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- GE
- IS200VAOCH1B
- VME Analog Output Card
- USA
- 280 x 150 x 25 mm
- 0.8 kg
- Xiamen, China
- New & In Stock
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Product Overview
The GE IS200VAOCH1B is a VME Analog Output Card used in GE Mark VI and Mark VIe Speedtronic turbine control systems. It converts digital signals from turbine controllers into precise analog current outputs to drive field devices such as valves, actuators, and control loops.
This module is used in gas and steam turbine systems where accurate analog output is required for safe and efficient turbine operation.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | GE (General Electric) |
| Model | IS200VAOCH1B |
| Product Type | VME Analog Output Card |
| Series | Mark VI / Mark VIe Speedtronic |
| Function | Digital-to-analog signal conversion |
| Output Channels | Typically 16 analog outputs |
| Output Signal Type | 0–20 mA / 4–20 mA current loop |
| System Interface | VME backplane |
| Control System | GE Mark VI turbine control system |
| Architecture | Supports simplex and TMR configurations |
| Feedback | Output current monitoring via terminal board |
| Mounting Type | VME rack module |
| Dimensions | 280 × 150 × 25 mm |
| Weight | 0.8 kg |
Function and Working Principle
The IS200VAOCH1B functions as a digital-to-analog conversion module.
- Receives digital control commands from turbine processors
- Converts digital signals into analog current outputs for field devices
- Supports closed-loop control through current feedback
- Works with redundancy in TMR configurations for fault tolerance
This module ensures accurate and reliable operation of turbine actuators and control loops.
Key Features
- Multiple analog output channels
- 0–20 mA / 4–20 mA industrial output
- High reliability for turbine control applications
- Supports simplex and TMR system configurations
- Feedback monitoring of output currents
- Rugged design for industrial environments
- Continuous operation in power generation systems
Industrial Applications
- Gas turbine actuator and valve control
- Steam turbine control systems
- Power generation plants
- Industrial turbine automation
- Turbine protection and monitoring
- Process control loops in power systems
Role in Industrial Systems
The IS200VAOCH1B serves as the analog output interface:
- Converts digital control signals to real-world analog outputs
- Drives turbine actuators, valves, and control devices
- Provides feedback for closed-loop control
- Supports redundant configurations for reliability
Installation Notes
- Installed in VME backplane systems
- Connects to field devices via terminal boards
- Proper wiring, grounding, and shielding required
- Installation by trained turbine control personnel
Compatible Equipment
- GE Mark VI / Mark VIe turbine control systems
- VME terminal boards
- Gas and steam turbine actuators
- Industrial 4–20 mA field devices
Advantages
- High precision and reliability
- Supports redundant turbine control architectures
- Rugged design for industrial environments
- Enhances turbine safety and operational stability
Limitations
- Designed specifically for GE turbine control systems
- Requires turbine control expertise
- Not suitable for general PLC applications
- Primarily for Mark VI / VIe system architecture
Conclusion
The GE IS200VAOCH1B VME Analog Output Card is a key module for turbine control systems, providing reliable digital-to-analog conversion for actuators and control loops.
It ensures safe, precise, and efficient turbine operation in industrial power generation.