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WOODWARD 9905-860｜Digital Control Unit｜
Woodward 9905-860 is a Peak 150 series digital steam turbine controller used for speed and load control of single valve/single valve frame turbines. It is powered by 24VDC, communicates via Modbus, and has NEMA 4 protection.
Core parameters
Type: Peak 150 Steam Turbine Digital Controller
Power supply: 24 VDC
Communication: Modbus RTU (RS-485)
Speed measurement: 2-channel magnetic resistance probe input, high signal optimization
Display: 5-digit LED speed display
Output: 2 analog signals (4-20/0-1 mA), 1 actuator output (4-20/0-200 mA), 4 relays
Protection: NEMA 4
Temperature: -40~85 ℃
Typical functions
Speed/load control, overspeed protection, remote speed setting
Single valve/single valve frame adaptation, valve position closed-loop (optional)
Fault diagnosis, remote configuration, and monitoring
WOODWARD 9905-860｜Digital Control Unit｜
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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