Configured for overspeed protection and flame detection signal routing in Speedtronic Mark V control systems, the GE DS200PTBAG1BBA (DS200PTBA Protection Termination Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200PTBAG1BBA |
| Brand | General Electric |
| Origin | USA |
| Weight | 0.45 kg (1.00 lbs) |
| Dimensions | Standard Mark V PCB Profile |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Passive Board (Passive bus drawing < 2.0 W) |
| Screw Terminals | 79 numbered screw connections across terminal strip assemblies |
| Header Pin Connectors | 4 vertical pin header connectors |
| Protection Components | Metal oxide varistors (MOVs), capacitors, and resistors |
| Mounting & Board Layout | Corner drill holes, board ID, wiring alignment coding |
| Conformal Coating | Normal Assembly Coating |
Backplane Bus & Firmware Architecture
The DS200PTBAG1BBA module interfaces directly with the Mark V core protective architecture via dedicated pin header interfaces to maintain real-time trip circuit execution. Internal signal pathways utilize hardwired parallel traces to maintain deterministic response speeds during turbine overspeed or flame loss conditions. Firmware flash compatibility is governed entirely by the primary control processor core linked to the termination assembly, allowing the hardware revision BBA profile to operate across backward-compatible Mark V system revisions without firmware flashing required on the board itself.
Frequently Asked Questions
Q: Does the DS200PTBAG1BBA support hot-swapping during turbine operation?
A: No. Replacing the board requires isolating field sensor signals and removing power to the associated Mark V protective core section to prevent trip circuit glitches or transient overvoltage exposure.
Q: What is the primary function of the integrated Metal Oxide Varistors (MOVs)?
A: The on-board MOVs suppress voltage surges across incoming field lines, protecting upstream Mark V signal processing circuitry from electrical transients.
Q: How are field wiring connections mapped on this termination board?
A: Field connections route through 79 numbered screw terminals, guided by physical coding marks printed on the board surface to align external field cables with system core connectors.
Field Installation Guidelines
- Ensure total power de-energization of the Mark V protective panel prior to disconnecting field wiring or vertical pin header connectors.
- Secure all four mounting corners using standard standoffs through the pre-drilled corner holes to guarantee physical stabilization and chassis ground reference integrity.
- Maintain strict separation between low-voltage flame detector signal wiring and high-voltage power lines inside the cabinet to prevent signal distortion.
- Tighten screw terminals to 0.5 to 0.6 Nm (4.4 to 5.3 in-lbs) to establish gas-tight connections without stripping screw threads.
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