Woodward 9907-164 is a digital microprocessor controller module manufactured by Woodward Corporation, designed for the control of steam turbines, turbine-generators and turbine-expander modules. With its high reliability, stability and precise control, this controller is widely used in industrial automation and power generation control systems, especially in power stations, natural gas compression stations, industrial processing plants and other occasions.

The 9907-164 controller features an intuitive user interface and a variety of control functions, including speed control, load control, and turbine and compressor start and stop control. It also has data acquisition and monitoring functions, which can collect and monitor data related to turbine performance in real time, and transmit the data to the monitoring system, SCADA system or other control equipment through the communication interface for remote monitoring and alarm.

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In addition, the 9907-164 module has a self-diagnostic function to detect turbine failures and provide alerts, thus ensuring the safe operation of the turbine. It also has an internal current detection circuit that can monitor and react to multiple load failure situations, providing further assurance for the stable operation of the turbine.

Woodward 9907-164 controller specifications include input voltage +24 Vdc 1 A, operating temperature range from -4 to +140 F, support for RS-232/RS-422 communication interface with Modbus protocol, software version 505View or OpView™. In addition, the controller weighs 9.11 pounds and measures 14W x 11H x 4D (355 x 279 x 102 mm).