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GE DS200TCDAH1BHD Digital I/O Board
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- Part Number: DS200TCDAH1BHD
- Brand: General Electric
- Type: Digital I/O Board
- Dimensions: 4.1x12.5x10.5cm
- Country of Origin: USA
- Barcode: 8537101190
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Additional Specifications
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Product Description
The GE DS200TCDAH1BHD, also cataloged as the DS200TCDA Digital I/O Board, operates as a dedicated hardware component for interfacing digital input and output signals within Speedtronic Mark V Turbine Control System networks.
Suffix Breakdown & Model Matrix
The functional part number DS200TCDAH1BHD is structured to define specific board layers, coating configurations, and revision states:
| Segment | Code | Description |
|---|---|---|
| Board Prefix | DS200 | Standard domestic modular board assembly |
| Functional Acronym | TCDA | Digital Input/Output Board designator |
| Grouping Code | H1 | Group 1 hardware layout configuration |
| Revision 1 | B | First functional hardware modification |
| Revision 2 | H | Second functional hardware modification |
| Artwork Rev | D | Printed circuit board artwork design pattern |
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200TCDAH1BHD |
| Brand | GE General Electric |
| Origin | USA |
| Weight | 1.80 lbs |
| Dimensions | Standard Mark V card slot layout |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Determined by system backplane load |
| PCB Coating | Conformal Coating |
| Jumpers | 8 configurable hardware jumpers (JP1 through JP8) |
| Onboard Diagnostics | 1 side-mounted LED, 1 block of 10 diagnostics LEDs |
| Connectivity | 2 x 3-pin connectors, 2 x 50-pin ribbon connectors |
Power Supply & Interface Bus Technology
The DS200TCDAH1BHD relies on dedicated onboard interface buses and driver chips to execute deterministic digital communication across the turbine control system backplane.
- Backplane Bus Communication Velocity: High-speed data exchange occurs via the dedicated internal IONET network using the JX1 and JX2 daisy-chained connectors. This interface handles physical signaling logic to minimize propagation delays across I/O nodes.
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Signal Interface Integration: Dedicated multi-pin connectors interface with key peripheral boards in the Speedtronic cabinet:
- JP: Accepts direct power distribution from the TCPS board.
- JQ / JR: Interfaces with the DTBA and DTBB termination boards to receive physical contact inputs.
- JO1 / JO2: Routes contact output command lines to the TCRA board.
Frequently Asked Questions
- Q: How must the hardware jumpers JP1 through JP8 be configured when substituting a failed board?
- A: Prior to physical swap-out, technicians must audit and map the jumper shunts on the legacy board. The replacement DS200TCDAH1BHD must have its jumpers manually positioned to mirror the original card's physical layout, as certain factory default positions might clash with site-specific system parameters.
- Q: What is the purpose of the JX1 and JX2 connectors on the TCDA board?
- A: JX1 and JX2 serve as daisy-chained ports to integrate the digital I/O card with the internal IONET communication loop. This allows synchronization of input and output data packets across multiple processors within the Mark V control cabinet.
- Q: Are all eight onboard hardware jumpers intended for customer field configuration?
- A: No. While several jumpers permit site-specific operational changes, specific jumpers are designated strictly for factory testing and must remain in their original post-manufacturing configurations to prevent card malfunction.
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