Woodward 5446-348 Digital Actuator Controller module

Woodward 5446-348 Digital Actuator Controller module

Functional Description

The 505XT’s control capabilities are:

• Speed/Frequency Control
• Extraction and/or Admission Header Pressure Control
• Turbine or Generator Load Control or Limiting
• Turbine Inlet Header Pressure Control or Limiting
• Turbine Exhaust Header Pressure Control or Limiting
• Plant Import/Export Power Control or Limiting
• Isochronous Load Sharing between units (with DSLC™-II control)
• Control of any process directly related to unit load 

Features

• Critical Speed Avoidance (3 speed bands)
• Auto Start Sequence (hot & cold starts)
• Multiple Ratio/Limiter Decoupling Mode
• Valve Limiter(s)
• Security (program is password protected)
• Adaptive Speed/Load PID Dynamics
• First-Out Indication (shutdowns)
• Zero Speed Detection with proximity probe (< 0.5 Hz)
• Peak Speed Indication for overspeed trip
• Multi-lingual Display (English & Chinese)
• Remote analog setpoints for Speed/Load, Aux, and Cascade
• High Speed Digital Communications to Woodward actuators and power management products 

Technical Specifications