8237-1370 Speed Detection System

8237-1247 monitors turbine rotor speed and acceleration through active or passive microprocessors and issues closing commands to the turbine’s gate jump valve or corresponding trip system.
Woodward’s 8237-1367 is designed to be used as an overspeed device for steam, gas, water turbines, reciprocating engines, or plant process equipment of any size.
8237-1368 Woodward ProTech-GII Overdrive protection’s 8237-1368 uses discrete inputs (3 / module, 9 in total): alarm/trip reset command, start command, and speed failure override command
8237-1369 provides a variety of predefined test programs, including automated periodic test programs, to help users verify system operation.
8237-1370 ProTech-GII 8237-1370 Panel mount includes overspeed and overacceleration features, as well as time-stamped alarms and trip logs.
8237-1594 uses a three-mode redundant structure and three-take two voting logic to accurately determine unsafe conditions and single points of failure.
8237-1595 Allows for detection, notification of failures in overdrive system components, and for repair or replacement while the monitoring system continues to operate online.
Woodward’s ProTech-GII 8237-1596 consists of three separate modules with a trip output of either a separate output or a three-for-two configuration.
The ProTech-GII dividers installed on 8237-1597 are designed for overdrive in steam, gas, water turbines, reciprocating engines, or plant process equipment of any size.

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