+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The GE DS200TCRAG2A is a Relay Output Board designed for GE’s Mark V Speedtronic turbine control system, serving as a critical component for relay-based actuation and signal conditioning in industrial environments. As part of the legacy DS200 series, this module is specifically engineered for the Q11 and Q51 cores of the Mark V system, enabling precise control of solenoid valves, motor starters, and safety-critical equipment in steam, gas, and wind turbine applications .
Key to its functionality is the integration of 30 plug-in Mag-Trol relays (0.5A rating), which execute control commands with high precision. The board features 4×12-pin connectors (JS5, JS6, JS7, JS8) for seamless integration with expansion boards like DTBC and DTBD, enhancing system scalability. Unlike some modern modules, the DS200TCRAG2A relies on hardware jumpers on connected terminal boards for configuration rather than software adjustments, ensuring reliability in mission-critical setups .
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200TCRAG2A |
| 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 | 4×12-pin (JS5, JS6, JS7, JS8) |
| 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 (via TB1/TB2 terminal blocks) |
| Protection Class | IP20 |
Main Features and Advantages
Core-Specific Relay Configuration:
The DS200TCRAG2A adapts to different core requirements within the Mark V system. When installed in the Q11 core, it activates 4 relays for gas manifold blow-off valves, while in the Q51 core, 18 relays power solenoid outputs. This flexibility makes it suitable for diverse turbine control scenarios, including emergency shutdown systems and anti-surge controls .
Hardware-Based Configuration:
Unlike software-configurable modules, the DS200TCRAG2A uses jumpers on DTBC/DTBD terminal boards for relay setup, eliminating risks associated with firmware errors. This design ensures stability in high-reliability environments where downtime is costly .
Industrial-Grade Durability:
With a PCB coating and IP20-rated housing, the module resists dust, moisture, and electromagnetic interference. Its 3U form factor and robust mounting design ensure operation in high-vibration settings, such as power plants and offshore platforms .
Application Areas
Power Generation:
In coal-fired and combined-cycle plants, the DS200TCRAG2A controls steam turbine valves, lubrication pumps, and bypass systems. Its TMR architecture ensures continuous 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 environments .
Heavy Industry:
Steel mills and cement plants integrate the DS200TCRAG2A with PLCs for conveyor belt control, furnace dampers, and material handling equipment. Its diagnostic LEDs enable predictive maintenance, optimizing production efficiency .
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Installation and Maintenance
Installation:
Mount the DS200TCRAG2A in a grounded VME rack with proper ventilation. Align connectors with DTBC/DTBD boards and secure with screws. Use two technicians to handle the board due to its weight (~1.54 kg) and fragile relay components .
Maintenance:
- Quarterly Inspections: Check for loose connections and relay wear.
- Battery Replacement: Replace backup batteries every 5 years to retain configuration data.
- Firmware Updates: Ensure compatibility with system upgrades via GE’s Control Builder software.
Product Warranty and Availability
The GE DS200TCRAG2A is backed by a 1-year warranty covering defects in materials and workmanship. Authorized distributors offer 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. For legacy system upgrades, consult GE representatives to ensure long-term support .
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