Westinghouse Ovation Modules

Technical Dossier

Product Details And Specifications

Westinghouse Ovation Series: Comprehensive Module Range and Technical Overview

The Westinghouse Ovation Distributed Control System (DCS) is one of the most widely deployed process automation platforms in global heavy industry. Originally developed by Westinghouse Process Control and subsequently maintained under Emerson Electric following the 2000 acquisition, the Ovation platform holds a dominant installed base in nuclear power generation, fossil fuel power plants, chemical processing facilities, and oil refineries. Its modular 5X00-series and 1C31-series hardware architecture has been in continuous industrial service since the early 1990s, making it a critical infrastructure component at hundreds of facilities worldwide. The platform's redundancy architecture, deterministic I/O scanning, and plant-wide historian integration make it the reference standard for safety-critical process control environments.

The Evolution of Ovation Architecture

The Ovation DCS architecture has progressed through three distinct hardware generations since its commercial introduction. The first generation (early 1990s) established the proprietary Ovation Network (OCN) bus topology, with dedicated controller nodes communicating over a dual-redundant coaxial backbone. I/O modules in this era used the 1C31-series form factor, characterized by a 32-point density per module and a parallel backplane interface.

The second generation (late 1990s–2005) introduced the 5X00-series module family, transitioning to a high-speed serial backplane and expanding the I/O density options. This generation added support for HART field device communication, redundant controller configurations (5X00070G01/G04 pairs), and expanded analog I/O resolution to 16-bit. The 5X00109G01 Input Module belongs to this generation, providing multi-channel analog input acquisition with configurable signal conditioning.

The third generation (2006–present) introduced Ethernet-based I/O drops, OPC-UA data publishing, and compatibility with modern cybersecurity frameworks (IEC 62443). Legacy 5X00 and 1C31 modules remain fully supported in third-generation drop assemblies via the Ovation Remote I/O (ORIO) interface, ensuring backward compatibility across mixed-generation installations. Plants operating first- and second-generation hardware face increasing obsolescence risk as Emerson has formally discontinued manufacturing for select 1C31-series modules, shifting support to long-term spare parts programs.

Ovation Full Catalog & Functionalities (SKU List)

The following catalog covers verified Westinghouse Ovation module part numbers organized by functional category. Each entry reflects the module's primary role within an Ovation drop assembly.

Controllers & Processors

• 5X00070G01: Ovation Controller Module, primary node processor for drop control execution
• 5X00070G04: Ovation Controller Module (redundant pair), hot-standby failover configuration
• 5X00105G01: Ovation Enhanced Controller, increased scan rate and expanded memory capacity

Analog Input Modules

• 5X00109G01: Analog Input Module, multi-channel 4–20 mA / voltage input with 16-bit resolution
• 5X00106G01: Analog Input Module, thermocouple and RTD signal types, cold-junction compensated
• 5X00119G01: High-Density Analog Input Module, 32-channel configuration for large-scale process monitoring
• 1C31227G01: Analog Input Module (1C31-series), 16-channel differential input, legacy backplane interface
• 1C31234G01: Analog Input Module (1C31-series), 8-channel isolated input, high-impedance signal conditioning

Analog Output Modules

• 5X00226G01: Analog Output Module, 8-channel 4–20 mA current output, loop-powered
• 5X00241G02: Analog Output Module, 16-channel voltage output, ±10 V range
• 1C31169G01: Analog Output Module (1C31-series), 8-channel isolated current output

Digital Input Modules

• 5X00273G01: Digital Input Module, 32-channel 24 VDC discrete input, optically isolated
• 1C31189G01: Digital Input Module (1C31-series), 16-channel 120 VAC/VDC input
• 1C31238H01: Digital Input Module (1C31-series), 32-channel 24 VDC, high-speed scan

Digital Output Modules

• 5X00300G01: Digital Output Module, 16-channel relay output, Form C contacts, 2 A rated
• 5X00301G01: Digital Output Module, 32-channel solid-state 24 VDC output, current-sourcing

Communication & Network Adapters

• 5X00545G01: Ovation Network Interface Module, dual-port Ethernet drop communication adapter
• 5X00560G01: Serial Communication Module, RS-232/RS-485 multi-protocol gateway

Sourcing Hard-to-Find & Obsolete Ovation Parts

DriveKNMS maintains a dedicated inventory program for Westinghouse Ovation modules across both the 5X00-series and 1C31-series product families. As Emerson has formally ended manufacturing for a significant portion of the 1C31-series catalog and placed several 5X00-series modules on last-time-buy status, the secondary market has become the primary sourcing channel for plants operating legacy Ovation drops.

DriveKNMS sources Ovation modules through decommissioned plant asset recovery, authorized distributor excess inventory, and direct manufacturer surplus channels. All units are cataloged by part number, revision suffix (G01, G02, H01, etc.), and firmware version where applicable. For critical spares such as the 5X00070G01 controller and 5X00109G01 input module, DriveKNMS maintains buffer stock to support emergency plant outage scenarios with same-week dispatch capability.

Plants requiring long-term maintenance agreements for Ovation hardware are encouraged to contact DriveKNMS to discuss consignment stocking arrangements, which provide guaranteed availability for defined module lists over multi-year maintenance windows.

Quality Control for the Ovation Range

Ovation modules present specific test challenges due to their proprietary backplane communication protocol and the absence of publicly available diagnostic firmware. DriveKNMS employs a dedicated Ovation test bench replicating a functional drop assembly, including a live controller node, power supply module, and backplane chassis, to validate module communication integrity prior to shipment.

Each module undergoes the following verification sequence: visual inspection for backplane connector pin condition and PCB contamination; powered functional test confirming module enumeration on the Ovation network; channel-level signal injection for I/O modules (analog channels tested at 0%, 50%, and 100% of rated input range; digital channels tested for correct state reporting); and thermal soak at operating temperature for a minimum of two hours to screen latent component failures. Modules that pass all stages are issued a DriveKNMS test certificate and shipped with ESD-protective packaging.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.