CP461-51 Yokogawa Central Processing Unit

CP461-51 Yokogawa CENTUM VP CS3000 Controller Processor

CP461-51 Yokogawa CENTUM VP CS3000 Controller Processor

Availability: 99 left in stock

Yokogawa CP461-51 CENTUM VP / CS 3000 Processor The Yokogawa CP461-51, also cataloged as the CP461 Processor Module, operates as...

SKU: CP461-51

Manufacturer: Yokogawa
Product No.: CP461-51
Product Type: CPU Processors
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 750g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa CP461-51 CENTUM VP / CS 3000 Processor

The Yokogawa CP461-51, also cataloged as the CP461 Processor Module, operates as a dedicated hardware component for complex control logic execution within CENTUM VP / CS 3000 Field Control Stations (FCS).

Hardware Specifications

Parameter	Specification
Model	CP461-51
Brand	Yokogawa
Origin	Japan
Weight	0.75 kg
Dimensions	199.5 mm x 145 mm x 16.4 mm
Operating Temp	0 to +60 deg C
Power Consumption	Technical data not specified
Hardware Style	Style S2
Architecture	32-bit RISC / 400 MHz
Memory Capacity	128 MB SDRAM / 512 MB Flash
Environmental Protection	ISA Standard G3 Conformal Coating
Redundancy Support	Dual-Redundant (Duplex) Operation
Network Interfaces	Vnet/IP and ESB Bus Support
Memory Backup	Battery-backed RAM (Retention up to 72 hours)

Process Control & DCS Instrumentation Properties

Operating within the Yokogawa distributed control system architecture, this execution unit implements dual-redundant (duplex) processor configurations to enforce real-time data synchronization. The physical board layer relies on 4-20 mA HART loop protocol translation parameters handled downstream via the ESB bus and features factory-applied ISA Standard G3 conformal coating to block moisture and acidic atmospheric particulates. The unit establishes channel-to-channel isolation boundary parameters throughout its local bus interfaces, mitigating electrical fault migration and ensuring constant communication throughput across the Vnet/IP deterministic network.

Frequently Asked Questions

Q: How does the CP461-51 processor handle memory retention during a total power outage?

A: The processor incorporates an onboard battery-backed RAM sub-circuit that retains critical runtime data, user logic states, and system registers for a maximum duration of up to 72 hours under dead-bus conditions.

Q: Can a single CP461-51 module operate in a non-redundant (simplex) configuration?

A: Yes. While the hardware natively supports dual-redundant pairing on the FCS backplane for high-availability requirements, it can function as a standalone processor in simplex topologies.

Q: What specific protection does the Style S2 hardware configuration provide?

A: The Style S2 variation specifies a modified physical heat sink orientation for thermal management alongside a complete G3-rated chemical coating to resist degradation from hydrogen sulfide and sulfur dioxide gases.

Field Installation Guidelines

Install the CP461-51 module directly into the dedicated CPU slots of the corresponding Yokogawa Field Control Station backplane. Ensure the slot alignment guides match the module physical footprint precisely before applying locking pressure. Prior to mounting a redundant pair, verify that both units share identical firmware revisions and style classifications to prevent synchronization failures over the Vnet/IP link. All field-side cables routed to auxiliary I/O cards communicating with the CPU through the ESB bus must implement shielded twisted-pair parameters, with shield drain wires terminated at a single instrument ground bus terminal to suppress industrial noise induction.

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