ABB PCD235C101 3BHE057901R0101 AC800pec Excitation High Performance Control System

ABB PCD235C101 3BHE057901R0101 AC800pec Excitation High Performance Control System

Technical specifications

Input/output configuration

Digital input: With 16 digital input channels, it can quickly and accurately collect various switch signals on site, such as the start stop status of equipment, limit switch signals, etc., providing real-time and accurate equipment operation status information for the control system.

Analog Input: Equipped with 4 analog input channels, it can convert continuously changing analog signals from sensors, such as temperature, pressure, flow rate, and other physical quantities, into digital signals that can be recognized by the control system. It also has high resolution and low noise characteristics to ensure the accuracy of signal acquisition.

Digital output: Equipped with 12 relay outputs, it can directly drive external loads and control various actuators such as contactors, solenoid valves, etc. Its output contacts have high load capacity and electrical isolation performance, ensuring stable and reliable execution of control instructions.

Analog output: Four analog output channels are used to output continuously changing analog signals, which can accurately control devices such as regulating valves and frequency converters, and achieve precise adjustment of parameters such as flow rate and speed in industrial processes.

Communication capability

Ethernet interface: Supports Ethernet communication protocol, has high-speed data transmission capability, can quickly exchange data with upper computer, other intelligent devices or control systems, facilitates remote monitoring, data sharing and system integration, and meets the needs of equipment interconnection and intercommunication in the Industry 4.0 era.

Serial communication (RS232, RS485): Equipped with both RS232 and RS485 serial communication interfaces, it is compatible with various traditional devices and sensors. It plays an important role in scenarios where communication speed is not high but communication distance and anti-interference ability are required, providing convenience for different types of industrial equipment to access the system.

Power characteristics: Powered by a 24V DC power supply, this power supply specification is widely used in the industrial field and has the characteristics of high stability, easy access, and maintenance. The module is equipped with an efficient power management circuit that can effectively suppress the impact of power fluctuations on the system, ensuring stable operation in complex industrial power environments.

Memory and processing performance

Memory configuration: With 128 kB of RAM for real-time storage and processing of data, it can quickly respond to various data read and write operations during system operation; 512 kB Flash is used to store programs and important data, which will not be lost even after the system loses power, ensuring that the system can quickly recover to normal operation after restarting.

Processing capability: Built in high-performance processor with powerful computing and logic processing capabilities, capable of quickly processing large amounts of input data, executing complex control algorithms, and outputting control instructions in a timely manner, meeting the requirements for real-time and high-precision control in industrial automation production processes.

Environmental adaptability

Working temperature range: It can work stably within the temperature range of -20 ° C to 55 ° C. Whether in cold northern industrial environments or hot southern production workshops, it can ensure the normal operation of the system and adapt to temperature conditions in different regions and industrial scenarios.

Protection level: reaching a certain protection level standard, such as good dust and splash resistance, can effectively resist the erosion of pollutants such as dust and water droplets in industrial environments, ensure the normal operation of electronic components inside the module, and extend the service life of equipment.

Core Features and Advantages

Ultra short cycle time: capable of achieving control cycles as low as 100 μ s, and even handling extremely fast tasks as low as 25ns, while also considering second level tasks for long-term transient operation, meeting control tasks with different speed requirements.

Powerful processing capability: Combining the floating-point computing performance of the CPU with the flexibility and high-speed capability of FPGA, it can efficiently handle complex control algorithms such as model predictive control.

Convenient programming tool: supports multiple programming methods, including using ABB's Control Builder (supporting IEC61131-3 language) for system engineering design, and utilizing MATLAB ®/ Simulink ®  Develop products and controls (automatically generate and download code), and use VHDL to handle extremely fast processes, easily bridging the gap from simulation to implementation.

Comprehensive integration: It can be fully integrated into ABB's System 800xA automation system, achieving seamless integration with the factory control system and ensuring transparent data exchange and control throughout the factory.

Innovative FPGA Applications: Capable of flexibly utilizing FPGA to integrate protocols and application functions into devices without increasing additional processor load.

Optical communication technology: using optical communication to improve communication speed and electromagnetic interference resistance, and achieving potential free connection, eliminating the need for isolated transmitters.

Industrial grade hardware: The hardware has no moving parts, possesses industrial grade reliability, has a long lifecycle, is easy to upgrade, and can adapt to harsh environments.

Modular structure: It can be flexibly adjusted according to the application scale, suitable for large industrial factories, propulsion systems, and small compact products. At the same time, the software provides pre configured packages to adapt to different processing performance and I/O speed requirements.

Software and hardware architecture

Hardware architecture: divided into three performance levels, corresponding to different cycle times, perfectly matched with the three-level software structure. We provide fast I/O systems and slow I/O systems. Fast I/O is connected through fiber optic links, with a data throughput of less than 100 μ s, while slow I/O uses modules from ABB S800 system.

Software architecture: divided into three levels, Level 1 is used for systems engineering to handle slow tasks (with a cycle as low as 1ms); Level 2 is used for product and control development, handling fast tasks (with a cycle time as low as 100 μ s); Level 3 is used for communication and extremely fast logic processing, handling extremely fast tasks (as low as 25ns).

Application scenarios

Traction field: capable of working in a wide temperature range of -40 to+70 ° C and vibration environment that meets traction standards, suitable for compact applications with limited space.

In the field of power generation: In the excitation system, with modular architecture and redundant subsystems, reliability is improved. When the main controller fails, the hot standby second controller can take over the work.

Industrial process: In rolling mills, thickness control solutions developed based on MIMO control concepts can reduce thickness deviation by up to 50% and improve product quality.

Development and Engineering Advantages

Adopting a model-based design process using MathWorks ®  The tool is a single development platform that integrates system simulation, code generation, download, and debugging, reducing time consumption and errors in traditional development processes, shortening development cycles, lowering development and engineering costs, accelerating product launch time, saving manpower and resources in engineering and software development, and improving asset return on investment.

Connectivity and Scalability

Rich communication protocols: Supports multiple native and additional communication protocols, such as Profibus Master DPV1, Modbus RTU, MMS, Profinet I/O, etc., to ensure connectivity with various devices and systems.

Flexible I/O configuration: Fast and slow I/O can be configured according to project requirements. Fast I/O is connected through fiber optic links and has advantages such as high speed, electromagnetic interference resistance, and potential free connection; Slow I/O can add modules to ABB S800 system.

**Scalability * *: Hardware can be expanded from compact configurations to large modular systems, and software provides pre configured packages to adapt to different processing performance and I/O speed requirements, meeting various application scales.