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The Yokogawa CP461-51 is a high-performance processor module engineered for the CENTUM VP distributed control system (DCS). It is the successor to the widely used CP461-50 series and features advanced processing speed, improved system communication, and enhanced fault tolerance. As the main logic controller in a control station, the CP461-51 plays a vital role in executing control strategies, interfacing with I/O modules, and maintaining reliable network communication with other subsystems via Vnet/IP.
This module is designed with mission-critical process automation in mind, supporting dual-redundant configurations and hot-swappable capabilities. The CP461-51 provides intelligent diagnostics and robust system integrity, making it the preferred choice for demanding control environments such as oil and gas, power generation, and heavy industry.
Parameter | Specification |
---|---|
Model | CP461-51 |
Function | Processor module for CENTUM VP DCS |
Dimensions | 152 x 51 x 203 mm |
Weight | 0.7 kg |
System Compatibility | CENTUM VP system |
Communication Protocol | Dual-redundant Vnet/IP Ethernet |
Power Supply | 24 VDC (±20%) |
Execution Cycle | ≤ 50 ms (typical control cycle) |
Redundancy Support | CPU, power, and network redundancy supported |
Memory | Integrated high-speed SRAM and DRAM |
Mounting Type | Panel or DIN rail mounting |
Hot Swap Capability | Yes |
Operating Temperature | -5°C to +60°C |
Storage Temperature | -25°C to +70°C |
Status Indication | LED indicators for diagnostics |
Compatibility | Compatible with I/O modules and controllers via Vnet/IP |
Diagnostic Features | Internal watchdog, self-checking diagnostics |
The CP461-51 processor module is purpose-built for critical and large-scale industrial process control systems. It is especially suited for:
Petrochemical and chemical refining plants
Oil and gas production platforms
Thermal, nuclear, and hydroelectric power stations
Pulp and paper production facilities
Water and wastewater treatment plants
Steel, cement, and mining industries
Pharmaceutical and food processing plants
Its reliable and deterministic behavior makes it an ideal controller for batch processing, continuous manufacturing, and hybrid systems.
Enhanced Performance: Improved execution speed and memory architecture allow for faster control cycles and efficient data processing.
Reliable Redundancy: Offers CPU, power supply, and network redundancy to ensure uninterrupted plant operation.
Seamless Integration: Designed specifically for CENTUM VP architecture, enabling direct integration with I/O modules, HMI, and other system components.
Space-Saving Design: Compact size allows for easy installation in tight control cabinets without compromising performance.
High Reliability: Equipped with self-diagnostics, watchdog timers, and robust construction for long-term industrial use.
Hot Swapping Support: The processor can be replaced during operation without system downtime, reducing maintenance disruptions.
Low Power Consumption: Operates on 24V DC with minimal energy draw, contributing to reduced operational costs.
User-Friendly Maintenance: LED indicators and remote diagnostics simplify status monitoring and troubleshooting.
Yokogawa Electric Corporation, headquartered in Tokyo, Japan, is a global leader in industrial automation, test and measurement, and process control systems. Founded in 1915, Yokogawa has built a legacy of innovation and reliability. The CENTUM VP system is the company’s flagship DCS platform, delivering exceptional performance, security, and integration capabilities for process industries worldwide. With operations in more than 80 countries, Yokogawa is trusted by leading global enterprises.
Model | Description | Dimensions (mm) | Weight |
---|---|---|---|
CP461-50-S2 | Enhanced version of CP461-50 with dual redundancy support | 152 x 51 x 203 | 0.7 kg |
CP471-10 | High-speed processor module for high-load applications | 152 x 51 x 203 | 0.7 kg |
CP401-50 | Compact CPU for mid-range process applications | 152 x 51 x 203 | 0.7 kg |
CP440-50 | Standard CPU with Vnet/IP compatibility | 152 x 51 x 203 | 0.7 kg |
CP451-10 | Base-level processor module with essential features | 152 x 51 x 203 | 0.7 kg |
CP460-50 | Legacy version compatible with existing CENTUM installations | 152 x 51 x 203 | 0.7 kg |
Model | Description | Dimensions (mm) | Weight |
---|---|---|---|
ANT502-5F | High-speed communication module for Vnet/IP systems | 130 x 65 x 120 | 0.6 kg |
AAT145-S00 | High-accuracy analog output module | 152 x 51 x 203 | 0.7 kg |
AFF401-S00 | Foundation Fieldbus interface module | 130 x 65 x 120 | 0.65 kg |
ADV151-P03 | Digital I/O module supporting fast signal switching | 152 x 51 x 203 | 0.7 kg |
ANB10D-420 | Remote I/O node interface module for Vnet/IP | 140 x 60 x 130 | 0.68 kg |
AVR10D-S01 | Redundant analog output module for SIS applications | 152 x 51 x 203 | 0.7 kg |
Q1: What is the role of the CP461-51 in a CENTUM VP system?
A1: It acts as the main processor for logic execution, I/O control, and communication within a CENTUM VP distributed control system.
Q2: Does the CP461-51 support redundancy features?
A2: Yes, it supports full redundancy for CPU, power supply, and network communications, ensuring high availability and fault tolerance.
Q3: Can the CP461-51 be used in older CENTUM CS3000 systems?
A3: No, it is specifically designed for use with CENTUM VP systems and is not backward-compatible with CS3000.
Q4: What is the typical execution cycle of this processor module?
A4: The CP461-51 delivers a fast execution cycle, typically less than 50 milliseconds, enabling real-time process control.
Q5: Is it possible to hot-swap the CP461-51 during system operation?
A5: Yes, the module supports hot swapping, allowing for replacement without system shutdown.
Q6: How is system status communicated to maintenance personnel?
A6: LED indicators and centralized system diagnostics help operators quickly identify and respond to any issues.
Q7: What industries benefit most from using the CP461-51?
A7: It’s ideal for industries such as oil and gas, power generation, water treatment, and chemicals where reliability is critical.
Q8: What power source is required for the CP461-51?
A8: The processor module requires 24 VDC input, with a tolerance range of ±20%.
Q9: How does the CP461-51 communicate with other devices?
A9: It uses dual-redundant Vnet/IP Ethernet for secure and fast system communication with I/O and HMI devices.
Q10: What maintenance features are built into the CP461-51?
A10: It includes self-diagnostics, watchdog timers, and LED indicators for proactive maintenance and troubleshooting.
Smarter Process Control Starts with CP461-51
Unleash the next level of automation performance with Yokogawa’s CP461-51 processor. Engineered for speed, built for reliability.
Control with Confidence
With full redundancy, real-time diagnostics, and high-speed performance, the CP461-51 gives you complete confidence in every control task.
Reliability in Every Rack
No compromises. The CP461-51 delivers seamless integration and uninterrupted operation, even in the harshest industrial conditions.
Upgrade Your Control Strategy
Step into the future of process automation with the CP461-51. Faster logic, safer systems, and smarter control—backed by Yokogawa's trusted quality.