Description
The GE IS200TSVCH2AED (MRP246517) is an advanced terminal board and I/O interface module engineered specifically for General Electric’s Mark VI and Mark VIe distributed control systems (DCS). Designed for heavy industrial gas and steam turbine management, this component provides critical signal termination, high-reliability terminal connections, and robust electrical isolation for turbine control instrumentation.
Engineered to stringent quality standards, the module ensures secure signal routing and protects sensitive control processors from electrical noise, voltage transients, and field-side surges. Its modular architecture allows seamless integration into standard Mark VIe control racks, supporting continuous, fail-safe operation in demanding power generation and industrial automation environments.
📊 Product Datasheet & Technical Parameters
- Brand: General Electric (GE)
- Model: IS200TSVCH2AED
- Internal Tracking / Part Identifier: MRP246517
- Series: Mark VI / Mark VIe Turbine Control Series
- Product Name: Servo Control Terminal Board (TSVC)
- Place of Manufacture: United States / Global GE Manufacturing Facilities
- Physical State: Solid-State Printed Circuit Board Assembly with Screw Terminals
- Dimensions: Standard Mark VIe DIN-rail / panel-mountable footprint (~150 mm x 100 mm x 40 mm variant dependent)
- Weight: ~0.5 kg
- Power Rating: Low-voltage control logic and loop-powered circuit interface (Supports standard 24VDC rail distribution)
🛠️ Operational Specifications & Usage Methods
Installation of the GE IS200TSVCH2AED module must be executed by certified technicians within a de-energized, ESD-controlled electrical enclosure. Securely mount the board to the designated backplane or chassis rails, ensuring that all fastening screws are torqued correctly to maintain grounding continuity.
During operational cycles, maintain ambient cabinet temperatures between 0°C and 60°C, with non-condensing relative humidity levels kept below 95%. Verify that all field wiring connected to the screw terminals is properly stripped, secured, and shielded to prevent electromagnetic interference.
🛑 Emergency Shutdown Procedure
In the event of an electrical emergency, turbine trip, or critical system malfunction, execute the primary facility emergency shutdown sequence to cut high-voltage power feeds to the associated turbine actuators and control loops.
Isolate all auxiliary 24VDC control power supplies feeding the Mark VIe I/O racks. Wait for internal circuits to discharge fully and verify zero energy state via multi-meter testing before servicing or disconnecting terminal wiring.
🔍 Troubleshooting & Common Issues
Common field anomalies typically involve loose terminal connections, wiring corrosion, or signal degradation caused by environmental moisture and dust accumulation. If a channel fault is indicated by the controller, inspect the corresponding screw terminals for secure mechanical seating.
Verify that cable shielding is properly grounded at the designated grounding bar to eliminate common-mode noise. Use static-safe compressed air to clear particulate buildup from the board surface during scheduled inspections.
🧰 Routine Maintenance & Servicing
Establish a routine semi-annual maintenance schedule to verify long-term operational integrity. Inspect all terminal screws, wiring harnesses, and plug-in connectors for signs of thermal stress, vibration loosening, or oxidation.
Clean exterior surfaces using a dry, anti-static brush or cloth. Avoid applying liquid cleaning agents or solvents directly onto electronic components or terminal blocks.
❓ Frequently Asked Questions (Q&A)
- Q1: What is the primary function of the GE IS200TSVCH2AED board?
- A1: It serves as a terminal board (TSVC) designed to interface field signals with Mark VI/VIe control systems, specifically for servo valve and actuator regulation.
- Q2: Is this terminal board compatible with Mark VIe systems?
- A2: Yes, it is specifically designed for integration within Mark VI and Mark VIe distributed control architecture racks.
- Q3: What precautions are necessary when replacing this module?
- A3: Replacement must always be performed with the rack de-energized, utilizing proper ESD wrist straps and verifying all wiring labels before reconnection.



