Model: DS200PTBAG1 (common revisions: DS200PTBAG1A, DS200PTBAG1ABA, DS200PTBAG1B, etc.)
Brand: GE (General Electric) / GE Fanuc
Series: Mark V Speedtronic / DS200
Core Function: Protection Termination Module (PTBA) for the GE Mark V turbine control system. Terminates and conditions critical protection signals in the independent protection core (), including flame detection, shaft speeds (overspeed), generator/bus voltages, and generator currents, before routing them to processing boards.
HS Code: 8537.10 / 8538.90 (Boards and panels for electric control / Parts suitable for electrical control apparatus)
Product Parameters
| Parameter | Specification |
|---|---|
| Product Type | Protection Termination Module / Terminal Board |
| Functional Acronym | PTBA |
| System | GE Mark V Speedtronic Turbine Control |
| Location | core (Independent Protection Module) |
| Primary Signals Terminated | Flame detection, High/Low-pressure shaft speeds, Generator & bus voltages, Generator currents, Protective inputs |
| Key Connectors | Multiple plugs and vertical pin connectors (e.g., JM/JN for breaker signals, JU for emergency overspeed, JV for voltages) |
| Alarm Function | Jumper J1 enables/disables audible horn alarm on associated TCEB board |
| Typical Dimensions | Approx. 3″ × 11–11.5″ (varies slightly by revision) |
| Weight | Typically < 1 kg (less than 2 lbs) |
| Revisions | Multiple (A, ABA, B, BAA, BBA, etc.) – check exact revision for compatibility |
Advantages and Features
- Dedicated termination for critical turbine protection signals
- Supports overspeed protection and flame detection circuits
- Routes conditioned signals to TCEB () or TCQE () boards
- Includes hardware jumper for local alarm horn control
- Robust design for continuous operation in turbine control environments
- Multiple revision options for system matching and backward compatibility
- Essential interface between field sensors and Mark V protection logic
- Proven reliability in gas and steam turbine applications
Application Cases in Application Fields
- Signal termination in GE Mark V Speedtronic turbine control systems
- Independent protection core () for gas and steam turbines
- Overspeed protection and flame detection circuits
- Generator and bus voltage/current monitoring interfaces
- Power generation plants using Mark V controls
- Industrial turbine packages requiring dedicated protection termination
- Maintenance, repair, and spare parts support for legacy Mark V systems
Comparisons with Competing Products
| Aspect | GE DS200PTBAG1 (PTBA) | Other Mark V Termination Boards (e.g., DTBA, TBQA) | Modern Mark VIe / Mark VIeS Modules |
|---|---|---|---|
| Function Focus | Protection signal termination | Specific I/O types (digital, analog, RTD) | Integrated digital I/O & protection |
| System | Mark V specific | Mark V | Newer platforms |
| Signal Types | Overspeed, flame, voltages, currents | Varies by board | Broader / configurable |
| Best For | Independent protection core | General I/O termination | New installations / upgrades |
Selection Suggestions and Precautions
Selection Suggestions:
- Confirm the exact revision (e.g., DS200PTBAG1ABA, DS200PTBAG1B) matches the existing system or required compatibility.
- Verify the board is intended for the protection core.
- Check connector types and signal mapping against the turbine control drawings.
- Ensure associated boards (TCEB, TCQE, etc.) are compatible.
Precautions:
- This is a critical protection-related board — incorrect installation can affect turbine safety functions.
- Always follow GE Mark V installation, grounding, and ESD handling procedures.
- Confirm jumper settings (especially J1 for the alarm horn) according to site requirements.
- Use only genuine GE cables and terminations.
- When replacing, match the revision carefully; not all revisions are fully interchangeable.
- De-energize and follow lockout/tagout procedures before working on the control panel.
Recent Popular Same-Brand / Related Models
- DS200PTBAG1ABA / DS200PTBAG1BAA / DS200PTBAG1BBA — Common revisions
- DS200TCEAG1 / TCEB series — Related protection and emergency overspeed boards
- DS200TCQE — Associated processing board
- Other Mark V termination boards (DTBA, TBQA, TBCB, etc.)
- Mark V power supplies and chassis components
- Migration options toward Mark VIe systems
