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IC3600SVDD1 — GE Mark I & II Speedtronic Calibrator Board
The IC3600SVDD1 is a legacy calibrator board manufactured by General Electric (GE / GE Fanuc) for the Speedtronic Mark I & II gas turbine control platform. Built as part of the long-established IC3600 board family, it is engineered to perform precise fine-tuning and adjustment of analog signal levels inside the turbine control loop — keeping speed, temperature, and pressure readings accurate and stable over decades of continuous operation.
Because Mark I and Mark II systems are still running in power plants, refineries, and industrial facilities worldwide, boards like the IC3600SVDD1 remain essential for spares strategies, scheduled maintenance, and staged modernization projects where dropping in a compatible module is far more economical than replacing an entire turbine control platform.
Key Specifications
| Manufacturer | General Electric (GE / GE Fanuc) |
| Model / Part Number | IC3600SVDD1 |
| Product Type | Calibrator Board / Control Module |
| Series | Speedtronic Mark I & Mark II |
| Module Category | Boards & Turbine Control |
| Compatibility | GE Mark I & II turbine control systems (drop-in module for legacy racks) |
| Country of Manufacture | United States |
Note: Technical parameters vary by revision and suffix. Always confirm the exact part number printed on the board before ordering.
Product Functions
- Analog signal calibration: Fine-tunes and adjusts analog signal levels within the control loop, including the voltage and current signals coming from sensors and transducers.
- Error correction: Compensates for signal offsets and scaling errors so that speed, temperature, and pressure data are interpreted accurately by the system's processing units.
- Signal simulation & testing: Supports simulated sensor signals, enabling system testing and diagnostics without live sensor input.
- Precision & stability maintenance: Helps maintain the accuracy and stability of critical turbine parameters, supporting safe and efficient turbine operation.
- Seamless system integration: Designed as a direct replacement for older modules, integrating into existing Mark I & II racks with minimal rework and short installation downtime.
Application Scenarios
- Gas & steam turbine control: Installed in GE Mark I & II Speedtronic cabinets for calibration of turbine control loop signals.
- Power generation plants: Keeps legacy turbine controls serviceable for utilities managing long-life assets.
- Oil, gas & petrochemical facilities: Used where GE turbine control platforms regulate mechanical drive and process loads.
- Maintenance & overhaul programs: Sourced as a spare during shutdown windows to minimize rewiring and downtime.
- Legacy system lifecycle support: Supports spares strategies and phased modernization for plants still running Mark I / II controls.
Frequently Asked Questions
What is the IC3600SVDD1?
It is a legacy control module / calibrator board developed by GE as part of the Speedtronic Mark I & II series of gas turbine control systems.
Which systems is it compatible with?
It is designed specifically for GE Mark I and Mark II turbine control systems. It is not intended for use with other control platforms.
Can the board simulate sensor signals?
Yes. Calibrator boards of this type generally allow signal simulation, which is useful for system testing and diagnostics without requiring actual sensor input.
Is it a direct replacement for older modules?
Yes. It is designed to integrate into existing GE Mark I & II systems as a drop-in module, helping keep legacy turbine control platforms serviceable with minimal rewiring.
How do I confirm the correct part number?
Because related variants exist (for example IC3600SVDD1D and other IC3600SSVD1 / SVSD1 drawings), always verify the full part number and revision suffix printed on the physical board, along with its rack position, before ordering.
Are new, unused, and rebuilt units available?
This board is a discontinued legacy part and is typically supplied through industrial spare-parts and repair specialists in unused, rebuilt, or repaired condition. Contact your supplier for current stock and lead time.
