Protech 203 - Overspeed Protection Device
The ProTech 203 Overspeed Protection System monitors three individual magnetic pickups (MPUs) to provide overspeed protection for steam and gas turbines and other prime movers. The system replaces mechanical overspeed devices, especially in high-speed applications (above 10,000 rpm) when a mechanical overspeed device becomes unreliable.
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Servo Position Controller (SPC)
The Servo Position Controller (SPC) is a servo-valve driver that accepts a DeviceNet or 4–20 mA based position demand signal from a system controller, and accurately positions proportional or integrating servo-valves. The SPC has the required accuracy, responsiveness, and redundancy required for steam or gas turbine fuel valve control. For valve position sensing, the SPC accepts feedback signals from one or two (redundant) ac devices or one dc device.
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Servo Position Controller (SPC-R)
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Protech 203 - Overspeed Protection Device

> Triple redundant over speed trip protection for steam turbine applications
          - Two out of three voting
          - Each of the three modules can be set and tested independently
          - Each module has its own digital readout
          - Accepts three MPUS
          - Accepts three Power Inputs
                    - 24Vdc, 110Vac, 220Vac
          - Allows On-Line replacement
          - Meets API-670 (excluding Modbus req.)

>> Product spec 85562

Servo Position Controller (SPC)

The Servo Position Controller (SPC) is a servo-valve driver that accepts a DeviceNet (networked) or 4-20mA position demand signals from a system controller, and positions proportional or integrating servo-valves.

Features:
     - Replaces most DRFDs
     - Field Configurable (via Software tool)
     - Accepts Redundant AC or DC Feedback Signals
     - Compact Size (13”x 8”x 3”)
     - UL, CSA, CE

>> Product spec 03254

Servo Position Controller (SPC-R)

The Servo Position Controller -Redundant (SPC-R) is a servo-valve driver that accepts a DeviceNet (networked) or 4-20mA position demand signals from a system controller, and positions proportional or integrating servo-valves.

Features:
     - Current Sharing (1 or two coils)
     - Field Configurable (via Software tool)
     - Accepts Redundant AC or DC Feedback Signals
     - On-Line Replaceable
     - Redundant SPC links