The 505DR® Dual Redundant Turbine Controller is a state-of-the-art digital control
platform designed to reliably control and protect single-valve and single-pump steam turbines.
The benefits of dual redundancy maximise turbine reliability and availability.
Redundancy is managed at the operating system level using Woodward's RTN (Real Time Network),
allowing ultra-fast switching and ‘bufferless’ transitions.
The controller utilises the same unique PID architecture as the proven 505XT,
making it the ideal controller for controlling speed, load,
parameters such as pumping collector pressure, exhaust collector pressure or connection line power.
The dual redundant version inherits features such as the Opti-Tune self-tuning PID and ratio limiter.
The controller includes the following turbine protection features to ensure that
the turbine and its driven loads (compressors, pumps, generators) operate within design limits:
- 3 critical speed avoidance bands
- Overspeed prediction and shutdown protection
- Configurable under- or over-pressure shutdown logic
- Minimum and maximum speed and load settings
- Maximum low-pressure stage overpressure limitation
- Minimum high pressure stage flow limiting
Ethernet and serial communications allow for easy integration into plant controls or process control systems.
The 505DR can be configured with an optional integrated user interface,
including an 8.4-inch multi-language graphical display
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