Description
Product Overview
The GE IS200TDBTH6A is a TMR discrete I/O terminal board. It belongs to the GE Speedtronic Mark VI turbine control system. It acts as a key hardwired signal interface hub for field equipment.
This board integrates digital input and relay output channels. It collects dry contact switch signals from on-site devices. It outputs reliable relay control and alarm signals. It supports triple modular redundant (TMR) operation. It ensures high fault tolerance for critical turbine control loops. It adopts industrial reinforced PCB design. It fits harsh power plant operating environments. It is widely used for system commissioning, board replacement and power plant spare backup.
Core Product Features
The GE IS200TDBTH6A adopts dedicated turbine I/O terminal architecture. It improves signal stability and system redundancy. It guarantees safe and reliable unit operation.
- TMR Redundant Design: Triple modular redundant structure. It enhances system fault tolerance and operational safety.
- Integrated DI/DO Channels: 24 isolated dry contact inputs and 12 Form-C relay outputs. It meets multi-point signal interaction demands.
- High Isolation Performance: Channel group isolation design. It prevents cross-interference between different signal loops.
- Stable Relay Output: Standard Form-C relay contacts. It supports alarm interlock and valve drive control.
- Strong Anti-Interference Ability: Optimized shielding circuit. It resists electromagnetic noise in power plant sites.
- Accurate Signal Sensing: Fixed current limit design. It ensures stable and precise dry contact signal acquisition.
- Easy Installation & Replacement: Standard board size and interface definition. It supports fast plug-and-play replacement.
- 24/7 Continuous Operation: Industrial-grade components support long-term full-load stable operation.
Detailed Technical Specifications
All technical parameters comply with GE Mark VI industrial control standards. Each board passes strict signal testing and aging screening before delivery.
- Official Model: IS200TDBTH6A
- Product Type: TMR Discrete I/O Terminal Board
- Applicable System: GE Speedtronic Mark VI Turbine Control System
- Core Function: Dry contact signal acquisition, relay output control, system signal docking
- Input Channels: 24 group-isolated dry contact sensing inputs
- Output Channels: 12 Form-C relay driver outputs
- Field Wetting Voltage: 125 V DC nominal (100–145 V DC range)
- Input Current Limit: 2.5 mA (Ch1–21), 10 mA (Ch22–24)
- Working Power Consumption: Maximum 10W
- Isolation Mode: Independent group electrical isolation
- Operating Temperature Range: -20°C to +70°C
- Storage Temperature Range: -40°C to +85°C
- Working Humidity: 5%–95% RH, non-condensing environment
- Installation Method: Standard cabinet plug-in installation
- Continuous Operation: Support 7×24 hours full-load uninterrupted operation
- Industrial Certification: CE, UL and EMC electromagnetic compatibility certification
Main Application Fields
This TMR I/O terminal board focuses on high-reliability turbine signal interaction scenarios. It provides stable signal docking support for power generation control systems.
- Gas & Steam Turbine Control: It collects switch status of turbine auxiliary devices. It outputs interlock and trip control signals.
- Power Unit Safety Protection: It executes alarm trigger and safety interlock logic. It ensures timely protection actions for unit faults.
- Substation Automation System: It monitors breaker status and local button signals. It realizes on-site equipment linkage control.
- Combined-Cycle Power Plant: It matches multi-unit control cabinets. It supports stable signal interaction of the whole system.
- Old System Renovation & Maintenance: It replaces aging I/O terminal boards. It upgrades system signal stability and redundancy performance.
Related Model Recommendations
The following Mark VI series models are fully compatible with IS200TDBTH6A. They meet system matching, replacement and function expansion needs.
- IS200TBCIH1BBC: Turbine basic control interface board. It cooperates with I/O boards to complete system signal scheduling.
- IS200TPROH1BBB: Relay output board. It assists in expanding system switch control capacity.
- IS200TVIBH2BBB: Vibration monitoring board. It forms complete signal acquisition and control loops with terminal boards.
- IS420ESWBH2A: Industrial Ethernet switch board. It guarantees stable transmission of I/O signal data.
