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Yokogawa CP461 Processor Module

Yokogawa CP461 Processor Module

Technical Overview

The CP461 is a high-reliability central processing module engineered for Yokogawa Field Control Units, specifically the AFV300 and AFV400 series. Serving as the primary logic execution engine, this module is designed to manage complex control algorithms and high-speed...

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SKU: CP461
Vendor: Yokogawa
Category: Processor Module
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Technical Overview

The CP461 is a high-reliability central processing module engineered for Yokogawa Field Control Units, specifically the AFV300 and AFV400 series. Serving as the primary logic execution engine, this module is designed to manage complex control algorithms and high-speed data communication within the CENTUM VP Distributed Control System (DCS).

The CP461 is the functional successor to the legacy CP461-10, offering a modernized hardware platform while maintaining full backward compatibility with existing Field Control Station backplanes.

Technical Specifications

Specification Details
Model Series CP461
Hardware Compatibility AFV300 / AFV400 Controller Racks
Legacy Support Replacement for CP461-10
Configuration Support Dual-redundant capable
Protection Rating Standard type (Suffix Code 5), non-explosion proof
Architecture Basic type (Suffix Code 0)
Expansion Capacity Up to 8 non-standard I/O modules per node
Physical Dimensions 15.2 cm × 5.1 cm × 20.3 cm
Unit Weight 0.7 kg

System Redundancy and Reliability

The CP461 is designed for mission-critical applications where continuous operation is essential. In a dual-redundant configuration, two modules operate in parallel, with the secondary unit maintaining a mirrored copy of memory and control logic.

In the event of a failure:

  • The system performs a seamless switchover

  • No interruption to control signals occurs

  • Process stability is maintained

This level of robustness makes the CP461 ideal for industries such as oil & gas, chemical processing, and power generation operating within the CENTUM VP ecosystem.

Frequently Asked Questions

Q: Is the CP461 compatible with Vnet/IP communication?
A: Yes, when installed in an appropriate AFV-series control unit, the CP461 interfaces with Yokogawa Vnet/IP networks, ensuring high-speed and synchronized data exchange.

Q: Can I mix a CP461 with an older CP461-10 in a redundant pair?
A: While the CP461 is designed as a replacement for the CP461-10, it is recommended to use identical modules in redundant configurations to ensure optimal synchronization and system stability.