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Product Description
The GE IS220PSVOH1B is a Servo Control Pack designed for the Mark VIe Control System, which is part of the GE Speedtronic product family. It plays a critical role in the control and operation of hydraulic servo-actuated valves, often used in gas and steam turbine control systems. This pack integrates advanced processing capability, digital-to-analog conversion, and feedback mechanisms to precisely drive and monitor electrohydraulic actuators.
The IS220PSVOH1B module provides two independent servo output channels, supporting the control of proportional hydraulic servo valves. It includes current feedback, position sensing, and support for redundant system configurations. Its robust industrial-grade construction makes it suitable for high-reliability turbine environments.
Technical Specifications
| Parameter | Description |
|---|---|
| Model Number | IS220PSVOH1B |
| Product Type | Servo Control Pack |
| Series | Mark VIe |
| Output Channels | 2 Servo Output Channels (Electrohydraulic) |
| Output Type | Current-controlled outputs (±200 mA typical range) |
| Feedback Support | Yes, includes LVDT (Linear Variable Differential Transformer) feedback |
| Redundancy Support | Yes, for fault-tolerant operation |
| Power Supply | 28 VDC typical, supplied from backplane |
| Communication Interface | Ethernet (with support for simplex or redundant configurations) |
| Mounting | DIN-rail or direct mount to terminal board |
| Operating Temperature Range | -30°C to +65°C |
| Dimensions | 150 x 100 x 50 mm |
| Weight | 0.6 kg |
| Regulatory Compliance | RoHS, CE, UL certified |
Applications
The GE IS220PSVOH1B Servo Control Pack is widely used in the following industrial applications:
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Gas turbine fuel control systems
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Steam turbine valve control
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Electrohydraulic actuator regulation
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Critical motion control for energy turbines
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Safety-critical turbine shutdown systems
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Power plant automation platforms requiring redundancy
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Integration with Mark VIe distributed control systems
Advantages
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High Precision Control: Dual servo channels with current feedback provide excellent resolution and accuracy.
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Redundant Operation: Supports redundant configurations for increased system reliability in mission-critical environments.
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Robust Build Quality: Engineered for harsh turbine operating conditions with extended temperature and vibration tolerance.
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Modular Architecture: Plug-and-play integration with Mark VIe systems reduces downtime and simplifies maintenance.
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Enhanced Diagnostics: Real-time monitoring of output currents and LVDT positions for advanced condition monitoring.
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Versatile Mounting: Can be mounted on a variety of terminal boards for flexible deployment.
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Simplified Integration: Ethernet-based control and synchronization simplify communication with central controllers.
Frequently Asked Questions (FAQ)
Q1: What is the main function of the IS220PSVOH1B?
A1: It serves as a dual-channel servo driver for electrohydraulic valve actuators in Mark VIe turbine control systems.
Q2: How many output channels does the IS220PSVOH1B support?
A2: It supports two independent servo output channels.
Q3: Does the module support LVDT feedback?
A3: Yes, it supports LVDT feedback for precise position sensing of valve actuators.
Q4: What is the typical current output range of the servo channels?
A4: Each channel provides a typical output of ±200 mA.
Q5: Is the IS220PSVOH1B suitable for redundant configurations?
A5: Yes, it supports redundancy for improved system availability.
Q6: Can this pack be integrated with non-GE systems?
A6: It is primarily designed for Mark VIe systems, but can potentially be integrated via standard I/O interfacing depending on system compatibility.
Q7: What type of mounting does the module support?
A7: It can be mounted on DIN rails or directly onto a compatible terminal board.
Q8: What environmental conditions can it withstand?
A8: The module operates in a wide temperature range from -30°C to +65°C and is designed for industrial turbine environments.
Q9: What communication protocols does it support?
A9: It uses Ethernet for communication, supporting both simplex and redundant topologies.
Q10: Is the module field replaceable?
A10: Yes, it is designed for easy field replacement without system-wide shutdown.
Related Models (Same Series or Functionally Related)
| Model Number | Description | Output Channels | Communication | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| IS220PSCAH1A | Servo Control Pack A | 2 | Ethernet | 150 x 100 x 50 | 0.6 |
| IS220PPRFH1A | Primary Feedback Module | 2 | Ethernet | 140 x 95 x 50 | 0.58 |
| IS220PDIOH1A | Discrete I/O Pack | 16 DI/8 DO | Ethernet | 150 x 100 x 50 | 0.6 |
| IS220PAICH1A | Analog Input Pack | 8 AI | Ethernet | 150 x 100 x 50 | 0.6 |
| IS220PAOCH1A | Analog Output Pack | 8 AO | Ethernet | 150 x 100 x 50 | 0.6 |
| IS220PDOAH1A | Discrete Output Pack with Relay | 12 DO | Ethernet | 150 x 100 x 50 | 0.6 |
Popular Models from GE (Same Brand)
| Model Number | Description | Function | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| IS200STAIH2A | Analog Input Terminal Board | Signal Conditioning | 120 x 90 x 40 | 0.45 |
| IS200TBTCH1C | Thermocouple Terminal Board | Temperature Monitoring | 150 x 100 x 50 | 0.5 |
| IS200VTURH1B | Turbine Vibration Monitor Module | Vibration Monitoring | 150 x 100 x 50 | 0.6 |
| IS200TRLYH1A | Relay Output Terminal Board | Relay Output Control | 140 x 95 x 50 | 0.55 |
| IS220UCSAH1A | Universal Control Station | Control & Processing Unit | 160 x 110 x 60 | 0.65 |
| IS200DSPXH1D | Digital Signal Processor Module | Processing and Control | 150 x 100 x 50 | 0.6 |
