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WOODWARD 9905-678｜Speed controller｜
Suitable for prime mover industrial gas turbines, aviation modified gas turbines, micro gas turbines, and gas steam combined cycles
Control functions include speed control, load control, temperature control, fuel control, start sequence control, and shutdown control
Specialized functions include acceleration control, temperature matching, surge protection, combustion monitoring, and emission control
I/O capacity up to 56 analog inputs, 28 analog outputs, and 56 discrete I/Os
Dedicated input exhaust temperature (thermocouple array), compressor inlet/outlet pressure, fuel pressure/temperature, vibration signal
Speed input 4-channel MPU (supports high-speed gas turbines, up to 150000 RPM)
Speed range of 10-150000 RPM (covering high-speed requirements for aviation modified gas turbines)
Control accuracy ± 0.02% (speed), ± 1 ° C (temperature)
Scanning cycle 1ms (fuel control circuit), 10ms (temperature control circuit)
7-inch color TFT touch screen display (same as 505XT-462)
Communication interface dual Ethernet (Modbus TCP/IP, OPC UA, IEC 61850), RS-485/232, CANopen, HART
Built in 4GB data storage+pluggable SD card (up to 32GB)
Power redundancy 24V DC (18-36V) or 125V DC (90-150V)
WOODWARD 9905-678｜Speed controller｜
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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