Description
Product Technical Parameters
| Feature | Specification |
|---|---|
| Brand | General Electric (GE) |
| Model | DS200PTBAG1A |
| Series | Mark V Speedtronic |
| Revision | REV DC |
| Board Type | RST Analog Termination Board |
| Signal Channels | Multiple Analog I/O (R, S, and T cores) |
| Redundancy | Triple Modular Redundant (TMR) Support |
| Connection Type | Terminal blocks and ribbon cable headers |
Product Datasheet
| Attribute | Details |
|---|---|
| Dimensions | 28.1 cm x 17.8 cm x 4.2 cm |
| Weight | 0.95 kg (approx. 2.09 lbs) |
| Country of Origin | USA |
| Operating Temperature | -30 to +65°C (-22 to 149°F) |
| Storage Temperature | -40 to +85°C |
| Humidity | 5% to 95% non-condensing |
| Mounting | Cabinet-mounted via standoffs |
Application Fields
The DS200PTBAG1A is a core termination module used in GE’s legacy turbine control systems. Key applications include:
- Gas and Steam Turbine Control (Mark V Series)
- Triple Modular Redundant (TMR) signal voting systems
- High-reliability industrial power plant management
- Analog signal marshaling for R, S, and T control cores
- Critical sensor interface for fuel and air control loops
Product Instructions
- Installation: Ensure the control cabinet is fully de-energized. Mount the DS200PTBAG1A using the specified mounting holes to ensure proper grounding to the chassis.
- Wiring: Field analog signals should be landed on the screw terminal blocks. Ensure that shielded twisted-pair cables are used and that the shield is grounded at the designated point on the board to prevent EMI interference.
- Ribbon Cables: Connect the 3PL cables from the PTBA board to the appropriate I/O cards in the R, S, and T cores. Ensure the connectors are fully seated and the locking tabs are engaged.
- Revision Matching: Verify that the “REV DC” hardware revision matches the configuration in your system software. Mismatched revisions can lead to signal scaling errors or diagnostic faults.
Product Q&A
Q: What does the “RST” in the product name refer to? A: It refers to the Triple Modular Redundancy (TMR) architecture of the Mark V system, where “R”, “S”, and “T” are the three independent control cores that vote on signals to ensure system reliability.
Q: Is the DS200PTBAG1A hot-swappable? A: No. Because this board handles primary analog terminations for the control cores, removing it while the turbine is online will cause a loss of signal feedback and likely trigger a system trip.
Q: How do I troubleshoot a signal discrepancy on this board? A: Check for loose connections at the terminal blocks first. If the wiring is secure, verify the onboard fuses and use a signal generator to simulate an input to determine if the board or the downstream I/O card is faulty.
Q: Can this board be used in a Simplex (non-TMR) system? A: While designed for TMR, the PTBA board can be used in Simplex applications, though many of the redundant connection points will remain unused.
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