The GE DS200TCQCG1A, also cataloged as the DS200TCQC RST Overflow Board (Analog IO Expander Board), operates as a dedicated hardware component for expanded analog signal distribution and bus routing within GE Mark V turbine control systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCQCG1A |
| Brand | General Electric |
| Origin | USA |
| Series | Mark V |
| Functional Acronym | TCQC |
| Board Revision | Group 1, Revision A (G1A) |
| Board Type | RST Overflow Board / Analog IO Expander Board |
| Hardware Jumpers | 24 x Manually-configurable jumpers |
| 40-Pin Connectors | 3 x 40-pin connectors (JFF, JE, 6PL) |
| 34-Pin Connectors | 3 x 34-pin connectors |
| 16-Pin Connectors | 1 x 16-pin connector (JC) |
| Protective Coating | Normal Coating |
| Operating Temp | 0 to 60 deg C |
| Dimensions | Standard GE Mark V Board Size |
| Weight | Standard GE Mark V Board Weight |
| Power Consumption | Backplane bus driven |
Backplane Bus Communication & I/O Density Scaling
The DS200TCQCG1A scales I/O density by serving as an analog expander module connected to the core Mark V architecture. Utilizing a combination of three 40-pin ribbon connectors (JFF, JE, 6PL), three 34-pin connectors, and one 16-pin JC connector, the board maintains high-speed backplane bus communication velocity across expanded processing paths. An array of 24 hardware jumpers enables custom signal routing and operational mode selection, allowing precise physical channel allocation across triple-redundant control cores without introducing bus latencies.
Frequently Asked Questions
Q: What is the primary purpose of the 24 hardware jumpers on the DS200TCQCG1A board?
A: The 24 jumpers configure signal routing, threshold scalings, and operational modes across the expansion channels to match facility-specific turbine control parameters.
Q: Which designated connector IDs are populated on the DS200TCQCG1A?
A: The 40-pin headers are labeled JFF, JE, and 6PL, while the single 16-pin header is designated as JC, facilitating inter-board communication within the Mark V rack.
Q: Is software re-flashing required when replacing a defective DS200TCQCG1A card?
A: No, the board does not require software flashing; replacement requires manually duplicating the 24 jumper positions from the original board onto the new board prior to installation.
Field Installation Guidelines
- Ensure primary system power is fully isolated and follow lock-out/tag-out (LOTO) procedures prior to servicing the rack.
- Wear an anti-static wrist strap connected to a verified cabinet earth ground before removing the replacement board from its protective anti-static bag.
- Place the existing board alongside the replacement unit on a clean, anti-static work surface and visually match all 24 hardware jumper positions before installation.
- Align multi-pin ribbon cables (including JFF, JE, 6PL, and JC) carefully with their corresponding header pins to avoid pin bending or improper seating during reassembly.
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Guide
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