Description
GE DS200TCTGG1AFF is a simplex trip board from GE’s Speedtronic Mark V series, serving as a critical protection module for gas turbine systems by enabling rapid safe shutdown during abnormal conditions. GE DS200TCTGG1AFF features 32 isolated output channels (jumper-selectable as Form A/SPST-NO or Form B/SPST-NC) to control trip solenoids, interposing relays, and other safety-critical devices. GE DS200TCTGG1AFF integrates comprehensive protection logic for overspeed, underspeed, overcurrent, and overvoltage faults, with configurable safe-state (FAILOPT) and self-test capabilities for diagnostic reliability. GE DS200TCTGG1AFF supports multiple communication protocols (Modbus, Ethernet/IP) and RS-232/485 interfaces, enabling seamless integration with SCADA systems for remote monitoring. GE DS200TCTGG1AFF’s modular design with plug-in relays and standardized connectors allows quick on-site replacement, while its aluminum alloy housing and IP20 protection ensure durability in harsh industrial environments. GE DS200TCTGG1AFF operates on 24V DC power, with 1500V AC channel-to-channel isolation and surge absorbers to withstand electrical disturbances.
Technical Parameters GE DS200TCTGG1AFF
| Parameter | Value |
|---|---|
| Product Model | GE DS200TCTGG1AFF (Mark V Simplex Trip Board) |
| Core Function | Turbine over/underspeed protection, overcurrent/overvoltage protection, safe shutdown control, remote monitoring |
| Output Channels | 32 isolated channels (Form A/Form B, jumper-selectable per channel) |
| Contact Type | AgSnO2 (high durability for safety applications) |
| Voltage Ratings | Input/Control: 24V DC; Max Load: 250V AC (RMS)/125V DC; Minimum Load: 12V DC |
| Current Ratings | Steady-state: 3A (125/250V AC resistive), 3A (30V DC resistive); Surge: 10A for 4s (10% duty cycle) |
| Isolation | Channel-to-channel/channel-to-logic: 1500V AC RMS/±1500V DC |
| Response Time | Turn-on: ≤20ms; Turn-off: ≤20ms |
| Communication | RS-232/485, CAN; Protocols: Modbus, Ethernet/IP (configurable) |
| Operating Temperature | -40°C to 85°C |
| Storage Temperature | -55°C to 90°C |
| Dimensions | 12.2×7.6×2.5cm |
| Weight | Approx. 0.8kg |
| Protection Rating | IP20 |
| Certifications | UL, CE, industrial safety compliant |
Advantages and Features GE DS200TCTGG1AFF
- Flexible Channel Configuration: 32 jumper-selectable Form A/Form B channels adapt to diverse trip solenoid and relay control needs.
- Comprehensive Fault Protection: Covers overspeed, underspeed, overcurrent, and overvoltage faults with configurable safe-state for fail-safe operation.
- Built-in Diagnostics & Self-Test: Self-test capability and extensive internal diagnostics ensure data integrity and simplify troubleshooting.
- Seamless System Integration: Multiple communication protocols and interfaces enable easy connection to SCADA and Mark V control systems.
- Rugged & Modular Design: IP20 protection, aluminum alloy housing, and plug-in components ensure durability and quick on-site maintenance.
- Reliable Electrical Resilience: 1500V AC isolation and surge absorbers withstand electrical disturbances in industrial environments.
Application Cases
- Gas Turbine Power Plant: A 380MW plant deployed GE DS200TCTGG1AFF in its Mark V control system. Its overspeed protection detected a rotor imbalance, triggering a safe shutdown and avoiding turbine damage.
- Petrochemical Refinery: A refinery used GE DS200TCTGG1AFF to control trip solenoids in a gas processing unit. The module’s self-test function identified a faulty relay early, reducing unplanned downtime by 16 hours.
- Natural Gas Processing Facility: The facility integrated GE DS200TCTGG1AFF for overpressure protection. Its 32 configurable channels allowed customization for 8 trip solenoids, while Ethernet/IP integration enabled remote status monitoring.
Comparison with Competitors
| Parameter | GE DS200TCTGG1AFF | Siemens 6ES7 326-1BK02-0AB0 | Rockwell 1756-OB16E |
|---|---|---|---|
| Type | Mark V-Specific Simplex Trip Board | S7-300 Digital Output Module | ControlLogix Analog Output Module |
| Channels | 32 (Form A/Form B selectable) | 8 (fixed digital output) | 16 (fixed analog output) |
| Fault Protection | Overspeed/underspeed/overcurrent/overvoltage | Basic short-circuit | Limited overcurrent |
| Diagnostics | Self-test + internal diagnostics | Basic fault indication | Module-level diagnostics |
| Isolation | 1500V AC | 500V AC | 500V AC |
| Key Edge | Turbine-optimized protection, flexible channels, Mark V integration | Low-cost, S7-300 ecosystem compatibility | High-density analog output |
Selection Recommendations
- Choose GE DS200TCTGG1AFF for Mark V gas turbine systems needing simplex trip control with diverse fault protection.
- Prefer GE DS200TCTGG1AFF for applications requiring 32 configurable channels (Form A/Form B) for trip solenoids or relays.
- Select GE DS200TCTGG1AFF when remote monitoring via Modbus/Ethernet/IP and built-in self-test are critical for maintenance.
- Use GE DS200TCTGG1AFF in harsh industrial environments (-40°C to 85°C) where ruggedness and electrical resilience are essential.
Precautions
- Ensure the 24V DC power supply is stable to maintain GE DS200TCTGG1AFF’s protection logic and diagnostic functions.
- Follow jumper configuration guidelines strictly when setting channels to Form A/Form B to avoid control errors.
- Adhere to ESD protocols when handling GE DS200TCTGG1AFF to protect its sensitive electronic components.
- Regularly verify communication connections (RS-232/485, Ethernet/IP) to ensure uninterrupted remote monitoring and control.
- Periodically test the self-diagnostic function to confirm GE DS200TCTGG1AFF’s fault detection capability remains reliable.
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