1. Core CPU & Main Controller Modules

• 43297-029 / 10309-00753 High-Speed RISC Main CPU Board (STG820 Turbine Governor System)

• N895600512D / N895600051C ECPU1 Turbine Master Control Processor
• MVC3002-4001 MV3000 Main Controller Unit
• AL132 / AL132A / STO0982E01 Universal Turbine Logic Controller

• DSI1817 TRVC062335000 CP00003934 Central Processing Interface Module

2. Speed & Turbine Interface Boards

• STI171 CS2-CT Turbine Speed Monitoring Interface Module

• STI161 (IP161 + TL111) Dual-Channel Speed Signal Conditioning Board

• SPC160A Valve Position Regulating Control Board
• DIZ 232.1 Digital Pulse Counter for Tachometer Signals
• APUR Current Amplifier Module Matching IP139 (RAPA) Regulator Board

3. Analog / Digital I/O Modules (ALSPA Control Platform)

• LC105A-1 8-Channel Redundant Analog Output AO Module (4-20mA for EHC Actuators)
• 12004-102-01 VPS BOARD VER.C Multi-Function Digital Input/Output I/O Board
• 42011-106-00 VIOC Digital Turbine Protection Logic Module
• MVAJ27L1FB0784D Analog Signal Communication Interface Board
• PIB101C 3BD91299 Dual-Core I/O Node Board
• PIB310 Power Signal Interface I/O Board

4. Power Supply Modules & Rack Power Units

• PIB903 220VAC to 12VDC VME Rack Power Supply Board
• PIB100G 3BEE0226 Regulated 24VDC Control Power Board
• MPS022 Universal AC/DC Input Turbine Control Power Supply Unit
• N895313512X / N895313000R SUP-AL Auxiliary System Power Module
• EPSC-0070 Signal Conditioner Isolated Power Supply

5. Vibration, Protection & Trip Monitoring Modules

• 43297029 Shaft Vibration Proximity Probe Monitoring Trip Board
• D-984-058103 Flame Indicator & Fault Alarm Detection Board
• D-984-0579 Frequency Overspeed Detection Board
• D-984-057802 Vibration Intensity Monitoring Circuit Board
• TAI3220 / TA3222 Turbine Temperature & Trip Protection Module
• T28 / TVH3101 TROPIC Series Overspeed Trip Controller Card

6. Communication & Fiber Interface Spares

• A00006/001 Fiber Optic Communication Interface Module Rev.2
• GDM20E20 Serial Bus Communication Card
• GDS1198-6008 Redundant Network Interface Board
• GE01617X032 Backplane Data Bus Connector Board

7. Backplane, Rack & Mechanical Auxiliary Spares

• ALSPA Standard VME Rack Backplane Chassis
• Module Locking Clips & Card Retainer Latches
• Rack Cooling Fan Assembly (24VDC / 220VAC)
• Terminal Connector Blocks for Analog/Digital Signals
• Shielded Signal Cables for Tachometer & Proximity Sensors

8. Sensor & Field Transducer Spare Parts

• Turbine Shaft Proximity Vibration Probes & Extension Cables
• Magnetic Pickup Tachometer Speed Sensors
• 4-20mA Pressure / Temperature Transmitters for Steam Circuit
• Electro-Hydraulic Converter (EHC) Coil & Valve Actuator Spares
• Overspeed Trip Solenoid Valve Coils

Remark: This full spare parts list covers ALSTOM STG820 steam turbine governor system, ALSPA 5/6000 DCS turbine control platform, and classic TROPIC protection series modules for coal-fired, combined-cycle & nuclear power plant turbine control units. All listed part numbers support original new, surplus unused, refurbished tested replacement supply.