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Description
Product Overview
The GE DS200TCRAGIABC is a Relay Output Board engineered for GE’s Mark V Speedtronic turbine control system, designed to deliver precise relay-based actuation and signal conditioning in mission-critical industrial environments. As part of the legacy DS200 series, this module plays a pivotal role in managing safety-critical operations across steam, gas, and wind turbine systems, ensuring reliable control of solenoid valves, motor starters, and auxiliary equipment.
Built for the Digital I/O Core (QD or C Core) of the Mark V system, the GE DS200TCRAGIABC integrates 30 plug-in Mag-Trol relays (0.5A rating) to execute control commands with high precision. Its 4×34-pin connectors (JOR, JOS, JOT, JO) and 4×12-pin connectors (JS3, JS4, JS5, JS6) enable seamless integration with expansion boards like DTBC and DTBD, enhancing system scalability. The module’s Triple Modular Redundancy (TMR) architecture ensures continuous operation even if one channel fails, making it indispensable for applications where downtime is costly, such as power plants and offshore platforms.
Key functionalities include relay logic control, signal isolation, and diagnostic feedback, supporting real-time monitoring of turbine health parameters. The board’s PCB coating and IP20-rated housing protect against dust, moisture, and electromagnetic interference, ensuring durability in harsh conditions with temperatures ranging from -20°C to +60°C.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200TCRAGIABC |
| Manufacturer | GE (General Electric) |
| Product Type | Relay Output Board |
| Series | Mark V Speedtronic |
| Input Voltage | 24V DC ±10% |
| Relays | 30 plug-in Mag-Trol relays (0.5A) |
| Connectors | 4×34-pin, 4×12-pin |
| Redundancy | Triple Modular Redundancy (TMR) |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Physical Dimensions | 3U form factor (100 mm x 160 mm) |
| Weight | ~1.54 kg |
| Terminals | 154 (77 per block via TB1/TB2) |
| Protection Class | IP20 |
Main Features and Advantages
High-Reliability Relay Control:
The GE DS200TCRAGIABC ensures fault-tolerant operation through its TMR architecture, which cross-checks signals across three independent channels to minimize downtime risks. Its 30 replaceable relays handle 0.5A loads, making them ideal for actuating emergency trip valves, bypass systems, and anti-surge controls in turbine applications.
Flexible System Integration:
With 4×34-pin and 4×12-pin connectors, the board integrates seamlessly with other Mark V modules, including the DS200TBQBG1ACB analog terminal board and DS200TCEAG1BSF emergency overspeed board. This compatibility allows for scalable control solutions in complex turbine setups.
Industrial-Grade Durability:
Constructed with a PCB coating to resist environmental contaminants, the module operates reliably in extreme conditions. Its 3U form factor and robust mounting design ensure stability in high-vibration environments typical of power generation and heavy industry.
Simplified Maintenance:
Diagnostic LEDs and jumper configurations enable quick fault identification, while field-replaceable relays reduce repair time. The board’s compatibility with GE’s Control Builder software supports firmware updates and configuration adjustments without system downtime.
Application Areas
Power Generation:
In coal-fired and combined-cycle power plants, the GE DS200TCRAGIABC controls steam turbine valves, lubrication pumps, and bypass systems. Its TMR architecture ensures uninterrupted operation during load fluctuations, while relay logic safeguards against overspeed or mechanical failures.
Oil & Gas:
Offshore platforms and refineries use this module to manage compressor anti-surge valves, emergency shutdown systems, and hydraulic actuators. The board’s redundant design and high-temperature tolerance make it suitable for 24/7 operations in corrosive and high-pressure environments.
Heavy Industry:
Steel mills and cement plants rely on the GE DS200TCRAGIABC to integrate with PLCs and robotic systems for conveyor belt control, furnace dampers, and material handling equipment. Its diagnostic capabilities enable predictive maintenance, optimizing production efficiency.
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Installation and Maintenance
Installation Preparation:
Mount the GE DS200TCRAGIABC in a grounded VME rack with proper ventilation. Use two technicians to handle the board due to its weight (~1.54 kg) and fragile relay components. Align connectors with compatible Mark V modules and secure with screws at all four corners.
Maintenance Recommendations:
Conduct quarterly inspections for loose connections and relay wear. Replace backup batteries every 5 years to maintain configuration data. Update firmware via GE’s Control Builder software to ensure compatibility with system upgrades and enhance diagnostic capabilities.
Product Warranty
The GE DS200TCRAGIABC is backed by a 1-year warranty covering defects in materials and workmanship. Authorized distributors provide 24/7 technical support, including remote diagnostics and on-site repair services. With spot inventory and 3-day delivery after payment, customers can minimize downtime and maintain operational continuity. For legacy system upgrades, consult with GE representatives to ensure long-term support and compatibility.
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