Product Short Description
Product Name: Emerson Ovation Redundancy Interface Module
Product Brief: System redundancy switching interface module for Ovation DCS, realizes automatic switching between main and backup controllers and I/O modules, improves overall system reliability for critical control loops.
Description
- Redundancy Mode: 1:1 hot redundancy
- Switching Time: ≤ 10 ms (automatic switching)
- Operating Voltage: 24 VDC ±10%
- Operating Temperature Range: 0 °C to +60 °C
- Storage Temperature Range: -40 °C to +85 °C
- Relative Humidity: 5% ~ 95% non-condensing
Functional Features:
- Real-time data synchronization between main and backup units
- Fault automatic detection and non-disturbance switching
- Manual switching function supported
- Redundancy status LED indication
- System running state monitoring
- Hot-swappable for online maintenance
Performance Parameters:
- Data Synchronization Speed: 512 kbps
- Switching Underrun: No signal interruption during switching
- Isolation Voltage: 1500 VAC internal circuit isolation
- Continuous Operation Time: 100,000 hours MTBF
Material Composition:
- Housing: High-strength flame-retardant ABS plastic
- Main Circuit Board: High-reliability FR-4 multilayer PCB
- Logic Chip: Industrial grade high-reliability FPGA chip
- Connector: Gold-plated high-reliability bus connector
Structural Characteristics:
- Standard 3U rack-mount structure
- Front panel with redundancy state, main/backup and fault indicators
- Dual backplane bus interfaces for main and backup system connection
- Reinforced mechanical structure for long-term stable operation
Working Principle:
The module monitors the operating state and data of main controller and backup controller in real time, keeps data of two units fully synchronized. When the main unit fails, the module completes non-disturbance switching to backup unit within 10 ms, and sends fault alarm signal to upper monitoring system.
Advantages & Highlights:
- Ultra-fast switching speed ensures no interruption of critical control loop
- Real-time data synchronization guarantees consistent state before and after switching
- High MTBF value for long-term unattended operation
- Manual switching function facilitates system maintenance and test
Applicable Industries: Critical control system of thermal power, nuclear power, large chemical plant, continuous production process industry
Model Series: Emerson Ovation System Redundancy Module Series
Installation Requirements:
- Install in dedicated redundancy rack of Ovation DCS
- Connect main and backup backplane bus strictly according to marking
- Ensure reliable power supply for the module
- No high-power equipment adjacent to the module
Usage Notes:
- Conduct redundancy switching test periodically
- Do not disconnect any bus cable during system running
- Replace module timely once fault indicator lights up
- Keep installation environment clean and dry
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