WOODWARD 8200-1301 REV. R 505XT Digital Steam Turbine Controller

Product Brief Description

Woodward 8200-1301 REV.R is the 505XT digital turbine controller for single-valve steam turbines. It features universal AC/DC power supply (88–264 Vac or 90–150 Vdc). This panel-mounted governor delivers speed regulation, generator load control and turbine protection. Built-in HMI keypad and display support local operation, while Ethernet and serial ports enable communication with DCS and HMI. Revision R is an updated hardware release with improved EMC performance, widely used as spare part for industrial steam turbine control cabinets.

Product Features & Functions

• Precise speed governing and base load control for single-valve steam turbines
• Bumpless transfer between speed control and load control operating modes
• Configurable auto startup ramp, warm soak and critical speed avoidance logic
• Overspeed monitoring, speed signal loss, alarm and configurable trip interlock functions
• Dual actuator drive outputs supporting split-range valve control applications
• Universal wide-range AC/DC power input for flexible cabinet power configurations
• Front panel LCD and keypad for local parameter setup, status viewing and manual operation
• Ethernet and Modbus RTU serial interfaces for connection to DCS, PLC and DSLC‑2 synchronizer
• Event recorder stores alarms and trip sequences for post-fault troubleshooting analysis
• REV.R hardware revision with upgraded circuit design, enhanced noise immunity and component reliability

Application Scenarios

• Single-valve steam turbine generator sets for industrial power generation
• Turbine-driven pumps, fans and compressors for mechanical drive service
• Cogeneration CHP plants and captive power stations
• Chemical plant, refinery, pulp & paper mill process steam turbines
• Control system retrofits, spare replacement and scheduled outage maintenance

FAQ