Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | DS200TCQCG1BGF |
| Functional Acronym | TCQC |
| Product Type | RST Overflow Board / Power Feedback Board |
| System Compatibility | GE Mark V Speedtronic |
| Typical Location | Associated with R, S, T cores |
| Primary Functions | Overflow handling, power/servo feedback, signal expansion |
| Connectors | Multiple 40-pin, 34-pin, and auxiliary connectors (e.g., JFF, JE, 6PL, JC) |
| Jumpers | Multiple configuration jumpers (typically ~24 on related TCQC boards) |
| PCB Coating | Normal coating |
| Revision | G1BGF (Functional revision B family) |
4. Product Introduction (Anti-Template)
The DS200TCQCG1BGF is a TCQC-series board used in GE Mark V Speedtronic turbine control systems. It functions primarily as an RST Overflow / Power Feedback board, supporting the R, S, and T control processors.
The board expands analog and feedback signal handling capacity within the core, manages overflow conditions, and interfaces with field devices related to servo valves, LVDT excitation/feedback, and power-related signals. It connects to other Mark V boards via multiple ribbon and pin connectors and includes configuration jumpers that must be set to match the existing system. As with most Mark V boards, it is a legacy component no longer in active production and is typically sourced from surplus or specialized repair channels.
DS200TCQCG1BGF
DS200TCQCG1BGF
DS200TCQCG1BGF
5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm full part number (DS200TCQCG1BGF), revision markings, connector condition, and jumper presence. Photograph all labels.
- Live Rig Testing – Install in a compatible Mark V core or test fixture, apply power, and verify basic backplane communication and signal path continuity where possible.
- QA & Packaging – After inspection, protect all connectors, clean the board, and pack in anti-static protective packaging with desiccant.
- Global Logistics & Export Compliance – Classify under the correct HS code for industrial control circuit boards. Packaging must protect against electrostatic discharge and mechanical shock; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Jumper Configuration – TCQC boards carry multiple jumpers that define signal routing and grounding. Incorrect settings from the previous board will cause functional mismatches.
Connector Integrity – The board uses several high-density ribbon and pin connectors. Bent pins or reversed cables will prevent proper communication with the R/S/T cores.
Core Compatibility – Ensure the board revision is compatible with the existing Mark V hardware and software configuration. Mixing incompatible revisions can lead to feedback errors or overflow faults.
Servo / LVDT Circuits – When the board participates in servo or LVDT loops, incorrect wiring or excitation settings can drive valves to unexpected positions.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified DS200TCQCG1BGF?
As a legacy Mark V board, availability depends on surplus stock. Typical lead time after verification is 3–12 business days plus standard air freight.
What is the function of the DS200TCQCG1BGF?
It is an RST Overflow / Power Feedback Board (TCQC) that supports the R, S, and T cores in a Mark V system.
What system is it used with?
GE Mark V Speedtronic turbine control systems.
Is it still in production?
No. Mark V boards are discontinued by GE and are now supplied through surplus and repair channels.
Does it require jumper configuration?
Yes. Jumpers must be set to match the original board configuration for proper operation.
What are the main connectors?
Multiple 40-pin and 34-pin connectors (commonly including JFF, JE, 6PL, and JC on related TCQC boards).
What should be confirmed before ordering a replacement?
Exact part number including the full revision suffix (G1BGF), jumper settings from the existing board, and compatibility with the target Mark V core.
