+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The GE DS200TCQCG1ADB is a RST Overflow Board engineered for GE’s Mark V Speedtronic turbine control system, serving as a critical component for analog signal conditioning and expansion in industrial automation. Belonging to the legacy DS200 series, this module processes high-frequency encoder signals, analog inputs, and actuator commands, enabling real-time monitoring and regulation in mission-critical environments such as power generation, oil & gas, and heavy manufacturing.
As part of the Mark V system’s Digital I/O architecture, the GE DS200TCQCG1ADB interfaces with analog transducers (e.g., LVDTs, RTDs, thermocouples) and digital sensors to convert raw signals into standardized outputs for the control processor. It features 24 configurable jumpers and 3×40-pin, 3×34-pin, and 1×16-pin connectors for versatile signal routing, supporting input frequencies up to 500 kHz and excitation voltage for LVDT/RVDT sensors. The module’s triple modular redundancy (TMR) ensures continuous operation even if one channel fails, making it essential for applications where signal loss could lead to system instability.
The ADB suffix denotes a specific hardware revision, likely incorporating enhanced signal conditioning and improved EMC shielding compared to previous variants. Its rugged design, with PCB coating for EMC protection and IP20 housing, ensures reliability in harsh conditions (-20°C to +60°C) with resistance to vibration and electromagnetic interference.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200TCQCG1ADB |
| Manufacturer | GE (General Electric) |
| Product Type | RST Overflow Board (Analog I/O Expander) |
| Series | Mark V Speedtronic |
| Input Voltage | 24V DC ±10% |
| Connector Configuration | 3×40-pin, 3×34-pin, 1×16-pin |
| Jumpers | 24 (configurable for signal scaling) |
| Max. Input Frequency | 500 kHz |
| Redundancy | Triple Modular Redundancy (TMR) |
| Operating Temp. | -20°C to +60°C |
| Storage Temp. | -40°C to +85°C |
| Physical Dimensions | 3U form factor (100 mm x 160 mm) |
| Weight | ~1.2 kg |
| Protection Class | IP20 |
| Signal Conditioning | Supports LVDT/RVDT excitation |
Main Features and Advantages
High-Precision Signal Conditioning:
The GE DS200TCQCG1ADB ensures accurate analog signal processing with configurable scaling for LVDT/RVDT sensors, thermocouples, and RTDs. Its 24 jumpers allow field-adjustable gain and offset settings, minimizing noise and ensuring reliable feedback even in high-vibration environments like offshore platforms or steel mills.
TMR Redundancy for Critical Operations:
The triple modular redundancy architecture cross-checks signals across three independent channels, maintaining operation even during single-channel failures. This design is vital for safety-critical systems, such as emergency shutdown sequences in oil refineries or turbine overspeed protection.
Industrial-Grade Durability:
With ADB hardware revisions, the module incorporates improved EMC shielding (meets EN 61000-6-2:2019) and thermal management, making it suitable for harsh environments. It withstands extreme temperatures, vibrations, and electrical noise in offshore platforms, steel mills, and chemical plants.
Flexible Configuration and Diagnostics:
Compatible with GE’s Control Builder software, the DS200TCQCG1ADB allows on-the-fly parameter adjustments (e.g., sensor type, signal range) and supports hot-swapping for maintenance without system shutdown. Built-in diagnostic LEDs and self-tests simplify troubleshooting, reducing downtime.
Application Areas
Power Generation Sector:
In coal-fired and combined-cycle plants, the GE DS200TCQCG1ADB monitors steam turbine speeds and positions for grid synchronization, adjusting fuel valves in real time to maintain stable power output. Its LVDT excitation capabilities are critical for precise control of turbine governor actuators.
Oil & Gas Operations:
Offshore platforms and refineries use this module for compressor speed control and anti-surge valve adjustment. Its TMR architecture ensures uninterrupted operation in high-pressure environments, where equipment failure could lead to safety hazards or production losses.
Heavy Industrial Automation:
Steel mills and cement plants integrate the DS200TCQCG1ADB with robotic arms and conveyor systems, providing precise position feedback for material handling. Its rugged design withstands the constant vibration from heavy machinery, ensuring consistent process control.
Aerospace Testing Facilities:
Used in jet engine test stands, the module processes high-speed encoder signals from rotational sensors, enabling accurate performance analysis under extreme conditions. Its EMC protection guards against interference from testing equipment.
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Installation and Maintenance
Installation Preparation:
Mount the GE DS200TCQCG1ADB in a grounded VME rack within the Mark V system. Connect shielded analog cables to the 40-pin and 34-pin connectors, ensuring minimal electromagnetic interference. Use GE Control Builder software to configure jumper settings (e.g., sensor type, gain) and enable TMR redundancy. Verify proper ventilation to maintain optimal operating temperature.
Maintenance Recommendations:
- Quarterly Inspections: Check connectors for corrosion and cable integrity, especially in high-vibration environments.
- Annual Diagnostics: Run built-in tests via Control Builder to verify channel redundancy and signal accuracy. Replace backup batteries to preserve configuration data.
- Firmware Updates: Periodically update firmware to incorporate bug fixes and compatibility improvements for seamless integration with system upgrades.
Product Warranty
GE guarantees the DS200TCQCG1ADB against defects in materials and workmanship for 1 year. 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 in critical operations. The module’s rugged design and compliance with industrial standards ensure long-term reliability in demanding applications.
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