Each of the three ProTech units must be reset before the turbine is started. A unit
is reset by pressing the front panel RESET button or by momentarily closing the
remote reset contact (TB5-4 to TB5-5). After the power-up self-tests, each
ProTech unit begins executing its speed-sensing algorithm. If the speed does not
exceed the MPU FAIL SETPOINT speed within the MPU FAIL TIMEOUT value,
the unit trips. At this time the MPU FAIL LED turns on and remains on until the
next reset. This trip is not affected by the TRIP ON MPU FAILURE option. The
ProTech overspeed protection system will trip on an overspeed condition during
start-up.

The 8273-140 digital governor also has remote control and monitoring functions,
and can communicate with the host computer through the communication interface.
In the field of industrial automation, 8273-140 digital governor is widely used in
speed control and position control of various motors,
which can improve production efficiency and product quality.

New PID algorithm and adaptive velocity sensing filter
The PID changes give the 2301 D better control over slow and medium speed engines.
Woodward 9907-1663 VariStroke Actuators
Woodward 9907-1659 VariStroke Actuators
Woodward 9907-1674 VariStroke Actuators
Woodward 9907-1652 VariStroke Actuators
Triconex Pass-Through Module, Any I/O Type, NIS D6001S
Triconex Pass-Through Module, Any I/O Type, NIS D6004S
Triconex IOA FEED-THRU/EX (ETP IOA Feed-Through Module) 2906598
Triconex Safety Relay, 2xNC 2702971
Triconex Analog Input with HART D5014S
Triconex Analog Input with HART D6017SK
Triconex Analog Output with HART Intrinsically Safe D5020S
Triconex Digital Input Intrinsically Safe D5031S
Triconex Supervised Digital Input Intrinsically Safe D5038SB
Triconex Digital Input Not Intrinsically Safe D5093S
Triconex Supervised Digital Output Intrinsically Safe D5049S
Triconex Digital Output Not Intrinsically Safe D5090S
Triconex Digital Output Not Intrinsically Safe D5091S
Triconex Supervised Digital Output Not Intrinsically Safe D5096S
Triconex Supervised Digital Output Not Intrinsically Safe D5097S
Triconex Analog Input Intrinsically Safe D5072S-099
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