Description
Product Description
The CP451-11 serves as a core processing engine for the Yokogawa Centum VP Distributed Control System (DCS). While this specific revision has reached its end-of-life phase and is succeeded by the CP451-51, it remains a critical component for maintaining legacy infrastructure and ensuring system continuity in established industrial environments.
This module is engineered for high-availability control logic execution, managing complex regulatory and sequence control tasks with precision. It features a robust dual-core architecture that segregates system tasks from control execution to maintain stability even under high load conditions.
Technical Specifications
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Brand: Yokogawa
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Model: CP451-11
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System Compatibility: Centum VP (Vnet/IP)
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Architecture: Dual-core processor for redundant task management
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Memory: High-capacity ECC RAM for data integrity and large-scale control logic storage
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Interface: Vnet/IP communication port support
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Width: 32 mm
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Height: 145 mm
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Depth: 200 mm
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Weight: 0.74 kg
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Input Voltage: 5V DC (supplied via backplane)
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Current Consumption: 2.0 A maximum
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Operating Temperature: 0 to 50 degrees Celsius
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Humidity Range: 10 to 90 percent RH (non-condensing)
Legacy Support and Migration
As the CP451-11 is no longer in active production, it is primarily utilized as a direct replacement part for existing field stations. For new installations or system upgrades, the CP451-51 is the recommended functional equivalent, offering improved processing efficiency while maintaining backward compatibility with existing Vnet/IP bus structures and I/O module nests.
Common Applications
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Oil and Gas refinery process control
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Chemical plant sequence management
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Power generation facility monitoring
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Replacement of aging Centum VP field control station components
Product Comparison
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CP451-11: Original dual-core processor module; standard for earlier Centum VP releases.
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CP451-51: Current production model; enhanced security features and optimized heat dissipation; fully interchangeable with the CP451-11
