Description

YOKOGAWA CP451-50 is a high-performance processor module and the core component of YOKOGAWA’s CENTUM VP distributed control system(DCS).As the”brain”of the field control unit(FCU),CP451-50 is responsible for executing complex control logic,processing large amounts of process data,managing communication with field equipment and operator stations,and ensuring real-time monitoring and precise control of the entire industrial process.This module supports Yokogawa Electric’s unique Vnet/IP high-speed control network,providing redundant configuration capabilities,greatly improving the reliability and availability of the system.

CP451-50 is designed to meet the high-performance and high reliability requirements of various industrial applications for control systems,especially suitable for industries with strict requirements for process control accuracy and system stability,such as oil and gas,chemical,power generation,steel,food and beverage,etc.Its design emphasizes efficiency and flexibility,capable of handling complex control algorithms,and supports a wide range of input/output(I/O)options,seamlessly integrating with various sensors,actuators,and other field devices.

technical specifications

Product model:CP451-50

Manufacturer:Yokogawa Electric(YOKOGAWA)

Product Type:Processor Module/CPU Module

Compatible system:YOKOGAWA CENTUM VP DCS(usually compatible with AFV300/AFV400 series FCUs)

Network connection:ESB(ESB Bus Node Unit)/ER(ER Bus Node Unit)or fiber optic ESB

Communication speed:ESB/fiber optic ESB:128 Mbps;ER Bus:10 Mbps

Network topology:Bus topology

Transmission path redundancy:supported

Explosion protection:-50:standard type,no explosion protection function

Operating temperature:0°C to 50°C(depending on the specific configuration and bus node unit used,some I/O units can reach-40°C to 85°C)

Storage temperature:-20°C to 60°C(avoid direct sunlight)

Relative humidity:5%to 95%RH(no condensation)

Continuous vibration:displacement amplitude≤0.25 mm(1-14 Hz),acceleration≤2.0 m/s²(14-100 Hz)

Memory capacity:usually has a large memory capacity,used to store control programs,historical data,and configuration settings

I/O support:capable of supporting a wide range of I/O modules and points,depending on FCU configuration and system version

Power supply:24 VDC(powered through the chassis)

Weight:Approximately 2 kg(approximate)

Main features and advantages

The Yokogawa Electric CP451-50 processor module,as the core of the CENTUM VP DCS,has the following significant features and advantages:

High performance process control:As the central processing unit of FCU,CP451-50 can execute complex control algorithms with high processing speed and powerful computing power,achieving real-time and precise control of industrial processes.It can process large amounts of data,support advanced control strategies,and optimize production efficiency and product quality.

High reliability and redundancy support:CP451-50 supports transmission path redundancy,ensuring the continuity and data integrity of control system communication.In the CENTUM VP system,the FCU itself can also be configured as a redundant mode,further enhancing the availability of the entire system and minimizing downtime caused by single point failures,which is crucial for critical industrial applications.

Vnet/IP high-speed network integration:CP451-50 is connected to the on-site I/O system through ESB or fiber optic ESB bus and integrated into Yokogawa Electric’s high-speed Vnet/IP control network.Vnet/IP provides high-speed and reliable communication,ensuring real-time data exchange between controllers,operation stations,and field devices.

Flexible scalability and I/O support:This processor module can be used in conjunction with various on-site I/O modules(such as ADV151-E,AGP813-S,etc.),supporting a wide range of input/output points.This modular design enables the system to flexibly expand to adapt to industrial applications of different scales and complexities.

Optimization Engineering and Maintenance:As part of the CENTUM VP system,CP451-50 simplifies engineering and maintenance tasks using tools such as Control Drawings.The control chart visualizes the data flow between I/O and functional blocks,and supports a mix of adjustment control and sequential control,improving engineering efficiency and maintainability.

Durable industrial design:CP451-50 is designed for harsh industrial environments,capable of stable operation within specified temperature and humidity ranges,and has certain anti vibration capabilities.Its sturdy structure ensures long-term reliable operation on industrial sites.

application area

The Yokogawa Electric CP451-50 processor module is widely used in various industrial processes and factory automation fields that require high control accuracy,system reliability,and safety.As the core controller of Yokogawa Electric CENTUM VP DCS:

Oil and gas industry:used in refineries,petrochemical plants,natural gas processing plants,and offshore platforms to control complex distillation,reaction,separation,and other processes,ensuring the optimization,safety,and efficiency of production processes.

Chemical industry:In the fields of fine chemicals,basic chemicals,fertilizer production,etc.,it is used to precisely control key parameters such as chemical reactions,temperature,pressure,flow rate,etc.,to ensure product quality and production safety.

Power generation industry:used in thermal power plants,nuclear power plants,and renewable energy generation facilities to control boilers,turbines,generator sets,and auxiliary systems,achieving stable and efficient power production.

Pulp and paper industry:used in pulp production and papermaking processes to control pulp preparation,papermaking,drying,and other processes,improving production efficiency and product quality.

Food and beverage industry:used in large food processing plants and beverage production lines for precise control of ingredients,mixing,fermentation,filling,and other processes to ensure food safety and product consistency.

Steel industry:used to control the production environment of high temperature,high speed,and high pressure in processes such as ironmaking,steelmaking,and rolling,in order to improve production efficiency and product qualification rate.

Related products

The products related to Yokogawa Electric CP451-50 mainly include other core components of the CENTUM VP DCS system:

Yokogawa Electric AFV300/AFV400 series field control unit(FCU):CP451-50 is the core processor module in these FCUs.

Yokogawa Electric ESB Bus Node Unit(ANB10□)or Optical ESB Bus Node Unit(ANB11□):a bus node unit used to connect FCU and on-site I/O modules.

Yokogawa Electric ER Bus Node Unit(ANR10□):Another type of on-site I/O bus node unit.

Yokogawa Electric FIO(Fieldnetwork I/O)system module:various digital input/output(such as ADV151-E)and analog input/output(such as AIP113)modules,connected to the ESB/ER bus.

Yokogawa Electric Human Interface Station:an upper computer system used for operator monitoring and control,communicating with FCU through Vnet/IP network.

Yokogawa Electric Engineering Station(ENG):an engineering tool used for system configuration,programming,and maintenance.

Yokogawa Electric Vnet/IP:Yokogawa Electric’s high-speed control network protocol connects all components of the CENTUM VP system.

Yokogawa Electric ProSafe RS(Safety Instrumented System):In some applications,DCS systems are integrated with SIS systems to achieve higher safety.

Installation and maintenance

Preparation before installation:

Before installing the Yokogawa Motor CP451-50 processor module,it is necessary to carefully consult the Yokogawa Motor CENTUM VP system manual,FCU manual,and installation instructions for the CP451-50 module.Ensure that the installation environment meets the temperature,humidity,vibration,and EMC requirements of the module.Before performing any electrical connection operation,be sure to disconnect all power sources and take appropriate safety measures to prevent accidental power on.Check if the packaging of CP451-50 module is intact and confirm that the model is correct.Carefully insert the module into the designated slot of the FCU,ensuring that the module is fully seated and securely fixed.Strictly follow the instructions in the manual to connect all necessary cables,including ESB/ER bus cables,power cords,and grounding wires.

Maintenance suggestion:

To ensure the long-term stable operation of the Yokogawa CP451-50 processor module and the entire CENTUM VP system,it is recommended to perform regular maintenance:

Regular inspection:Regularly check whether the physical connections of the module are secure,including its insertion status in the FCU and the connection status of all cables.

Environmental cleanliness:Keep the interior of the control cabinet clean and regularly remove dust and pollutants from the surface of the CP451-50 module to ensure good heat dissipation.

Status monitoring:Continuously monitor the running status of the CPU and system health through the LED indicator lights on the FCU and CP451-50,as well as the diagnostic function in the CENTUM VP system software.Once any abnormalities are discovered,the cause should be immediately identified and corrective measures taken.

Software update:According to Yokogawa Electric’s recommendations,regularly check and update the firmware and system software of the controller to obtain the latest features,performance improvements,and security patches.

System diagnosis:Use diagnostic tools in Yokogawa Electric Engineering software to conduct system level health checks,performance analysis,and troubleshooting.

Backup and Recovery:Regularly backup the control program and configuration data of FCU in case the system needs to be restored.All maintenance or replacement operations should be carried out by qualified personnel who have received professional training from Yokogawa Electric.

Product Guarantee

YOKOGAWA provides comprehensive product assurance for the CP451-50 processor module.