Product Short Description
Technical Specifications
Manufacturer: General Electric
Family: Mark V Speedtronic Turbine Control System
Function: RST Overflow Board – analog input/output expansion and control logic execution
Microprocessors: Triple onboard 32-bit processors running in parallel
Memory: Shared RAM accessible by all processors; configuration stored in on-board EPROM
Power Requirements: 28 V DC logic supply (typical)
Isolation: 1 500 V channel-to-channel and channel-to-logic
Operating Temperature: –30 °C to +65 °C
Storage Temperature: –40 °C to +85 °C
Relative Humidity: 5 % – 95 % non-condensing
Protection Class: IP20 (control cabinet environment)
Dimensions: 267 mm H × 165 mm W × 25 mm D
Weight: 0.45 kg
Description
Connectors & Jumpers
Input/Output:
• 3 × 40-pin header connectors (JFF, JE, 6PL)
• 3 × 34-pin header connectors (JBR, JFR, JBS/T)
• 1 × 16-pin header connector (JC)
Configuration: 24 user-configurable 3-pin jumpers for signal routing and scaling
Input/Output:
• 3 × 40-pin header connectors (JFF, JE, 6PL)
• 3 × 34-pin header connectors (JBR, JFR, JBS/T)
• 1 × 16-pin header connector (JC)
Configuration: 24 user-configurable 3-pin jumpers for signal routing and scaling
Functional Highlights
Triple-processor architecture delivers deterministic real-time control with scan times below 5 ms
Processes analog signals (mV, mA, thermocouple, RTD) and provides conditioned 4–20 mA or 0–10 V outputs
Configurable alarm limits for overspeed, overtemperature, vibration and flame detection
Hot-swappable module design allows replacement without turbine trip
Front-panel LEDs indicate power, fault, and individual channel status
Triple-processor architecture delivers deterministic real-time control with scan times below 5 ms
Processes analog signals (mV, mA, thermocouple, RTD) and provides conditioned 4–20 mA or 0–10 V outputs
Configurable alarm limits for overspeed, overtemperature, vibration and flame detection
Hot-swappable module design allows replacement without turbine trip
Front-panel LEDs indicate power, fault, and individual channel status
Application Scenarios
Gas turbine generator sets – fuel valve positioning, exhaust temperature monitoring
Steam turbine control – emergency trip logic and throttle valve servo drive
Combined-cycle power plants – coordinated control of gas and steam turbines
Oil & gas compression trains – anti-surge and load-sharing control
Industrial cogeneration – real-time load dispatching and grid synchronization
Gas turbine generator sets – fuel valve positioning, exhaust temperature monitoring
Steam turbine control – emergency trip logic and throttle valve servo drive
Combined-cycle power plants – coordinated control of gas and steam turbines
Oil & gas compression trains – anti-surge and load-sharing control
Industrial cogeneration – real-time load dispatching and grid synchronization
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