Emerson Ovation Modules: 1X01046H01L Power Supply & Full Series

Technical Dossier

Product Details And Specifications

Emerson Ovation Series Technical Notes

The Emerson Ovation Distributed Control System (DCS) is one of the most widely deployed process automation platforms in global heavy industry. Installed across fossil-fuel power generation, nuclear power stations, petrochemical refineries, and chemical processing facilities, the Ovation platform has accumulated a multi-decade installed base that spans hundreds of sites across North America, Europe, and Asia-Pacific. Its modular I/O architecture, deterministic real-time control, and redundant backplane design make it a reference standard for high-availability continuous process control. The 1X01046H01L Power Supply Module is a core infrastructure component within this ecosystem, providing regulated DC power distribution to Ovation controller and I/O drop assemblies.

The Evolution of Ovation Architecture

The Ovation platform originated from Westinghouse Electric's WDPF (Westinghouse Distributed Processing Family) system, introduced in the 1980s. Following Emerson Electric's acquisition of Westinghouse Process Control in 1998, the platform was rebranded and re-engineered under the Ovation name, retaining backward compatibility with legacy WDPF I/O hardware to protect customer investments. The architecture evolved through three distinct generations. The first generation (Ovation 1.x) used proprietary backplane buses and dedicated controller cards with limited Ethernet integration. The second generation (Ovation 2.x and 3.x) introduced dual-redundant Ethernet-based OCR400 and OCR1100 controllers, expanded I/O density, and IEC 61850 substation automation compatibility. The current generation (Ovation 3.5+) supports virtualized operator workstations, cybersecurity hardening per NERC CIP standards, and integration with Emerson's PlantWeb digital ecosystem. Compatibility between generations is managed through the Ovation Developer Studio engineering environment, though hardware cross-generation substitution requires careful backplane and power budget verification. Many sites operating first- and second-generation hardware face end-of-life (EOL) and end-of-service-life (EOSL) designations, making third-party spare parts sourcing a critical operational requirement.

Ovation Full Catalog & Functionalities (SKU List)

Power Supply Modules

• 1X01046H01L: 24VDC regulated power supply module for Ovation I/O drop assemblies; primary infrastructure component.
• 1X00024H01: Redundant power supply module; supports hot-swap replacement in live controller drops.
• 1X00024H02: Enhanced redundant power supply; higher output current rating for expanded I/O configurations.
• 5X00119G01: Power distribution module; distributes regulated power across multi-drop backplane assemblies.

Controller Modules (CPU)

• 1X00210H01: OCR400 Ovation Controller; dual-redundant Ethernet, real-time deterministic control kernel.
• 5X00070G01: OCR1100 Advanced Controller Module; expanded memory, faster scan rates, supports virtualization interface.
• 1C31227G01: Ovation Slave Controller Module; manages distributed I/O drops in large-scale configurations.
• 1C31116G01: Ovation Master Controller; coordinates multi-drop I/O and inter-controller communication.

Analog Input (AI) Modules

• 1C31129G01: 16-channel analog input module; 4–20mA, ±10V, configurable per channel.
• 1C31113G01: 8-channel high-speed analog input; supports thermocouple and RTD direct wiring.
• 5X00106G01: Analog input module with HART pass-through; compatible with HART 5/6/7 field devices.
• 1C31234G01: Isolated analog input module; galvanic isolation per channel for high-noise environments.

Digital Input (DI) Modules

• 1C31110G01: 32-channel 24VDC digital input module; standard logic-level field wiring.
• 1C31122G01: 16-channel 120VAC digital input module; direct AC field device interface.
• 5X00095G01: High-density digital input module; 64-channel configuration for large I/O count applications.

Digital Output (DO) Modules

• 1C31129G02: 16-channel relay output module; Form C contacts, 2A per channel.
• 1C31110G02: 32-channel 24VDC digital output; solid-state transistor outputs, short-circuit protected.

Communication & Network Modules

• 1X00672H01: Ovation Network Interface Module; dual-port Ethernet, managed switch functionality for drop-level networking.
• 5X00300G01: Modbus TCP/RTU gateway module; bridges Ovation backplane to third-party Modbus devices.
• 1C31166G01: PROFIBUS DP master module; interfaces Ovation controller to PROFIBUS field device networks.