This manual describes the ProTech® electronic two-out-of-three Overspeed
Protection System, Dual Relay, Remote Overspeed Test model 9905-903. The
manual explains the operation and gives the configuration procedures for the
system. This manual does not contain instructions for the operation of the
complete turbine system. For turbine- or plant-operating instructions, contact the
plant-equipment manufacturer.
Before doing any installation, maintenance, adjustments, or configuration on the
ProTech 203 system, read manual 82715. Guide for Handling and Protection of
Electronic Controls, Printed Circuit Boards, and Modules.

Input power connections are made to the power supply through terminals on the front of the power supply.
For redundant operation, the control can use any combination of power supplies.
The 8273-140 is a digital speed regulator belonging to the Woodward brand.
It is widely used in the field of industrial automation, especially in systems that control complex production processes.
The 8273-140 digital governor has a variety of control modes,
which can be selected according to different application scenarios.
In addition, it also has overload protection function, which can prevent motor overload damage.
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.
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WoodHead Cord Reel & Lamp SET 3778 832722FU-09 DANIEL WOOD HEAD
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WoodheadSST-PF B-CLX PROFIBUS DP Remote I/O Scanner Module
Woodhead Canada Limited / SST 5136-DNP-PCI DeviceNet Pro PCI Adapter
Woodhead | SST-DNP-104-2 |/Refurbish ed
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MOLEX WOODHEAD SST-DN3-PCI SST-DN3-PCU, DeviceNet as photo, sn:0036, toUS
Daniel Woodhead Brad Harrison 332020K04M040 Cord Set
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