GE IS200TSVCH2ADC TSVC Servo Input‑Output Terminal Board

Product Description

The IS200TSVCH2ADC is a dedicated servo I/O terminal and signal conditioning PCB for GE Speedtronic Mark‑VI turbine control racks. It acts as the hardware interface between the main 

control pack and field electro‑hydraulic servo valves for fuel and steam valve actuation. The board implements signal conversion, electrical isolation, wiring termination and servo feedback signal 

acquisition, delivering precise drive signals to modulate turbine valve position. Built‑in circuit diagnostics detect wiring faults and board abnormalities. With conformal coating treatment, it adapts to 

high‑interference cabinet environments of power plants. It is widely fitted within gas‑turbine and combined‑cycle unit control cabinets and serves as critical maintenance spare for existing Mark‑VI 

turbine control systems.

Technical Specifications

Full Model: IS200TSVCH2ADC Brand: General Electric (GE), Origin: USA Applicable System: GE Speedtronic Mark‑VI Turbine Control System Module Type: Servo I/O Terminal & Signal 

Conditioning PCB Function: Servo valve drive output, position feedback acquisition, signal isolation Backplane Power: 5 V DC supplied via rack backplane Termination: Field wiring terminal 

connectors for servo actuators Protection Coating: Conformal coated circuit board Installation: Plug‑in mounting inside Mark‑VI I/O sub‑rack Operating‑Temperature: 0℃ ~ +60℃ 

Storage‑Temperature: ‑40℃ ~ +85℃ Ambient Humidity: 5%‑95% non‑condensing Net Weight: Approx. 0.29 kg

Key Features

Special‑purpose interface hardware for Mark‑VI turbine electro‑hydraulic servo valve control Realises servo drive output and valve position feedback signal conditioning in one unit 

Channel‑wise electrical isolation suppresses plant‑site electromagnetic interference On‑board diagnostic capability for fast fault identification of servo loops Conformal‑coated PCB enhances 

humidity and dust resistance in power‑plant cabinets Modular plug‑in construction simplifies on‑site disassembly and spare‑part replacement Seamless hardware compatibility with standard 

Mark‑VI I/O rack configuration Vital spare component for gas‑turbine and steam‑turbine control cabinet overhaul