Emerson 5X00875G01 Control Processor (CPU Module)
The Emerson 5X00875G01 is a high-availability control processor (CPU module) belonging to the Ovation OCR3000 series, designed for mission-critical Distributed Control System (DCS) applications. It integrates a 64-bit quad-core processor, 4GB DDR4 ECC memory, and an I/O interface unit into a single compact module, serving as the core controller for Emerson’s Ovation™ DCS platform.

Core Purposes:
- Executes high-speed control loops (as fast as 200μs) for complex process automation.
- Manages up to 16 local I/O branches in parallel, boosting system throughput.
- Ensures triple modular redundancy (TMR) for 99.9999% system availability.
- Facilitates seamless communication between the DCS and field devices/sensors.
- Handles real-time data processing, logic control, and system diagnostics in harsh industrial environments.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 5X00875G01 (OCR3000 Controller) |
| Brand/Series | Emerson / Ovation DCS |
| Processor | 64-bit Quad-core CPU |
| Memory | 4GB DDR4 ECC RAM |
| I/O Capacity | Up to 16 local I/O branches |
| Control Loop Speed | 200μs (minimum) |
| Redundancy | Triple Modular Redundancy (TMR) |
| Power Supply | 24V DC (±10%) / 120/240V AC |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +70°C |
| Dimensions (H × W × D) | 150 mm × 100 mm × 30 mm (5.9″ × 3.9″ × 1.2″) |
| Weight | Approx. 0.68 kg (1.5 lb) |
| Mounting | Standard DIN rail / Panel mount |
| Compatibility | Ovation DCS, OCR1100 controller systems |
| Protocols | TCP/IP, Modbus RTU/TCP, FIP, Ovation Fieldbus |


Typical Applications
The 5X00875G01 is deployed in large-scale process industries requiring ultra-high reliability and precision control:
- Power Generation: Ultra-supercritical coal-fired power plants, hydroelectric plants, and combined-cycle power stations.
- Oil & Gas: Refineries, natural gas processing plants, and offshore platforms.
- Chemical & Petrochemical: Complex chemical plants, fertilizer facilities, and polymer manufacturing.
- Water Treatment: Large municipal wastewater plants, desalination projects, and industrial water systems.
- Metallurgy: Steel mills, aluminum smelters, and metal processing plants.
Similar Series Products (Emerson Ovation DCS Family)
- 5X00419G02 – Ethernet Link Controller: Provides high-speed (100 Mbps) redundant Ethernet connectivity between Ovation DCS and external networks.
- 5X00106G02 – HART Analog Input Module: 8-channel high-resolution analog input module supporting HART protocol for smart sensor integration.
- 5X00846G01 – Discrete Input Module: 16-channel digital input module for monitoring on/off field devices in Ovation systems。












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