Description

Product Overview

The GE IS220PSVOH1A, REV-G is a high-performance Servo Control I/O Pack designed by General Electric for precise motion control within Mark VI/Mark VIe Speedtronic Turbine Systems. As part of GE’s industrial automation portfolio, this module acts as an interface between servo terminal boards (e.g., IS200TSVCH2A) and Ethernet networks, enabling real-time control of servo valves in gas/steam turbines. Engineered for extreme environments, it operates reliably from -40°C to +70°C and features dual Ethernet ports, LED diagnostics, and hot-swappable architecture for zero-downtime maintenance. Its compact design (170 × 135 × 40 mm) and IP20-rated housing ensure resilience in harsh industrial settings like power plants and offshore rigs.

Technical Specifications

Parameter	Value
Model	IS220PSVOH1A, REV-G
Manufacturer	General Electric (GE)
Type	Servo Control I/O Pack
Input Voltage	28V DC (via terminal board)
Power Consumption	≤10W
Operating Temp.	-40°C to +70°C
Communication	Dual 10/100 Ethernet (RJ45 ports)
Protocols	Modbus TCP, EtherNet/IP
Dimensions	170 × 135 × 40 mm
Weight	0.5 kg
Protection Rating	IP20
Certifications	UL, CE, CSA

Key Features and Advantages

Precision Servo Control:

Controls two servo valve position loops via the WSVO servo driver (e.g., IS210WSVOH1A), supporting high-accuracy motion for turbine governors and actuators with 16-bit resolution.
Dual Ethernet ports enable redundant network connectivity (Enet1/Enet2), ensuring uninterrupted data exchange and fault tolerance in critical systems.

Robust Diagnostics and Integration:

Front-panel LED indicators (PWR/ATTN, ENA1/ENA2) provide real-time status for power, network health, and faults, reducing troubleshooting time by 40%.
Auto-reconfiguration via GE’s ToolboxST software allows seamless module replacement without manual reprogramming, minimizing downtime.
Integrated temperature sensor and conformal-coated PCB withstand 95% humidity and 5G vibrations, ideal for corrosive environments.

Industrial Durability:

Hot-swappable design supports maintenance during operation, critical for SIL 2-compliant turbine safety systems.
Modular architecture pairs with terminal boards (e.g., IS200TSVCH2A) for flexible deployment in Mark VIe racks.

Application Areas

Power Generation: Manages servo valves in gas/steam turbines for precise fuel or steam control, enabling emergency shutdowns and load balancing.
Manufacturing: Drives robotic arms and conveyor systems in automotive plants, ensuring sub-millimeter positioning accuracy.
Oil & Gas: Controls valve actuators on ATEX Zone 2-certified offshore platforms, resistant to salt fog and methane exposure.

Compatible Accessories

Terminal Board: IS200TSVCH2A (essential for signal interfacing).
Servo Driver: IS210WSVOH1A (for legacy systems) or IS410WSVOH1A (advanced redundancy).
Controller: IS215UCVEH2AB (Mark VIe processor for centralized command).
Power Supply: IC693PWR331G (24V DC backup for uninterrupted operation).

Installation and Maintenance

Installation:

Mount vertically on DIN rails or Mark VIe backplanes with ≥20 mm clearance from heat sources.
Connect to IS200TSVCH2A terminal board via DC-62 pin connector; verify 28V DC input and ground resistance ≤0.1Ω.

Maintenance:

Annual calibration: Test servo performance using ToolboxST’s manual stroking/ramping functions.
Quarterly cleaning: Remove dust from ventilation slots with dry nitrogen (<30 psi).
Component replacement: Replace electrolytic capacitors after 60,000 operational hours (≈7 years).

Product Assurance

12-month global warranty covering defects.
MIL-STD-810H testing (thermal cycling, vibration) with MTBF >150,000 hours.
Support includes 24/7 remote diagnostics and 48-hour on-site response for critical failures.

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