Description
1. Product Title
GE IS200VCRCH1B – VME Discrete Input/Output Control Board
2. Product Overview
TheIS200VCRCH1B is a high-density Discrete Input/Output (I/O) board developed for the GE Mark VI Control System. Operating on the Versa Module Europa (VME) bus architecture, its primary function is to process a large volume of digital signals between the central controller and field-level equipment. The IS200VCRCH1B manages the state of switches, contacts, and relays, ensuring that the control system can monitor field conditions and execute command logic in real-time. This module solves the challenge of high-speed digital signal synchronization in power generation environments, providing the robust electrical isolation and reliability required for turbine and generator control.
3. Technical Specifications
- Brand: General Electric (GE)
- Model:IS200VCRCH1B
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VI Innovation Series
- Architecture: VMEbus (6U Height)
- I/O Type: Discrete (Digital) Input/Output
- Voltage Rating: Supports standard 24V DC, 48V DC, or 125V DC logic levels (interface dependent)
- Communication: High-speed parallel VME backplane interface
- Front Panel: Includes status LEDs for board health and diagnostic indicators
- Operating Temp: 0°C to +60°C (32°F to 140°F)
4. Key Features & Benefits
- High-Density Signal Processing: Capable of handling multiple discrete channels simultaneously, reducing the number of VME slots required for large-scale I/O counts.
- VMEbus Compatibility: Designed for seamless integration into standard 6U VME racks, allowing for high-speed data throughput and low-latency communication with the main processor.
- Onboard Diagnostics: The <span style=”color: blue;”>IS200VCRCH1B</span> features localized hardware monitoring that identifies circuit faults or communication errors, facilitating rapid troubleshooting and reducing downtime.
- Ruggedized Design: Built with industrial-grade components capable of withstanding the thermal and electromagnetic stresses common in heavy industrial control rooms.
5. Application Scenarios
- Turbine Sequence Control: Used to monitor the status of limit switches, oil pressure switches, and fuel valve feedback in steam or gas turbine systems.
- Balance of Plant (BoP) Automation: Deployed to manage auxiliary equipment such as cooling pumps, ventilation fans, and lubrication systems within a power facility.
- Emergency Shutdown (ESD) Monitoring: Integrates digital safety inputs into the Mark VI logic to ensure coordinated responses during plant-wide trip events.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the IS200VCRCH1B ?
- A: It is a VME-based digital interface board that processes discrete inputs and outputs for the GE Mark VI control platform.
- Q: Does the IS200VCRCH1Brequire a specific terminal board?
- A: Yes, this VME board typically interfaces with terminal boards like the TBTCH or TBCIH via 37-pin D-type cables to connect to field wiring.
- Q: What does the “H1B” revision indicate?
- A: The “H1B” suffix denotes the specific hardware revision. In the GE Mark VI series, matching these revisions is critical for maintaining compatibility in redundant (TMR) systems.





