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WOODWARD 505XT｜Speed Controllers｜
Function
Multi loop PID control
Speed, extraction/replenishment (Ext/Adm), cascade, auxiliary 1/2 (Aux-1/Aux-2)
Support dual parameter decoupling control of speed and extraction pressure, with built-in ratio limiter to avoid parameter coupling oscillation
Startup and Operation Mode
Manual/semi-automatic/automatic/remote start
Critical speed automatic crossing, load control, extraction pressure control, grid connection control
Comprehensive protection function
Overspeed protection, critical speed shielding, maximum load limit, low vacuum/low oil pressure/high exhaust temperature shutdown logic, etc
First Out indication, quickly locate the source of the fault
I/O and Communication
Standard configuration: speed input (passive/active probe), analog input/output, digital input/output, relay output
Expansion: Supports LinkNet HT distributed I/O modules to meet complex on-site requirements
Communication: Ethernet, RS-232/485, can be connected to DCS system
Application
Industrial steam turbines (driving generators, compressors, pumps, fans)
Single extraction/supplementary steam turbine, turbine expander
Steam power systems in industries such as petrochemicals, electricity, metallurgy, and papermaking
WOODWARD 505XT｜Speed Controllers｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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