The General Electric DS200TCDAH1B, also cataloged as the DS200TCDA Digital I/O Board, operates as a dedicated hardware component for contact signal processing and network communication routing within Mark V Speedtronic Turbine Control System platforms.
| Parameter | Specification |
|---|---|
| Model | DS200TCDAH1B |
| Brand | General Electric |
| Origin | USA |
| Weight | Standard PCB weight (~0.55 kg / 1.2 lbs) |
| Dimensions | Standard Mark V full-height circuit board profile |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Standard backplane power rail draw |
| Series | Mark V |
| Functional Acronym | TCDA |
| Functional Revision | Revision B |
| PCB Coating | Conformal Coating |
| Processor Architecture | Onboard microprocessor with socketed PROM modules |
| Status Display | 1 Block of 10 diagnostic LEDs, 1 side-visible status LED |
| Ribbon Interface | 2 50-pin ribbon connectors (Designated JQ and JR) |
| Auxiliary Connectors | 2 3-pin connectors (Designated JX1 and JX2) |
| Hardware Jumpers | 8 Position jumpers (JP1/J1 through JP8/J8) |
| Diagnostic Aids | Multiple board circuit test points (Designated TP prefix) |
Interfacing directly with the Speedtronic Mark V control core, the module coordinates discrete logic processing across deterministic IONET communication channels. Channel-to-channel communication latencies are minimized via onboard microprocessor management, ensuring synchronized data exchange across redundant control paths. The integrated conformal coating provides environmental protection against atmospheric contaminants, preserving signal trace integrity and preventing bus noise during continuous high-density I/O scanning cycles.
Q: What specific functions do jumpers J2, J3, J4, J5, and J6 perform on the DS200TCDAH1B?
A: Jumpers J2 and J3 configure the IONET termination resistors, while jumpers J4, J5, and J6 establish the hardware IONET ID assignment for network node identification.
Q: How do the 50-pin connectors JQ and JR interface with companion terminal boards?
A: Connector JQ connects to connector JQR on the DS200DTBA board via a 50-pin ribbon cable, while connector JR receives digital contact input signals from the DS200DTBB expansion board.
Q: Which jumpers are reserved strictly for factory testing and must remain unaltered?
A: Jumpers J1 and J8 are configured exclusively for factory testing routines and must not be adjusted or accessed during normal operational service.
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