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Atlas‐II™ Turbine and Engine Control Platform

Atlas‐II™ Turbine and Engine Control Platform

Atlas‐II™ Turbine and Engine Control Platform

Applicatons

The Atlas-II™ control is an industrial platform that offers robust, low-cost control for a wide variety of turbine, engine, and compressor applications. This control is designed to integrate into the modern plant architecture through the use of Ethernet and fieldbus communication protocols. Four Ethernet ports and add-on fieldbus communication modules allow for the network flexibility and redundancy necessary for today’s communication architectures. With a proven real-time operating system and dedicated inputs and outputs, the Atlas-II provides reliable and deterministic performance for key prime mover control functionality. Less critical control functionality can be added into the Atlas-II through the use of free-time programming structures and distributed I/O.

The Atlas-II programmable control is designed specifically for prime mover control applications such as:

  • Gas Turbines
  • Compressor Control and Protection
  • Gas and Diesel Engines
  • Steam Turbines
  • Hydro Turbines

Atlas-II features and performance are designed for the rigorous requirements of prime mover control. CPU capability, software recursion rates, software algorithms, I/O conditioning and filtering, and numerous other features combine with long-term support and Woodward service to ensure a smooth start-up and long support life. These features create the ideal product when performance matters:

  • Rigorous load rejection performance
  • Incipient Surge Detection
  • Long-term naval programs

In addition to its primary purpose of basic fuel control for prime movers, the Atlas-II platform can be designed to provide added control functionality. Adding additional onboard I/O or utilizing remote distributed I/O easily achieves unit sequencing, protective monitoring, or other site-specific control requirements.

Description

The Atlas-II control is available in several configurations to meet the specific I/O needs of the prime mover. The modular hardware configuration of the Atlas-II lends itself to bulkhead mounting.

Hardware modules can support a variety of analog and digital signals including thermocouples, RTDs, 4–20 mA signals, and others. Control power for the Atlas-II is supplied from an external 24 Vdc source.

Environmental specifications allow the Atlas-II control to move out of the control room and closer to the prime mover. In many cases, it can be mounted on the prime mover skid. Typically, the Atlas-II control is mounted in an enclosure rated for the site-specific environmental conditions.

The Atlas-II platform supports Profibus and Ethernet field architectures for remote distributed I/O.

Application code is generated by use of Woodward’s Graphical Application Program (GAP™) or Woodward’s Ladder Logic programming environment. Powerful service tools interface to the Atlas-II to provide real-time monitoring and troubleshooting of the control.

Atlas‐II™

Turbine and Engine Control Platform

Product Specification 03346

Features

  • Total system control
  • Powerful CPU for demanding applications
  • Real-time multi- tasking VxWorks ® operating system
  • Deterministic update rates as fast as 5 ms
  • Improved control system availability and reliability
  • SNTP compliant for time synchronization
  • Four Ethernet ports
  • Distributed I/O Capability
  • Profibus
  • Ethernet
  • Low cost alternative to a general purpose PLC
  • CE and UL compliant, marine type approved

Fact sheet

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