GE IS210WSVOH1A Mark VIe Servo Driver Assembly
Delivery time 3 days
Product origin New/used
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The GE IS210WSVOH1A is a 4-channel servo driver assembly designed by GE specific
The GE IS210WSVOH1A is a 4-channel servo driver assembly designed by GE specifically for the Mark VIe Speedtronic™ control system. Its core function is for high-precision control of electro-hydraulic servo valves in gas/steam turbines.
I. Core Positioning
System: GE Mark VIe Gas/Steam Turbine Control System
Function Abbreviation: WSVO (Servo Driver)
Product Rating: A-Rated
Core Function: Drives 4 independent servo valves, outputting ±10V / 4–20mA control signals
Controlled Objects: MOOG electro-hydraulic servo valves, fuel regulating valves, IGV inlet guide vanes, hydraulic actuators
II. Hardware Specifications
Number of Channels: 4 independent servo drive channels
Output Accuracy: ±0.1% full scale
Signal Type
Voltage: ±10V DC
Current: 4–20mA (standard servo valve coil drive)
Power Supply: 24V DC industrial grade power supply
Structure
Standard 6U board with metal heat sink shield
Onboard 4 sets of high-power relays (K1-K4), 4 sets of small signal relays (K5-K8)
Multi-layer PCB with conformal coating
Metal backplate reinforcement, no DIN required DIN Rail
Interface
Front End: D-Sub (J1), Terminal Block (TB1/TB2)
Back Panel: Mark VIe Dedicated I/O Bus
Protection: Overcurrent, Overvoltage, Short Circuit, and Open Circuit Detection per Channel
Diagnostics: Channel Status LEDs, Fault Feedback, Loop Self-Test
Environment: Wide Temperature Range -40°C ~ +70°C, Industrial Grade Vibration/Shock Resistance
III. Circuit and Structure
Left Side: 4 High-Power Relays (K1-K4), responsible for main circuit switching
Right Side: 4 Small Signal Relays (K5-K8), responsible for control signal switching
Center: High-Precision Operational Amplifier, DAC, Driver IC, achieving 4–20mA constant current output
Back Panel: Mark VIe Dedicated Bus Connector, communicating with the controller
IV. Typical Applications
Heavy-Duty Gas Turbines (9FA/9E/7FA): Precise control of fuel valves and IGV guide vanes
Steam Turbines: Speed Control System, Extraction Valves, Main Steam Valve Control
Combined Cycle Power Plants: Combined Servo Control of Gas Turbine and Steam Turbine
Industrial Turbines / Compressor: Anti-surge, load regulation, hydraulic actuator drive
Petrochemical: Large unit speed control, safety control circuit
V. Related Models
IS210WSVOH1A: Basic 4-channel servo drive
IS210WSVOH1AE: Enhanced version, higher stability, optimized diagnostics, long-life components
IS210WSVOH1ACD: Customized version, adapted to specific models/special operating conditions
VI. Key Features
Class A Reliability: Designed for critical control in power plants, meets GE energy-grade standards
4 Independent Channels: Isolated drive for each channel, no interference
High Precision: ±0.1% current output, compatible with high-precision servo valves such as MOOG
Comprehensive Protection: Overcurrent/short circuit/open circuit detection, ensuring the safety of servo valves and the system
Mark VIe Dedicated: Natively compatible, plug and play, no additional adapters required
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