Products Description
GE IS200TSVCH1AJE Servo Terminal Board

Technical Specifications
Model: IS200TSVCH1AJE
Part Number: IS200TSVCH1AJE,MRP081636
Brand: GE(GE Vernova)
Product Type: Servo valve signal terminal board
Matching System: GE Speedtronic Mark VI turbine control system, cooperate with servo I/O pack
Power Supply:24VDC control rack power supply, working voltage 22.5‑28.5VDC
Signal Interface: Servo valve drive output, position feedback signal input
Protection Function: Over‑current, short‑circuit, surge suppression protection
Connector: Multi‑pin D‑sub connectors for I/O pack connection; barrier‑type terminal blocks for field servo valve wiring
Redundancy Mode: Support simplex and TMR triple‑modular redundant system configuration
Indicator: On‑board LED indicators for channel running and fault status
Installation: Cabinet panel mounting
Operating Temperature:‑40℃ ~ +70℃, non‑condensing
Protection Class:IP20
Weight:0.60kg
Dimension:255mm ×190mm ×23mm
Compatible System:Gas‑steam turbine, generator unit servo control cabinet

Core Function
Servo terminal board for Mark VI turbine control system. It serves as physical signal interface between servo I/O pack and field electro‑hydraulic servo valve. It transmits drive signals to servo valve, collects valve position feedback signals, completes signal filtering and surge protection. Supports TMR triple‑modular redundant architecture, realizes accurate closed‑loop adjustment of fuel valve and steam valve, guarantees stable load regulation of turbo‑generator unit.
Product Details
The IS200TSVCH1AJE (MRP081636) is TSVC series servo terminal board for GE Speedtronic Mark VI turbine control system.
This panel‑mount terminal board must be matched with corresponding servo I/O pack and cannot run independently. It undertakes signal wiring conversion for electro‑hydraulic servo actuators of gas turbine and steam turbine. It outputs driving signals to control servo valve action, meanwhile collects real‑time valve position feedback signals and sends back to control I/O pack. Built‑in hardware protection circuit can effectively restrain surge and short‑circuit fault damage to board and field servo components. On‑board LED indicators help maintenance staff quickly judge channel working condition and locate wiring faults. Conformal coated circuit board improves anti‑vibration, moisture‑proof and anti‑electromagnetic‑interference performance, adapts to harsh working environment of power plant turbine cabinet. It is widely used in simplex and TMR triple‑modular redundant turbo‑generator unit control cabinets.
It belongs to critical servo control spare‑part for Mark VI turbine control system, widely used in overhaul and renovation projects of power generation units.
It is important spare hardware for servo loop debugging and defective IS200TSVCH1AJE board replacement.