shipped with appropriate anti-static packaging. Emergency same-day dispatch is available for critical plant maintenance scenarios.

Quality Control for the 5X00 Series Range

The 5X00 Series backplane bus architecture and proprietary communication protocol require module-specific test procedures that differ from standard PLC I/O validation. DriveKNMS applies the following quality control steps to all 5X00 Series modules prior to dispatch:

Visual inspection of PCB for corrosion, component damage, and solder joint integrity. Functional power-on test using a WDPF-compatible chassis to verify module initialization and self-diagnostic pass. Channel-level signal injection testing for analog I/O modules, verifying linearity and accuracy across the full 4–20 mA range. Communication bus participation test for controller and adapter modules, confirming Data Highway node registration. Firmware revision verification and documentation against the customer's specified revision requirement. Burn-in cycle (minimum 24 hours) for modules destined for nuclear or safety-critical applications.