Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | CP451-51 |
| Product Type | Processor Module |
| Compatible Platforms | AFV300 / AFV400 Field Control Units |
| System | Yokogawa CENTUM VP |
| Suffix -5 | Standard type, no explosion protection |
| Suffix -1 | With ISA Standard G3 option (conformal coating) |
| Redundancy Support | Single or dual-redundant configuration |
| Predecessor | CP451-11 |
| Typical Weight | Approx. 1.0–1.2 kg |
| Primary Role | Executes control logic and manages I/O for FCS |
4. Product Introduction (Anti-Template)
The Yokogawa CP451-51 is a processor module designed for the AFV300 and AFV400 Field Control Units in the CENTUM VP distributed control system. It serves as the central computing element of the Field Control Station (FCS), executing control strategies, handling I/O data, and maintaining real-time communication over the control network.
The “-51” suffix indicates the standard (non-explosion-protected) version equipped with the ISA Standard G3 option, which provides enhanced resistance to corrosive gases commonly found in chemical, pulp & paper, and similar environments. The module supports both single and dual-redundant configurations for high availability. It is the designated successor to the earlier CP451-11 and is used as a direct replacement in existing AFV300/AFV400 installations. Correct firmware and system configuration are required for proper operation within the CENTUM VP architecture.
CP451-51
CP451-51
CP451-51
CP451-51
5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm full model number (CP451-51), any revision or firmware labels, connector condition, and presence of G3 marking if applicable. Photograph all identifiers.
- Functional Testing – Install in a compatible AFV300 or AFV400 chassis where possible, apply power, and verify basic status indicators and network presence.
- QA & Packaging – Protect backplane connectors and the module housing, clean according to electronics handling practices, and pack in anti-static protective packaging.
- Global Logistics & Export Compliance – Classify under the correct HS code for industrial process control modules. Packaging must protect against electrostatic discharge and mechanical shock; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Platform Compatibility – The CP451-51 is specific to AFV300 and AFV400 Field Control Units. It is not interchangeable with processors used in other CENTUM or ProSafe-RS platforms.
Firmware Matching – Ensure the module firmware is compatible with the installed CENTUM VP system version. Mismatched firmware can prevent startup or proper redundancy.
G3 Environmental Option – The “-1” suffix provides ISA G3 conformal coating. Confirm whether the existing installation requires this protection level.
Redundancy Configuration – When used in a dual-redundant pair, both processors must be correctly configured and synchronized according to Yokogawa procedures.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified CP451-51?
As a specialized CENTUM VP processor module, availability depends on surplus stock. Typical lead time after verification is 5–15 business days plus standard shipping.
What is the function of the CP451-51?
It is the processor module (CPU) for AFV300 and AFV400 Field Control Units in the Yokogawa CENTUM VP system.
What does the “-51” suffix mean?
Standard type (no explosion protection) with ISA Standard G3 environmental option.
Is it a direct replacement for the CP451-11?
Yes. The is the official successor to the CP451-11.
Does it support redundancy?
Yes. It can be used in single or dual-redundant configurations.
Is the module still in production?
It remains available for existing CENTUM VP / installations. Newer systems may use updated processor generations.
What should be confirmed before ordering a replacement?
Exact model number (), required firmware version, or compatibility, and whether the G3 environmental option is needed for the installation site.
