+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
The GE DS200TCQEG2A is a Quadrature Encoder Interface Module designed for GE’s Mark V Speedtronic turbine control system, serving as a critical component for speed and position feedback in industrial automation applications. Belonging to the legacy DS200 series, this module is engineered to process high-frequency encoder signals from turbines, motors, and rotating equipment, enabling precise speed regulation and real-time monitoring in mission-critical environments.
As part of the Mark V system’s Digital I/O Core, the GE DS200TCQEG2A interfaces with quadrature encoders to convert mechanical rotation into electrical pulse signals, which are then transmitted to the control processor for analysis. It features four channels of quadrature encoder input (A, B, Z phases) with configurable resolution up to 16 bits, supporting speeds up to 500 kHz. The module’s triple modular redundancy (TMR) architecture ensures continuous operation even if one channel fails, making it ideal for high-reliability applications in power generation and heavy industry.
Key functions include speed feedback for turbine governors, position monitoring for valve actuators, and encoder fault detection. The module’s robust design, with PCB coating for EMC protection and IP20-rated housing, ensures durability in harsh conditions with temperatures ranging from -20°C to +60°C.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE DS200TCQEG2A |
| Manufacturer | GE (General Electric) |
| Product Type | Quadrature Encoder Interface Module |
| Series | Mark V Speedtronic |
| Input Voltage | 24V DC ±10% |
| Encoder Channels | 4 (A, B, Z phases) |
| Maximum Frequency | 500 kHz |
| Resolution | Up to 16 bits |
| 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 | ~1.2 kg |
| Connectors | 2 x 34-pin, 1 x 16-pin |
| Protection Class | IP20 |
Main Features and Advantages
High-Precision Speed Feedback:
The GE DS200TCQEG2A processes quadrature encoder signals with up to 16-bit resolution, enabling precise speed measurement for turbine governors and motor drives. Its 500 kHz frequency response ensures accurate feedback even at high rotational speeds, critical for maintaining grid stability in power plants.
TMR Architecture for Redundancy:
The module’s triple modular redundancy ensures fault tolerance by cross-checking signals across three independent channels. This design minimizes downtime risks in applications where encoder failure could lead to turbine overspeed or mechanical damage.
Industrial-Grade Durability:
Constructed with a PCB coating to resist dust, moisture, and electromagnetic interference, 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 Integration:
Compatible with GE’s Control Builder software, the DS200TCQEG2A supports configuration via digital tools, reducing setup time. Diagnostic LEDs and jumper configurations enable quick fault identification, while field-replaceable components minimize maintenance downtime.
Application Areas
Power Generation:
In coal-fired and combined-cycle power plants, the GE DS200TCQEG2A provides speed feedback for steam turbine governors, ensuring precise load regulation and grid synchronization. It also monitors generator rotor position to prevent overspeed conditions during startup and shutdown.
Oil & Gas:
Offshore platforms and refineries use this module to monitor compressor and pump speeds, enabling real-time adjustment of anti-surge valves and preventing equipment damage. The TMR architecture ensures uninterrupted operation in high-pressure environments.
Heavy Industry:
Steel mills and cement plants rely on the GE DS200TCQEG2A to integrate with robotic systems and conveyor belts, providing position feedback for precise material handling. Its diagnostic capabilities enable predictive maintenance, optimizing production efficiency.
Related Products
DS3800HCMB1C1C – In Stock Now | Ready To Ship – Call Us
GE Dual Communications Control Board DS3800HCMA
General Electric DS3800HAIC1A1A PC Board
GE Regulator Board DS3800HAIC1D1B
GE Regulator Board DS3800HAIC1B1A
General Electric DS3800HAFA1D1E
GENERAL ELECTRIC DS3800HAFA1B1D
GE DS3800HAFA | In Stock Now | Buy, Repair, Exchange From
Installation and Maintenance
Installation Preparation:
Mount the GE DS200TCQEG2A in a grounded VME rack with proper ventilation. Connect encoder cables to the 34-pin connectors, ensuring shielded wiring to minimize interference. Align the module with compatible Mark V cores (Q11, Q51) and secure with screws at all four corners.
Maintenance Recommendations:
Conduct quarterly inspections for loose connections and cable 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. Use the module’s built-in test function to verify encoder signal integrity annually.
Product Warranty
The GE DS200TCQEG2A 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 compatibility.
HS:8443919090
- WhatsApp: +86 18030182217
- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
- Wechat: +86 18030182217
- Website: www.xiongbaparts.com
