AC 800PEC The high-performance control system for high power rectifier applications
High-performance applications with extremely fast control algorithms– cycle times that range from 100 μs (microseconds) for fast control loops to seconds for long-term operational transients – require specialized control devices.
That is why we have designed the AC 800PEC,extending the capabilities of ABB’s well-known automation technology to handle the high-speed algorithms of processes such as power electronic applications.Can you imagine a process cycle time of under 100 μs? We can – and we’ve built a new-generation AC 800PEC controller to achieve it.Taking the technology a step further it is a dualcore processor unit that combines these highspeed controls with the low-speed process control tasks usually carried out by separate PLC (programmable logic controller) units. Embedded into a robust and flexible system structure with integrated standard communication, the AC 800PEC is unique in the field of industrial process controllers. The AC 800PEC is the ultimate approach for high demands.
The AC 800PEC has a unique combination offeatures for demanding applications:
• Short cycle times, down to 100 μs
• High processing power
• Fast communication and I/O via optical links
• Programming tools:
– System engineering with IEC61131-3 languages using ABB’s Control Builder, both Compact and Professional versions available
– Product and control development using MATLAB®/Simulink® for model-based design, easily bridging the gap from simulation to implementation
• Full integration into ABB Ability™ System 800xA
• Innovative and flexible use of FPGAs to include protocols and application functionality in the devices without creating additional processor load
• Optical communication
• Industrial grade hardware with no moving parts
• Long life cycle, easy upgrading
• Robust reliance file system, insusceptible post power loss
Built to control power in Process Industries ABB has global expertise and technical know-how in processes for industrial, marine and other applications. As a result, the AC 800PEC is a key controller for ABB’s industrial applications, and also for third-party products and systems.
The AC 800PEC is an efficient and flexible controller family. The benefits of short cycle times, fast (input/output) I/O, high-processing power and advanced control using MATLAB®/Simulink®:
• Increases process quality and output
• Saves development and engineering costs
• Reduces the energy consumption of yourproducts
• Shortens time-to-market for your developmentproject
• Saves headcount and resources in engineeringand software development
• Enhances Return on Assets (ROA)
• Hardware backup trip integrated with fast COMBI I/O
The modular structure of the AC 800PEC control system means it can adapt to any application size, from the largest industrial plants and propulsion systems down to very compact products, where space and cost are critical. All over the world, thousands of processors are now proving their worth in a wide variety of extremely demanding applications.
Tuned for performance and efficiency .
Powerful hardware for efficient, high-speed processing The AC 800PEC combines the floating-point computing performance of the CPU with the flexibility and high-speed capability of a FPGA.
The system is separated into three performance levels covering different cycle times. Control tasks are allocated depending on their speed requirements:
• Very fast tasks down to 25 ns (nanoseconds forFPGA tasks)
• Fast tasks down to 100 μs (microseconds forMatlab/Simulink tasks)
• Slow tasks down to 1 ms (miliseconds forcontrol tasks)
The hardware architecture of the AC 800PEC is an ideal match to the three-level software structure.
To support the short processing cycle times, the AC 800PEC provides a fast I/O system. Depending on the speed of the I/O connection, it is possible to achieve data throughput times below 100 μs, including the time required to read, process, write and transmit the signal.
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