The OCR1100 is a high-performance redundant controller for Emerson's Ovation DCS system, designed for critical industrial applications such as power generation and water treatment. Its key features include seamless redundancy switching, millisecond-level control, and highly reliable fanless operation.

I. Model and Hardware Identification

Model: OCR1100

Hardware Part Number: 5X00481G04 / 5X00226G04 (Processor + I/O Interface Combination)

Series Positioning: Ovation DCS core control unit, replacing the earlier OCR100 series

Certifications: IEC 61131-3, Achilles Level 1 (Network Security)

II. Core Hardware Parameters

Processor: Intel Atom Z510, 1.1GHz

Memory: 256MB DRAM (expandable to 1GB)

Storage: 128MB non-volatile flash memory (stores program, point tables, and configuration)

I/O Capabilities: Up to 32,000 control/status points

Supports local/remote Ovation I/O, WDPF I/O compatible

Virtual I/O: Connects to third-party OEM systems via Ethernet

Communication: Redundant Ovation Network Interface (Dual Network)

Physical Characteristics:

Fanless, low power consumption, compact design

Operating Temperature: -40°C to +70°C

Dimensions: Approx. 8×6×5 in; Weight: Approx. 4 lbs

III. Control Performance and Functions

1. Control Tasks

Up to 5 parallel control tasks

Control Cycle: Ovation 3.7+ supports 10ms to 300s customizable (10ms step size)

Supports: PID regulation, logic control, sequential control, advanced algorithms

2. Redundancy and Reliability

1+1 redundancy architecture, bumpless automatic failover

Switching Time: < 100ms, does not affect control output

Built-in 1ms resolution SOE (Event Sequence Recorder)

Power-on self-test + online diagnostics, real-time fault reporting

3. Data and I/O

One-step I/O database configuration

Supports analog, digital, pulse, and smart meter access

Compatible with all Ovation I/O series Modules (AI/AO/DI/DO/PI, etc.)

IV. System Architecture and Supporting Systems

Redundancy Configuration: Primary/backup OCR1100 deployed in pairs, sharing I/O and network

I/O Branches: Supports multi-branch local/remote I/O expansion

Host Systems: Ovation Operator Station, Engineering Studio

Software: Ovation 3.6+, Control Builder (IEC 61131-3 programming)

V. Typical Application Scenarios

Power Generation: Steam turbine units, boilers, auxiliary systems, power grid control

Water Treatment: Water plants, wastewater treatment plants, pump station automation

Petrochemical Industry: Process control, safety interlocks, compressor control

Others: Key DCS scenarios such as metallurgy, papermaking, and nuclear power auxiliary systems

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