Description
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BrandGE
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ModelIS220PSVOH1A
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Product NameMark VIe Servo Control I/O Module
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Place of OriginUnited States
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HS Code8537101190
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Weight0.48kg
GE IS220PSVOH1A Product Overview and Technical Specifications
Electrical Parameters
The module operates on a standard industrial 24VDC power supply, with a stable allowable input voltage range of 18VDC to 30VDC. It features low static power consumption and stable operating current during continuous operation. It supports high-resolution servo signal output and LVDT position signal acquisition, with built-in signal amplification, filtering and isolation circuits. The module provides high-precision analog control outputs for servo valve driving, with strong anti-surge and anti-electromagnetic interference capabilities, effectively avoiding signal distortion and ensuring accurate closed-loop control of turbine valve positions.
Wiring Method
The module adopts standard onboard terminal and plug-in integrated wiring mode. The 24VDC power supply is connected via dedicated power terminals with positive and negative polarity identification for standardized power access. Field LVDT position feedback signals and servo valve control signals are connected through dedicated shielded signal terminals. Independent grounding terminals are configured for system grounding and shielding grounding to eliminate ground loop interference. The layered and standardized wiring layout facilitates on-site installation, regular inspection, fault troubleshooting and daily module maintenance.
Core Product Advantages
It achieves full compatibility with GE Mark VIe turbine control systems without additional configuration and adaptation. High-precision servo closed-loop control ensures ultra-stable valve position adjustment and improves turbine unit operation accuracy. Built-in multi-level signal isolation and anti-interference design adapt to complex electromagnetic environments in power plants. It supports real-time signal self-diagnosis, enabling rapid detection of signal anomalies, open circuits and short-circuit faults. Compact modular design simplifies cabinet layout and reduces intermediate wiring failure points. It supports long-term continuous unattended operation with low failure rate and excellent operational consistency, effectively reducing system maintenance costs and equipment downtime.
Application Scenarios
It is mainly used for servo valve closed-loop control and valve position monitoring in GE Mark VIe turbine control systems. It is widely applicable to gas turbine and steam turbine control cabinets in thermal power plants and combined cycle power stations. It undertakes precise control of fuel valves, steam valves and hydraulic actuators for power generation units, and supports unit speed regulation, load adjustment and safety interlock control. It is also suitable for transformation and precision upgrade of industrial power generation automation systems, providing core control support for stable and efficient operation of power equipment.
Temperature & Environmental Parameters
The continuous operating temperature range is -20°C to +70°C, fully adapting to conventional indoor working environments of power plant control cabinets. The storage temperature ranges from -40°C to +85°C for spare part storage and cross-regional long-distance transportation. It maintains stable performance under 5% to 95% non-condensing relative humidity. The industrial-grade conformal coated circuit board resists dust, moisture and mild corrosion, and withstands long-term slight mechanical vibration in industrial control scenarios.
