+86 18030182217
+86 18030182217
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Description
Product Overview
The GE DS200TCQCG1BJG is a Quadrature Encoder Interface Module designed for GE’s Mark V Speedtronic turbine control system, serving as a critical component for precision speed and position feedback in industrial automation. Belonging to the legacy DS200 series, this module processes high-frequency encoder signals from turbines, motors, and rotating equipment, enabling real-time monitoring and regulation in mission-critical environments.
As part of the Mark V system’s Digital I/O architecture, the GE DS200TCQCG1BJG interfaces with quadrature encoders to convert mechanical rotation into electrical pulse signals for the control processor. It features four independent encoder channels (A, B, Z phases) with configurable resolution up to 16 bits, supporting input frequencies up to 500 kHz. The module’s triple modular redundancy (TMR) ensures continuous operation even if one channel fails, making it essential for applications where encoder failure could lead to system instability, such as power generation and heavy manufacturing.
Key functions include turbine speed governor feedback, valve actuator position monitoring, and encoder fault diagnostics. 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 DS200TCQCG1BJG |
| 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 per channel) |
| Max. Input Frequency | 500 kHz |
| Resolution | Up to 16 bits (configurable) |
| 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 |
| Connectors | 2×34-pin, 1×16-pin |
| Protection Class | IP20 |
Main Features and Advantages
High-Precision Feedback:
The GE DS200TCQCG1BJG ensures precise speed and position measurement with 16-bit resolution and 500 kHz frequency response, critical for turbine governor control and motor drive synchronization in power plants.
TMR Redundancy:
Its triple modular redundancy architecture cross-checks signals across three channels, minimizing downtime by maintaining operation even during single-channel failures, a key advantage in safety-critical systems.
Industrial Durability:
Designed with EMC-compliant PCB coating and rugged housing, the module withstands extreme temperatures, vibrations, and electrical noise, suitable for 24/7 operation in oil & gas platforms and heavy industry.
Flexible Configuration:
Compatible with GE’s Control Builder software, it allows configurable encoder parameters (e.g., pulse per revolution, direction) and supports hot-swapping for maintenance without system shutdown.
Application Areas
Power Generation:
Monitors steam turbine speeds for grid synchronization in coal-fired and combined-cycle plants, ensuring stable power output and preventing overspeed conditions.
Oil & Gas:
Supports compressor speed control in refineries and offshore platforms, enabling real-time adjustment of anti-surge valves and preventing equipment damage from rotational anomalies.
Heavy Industry:
Integrates with robotic arms and conveyor systems in steel mills and cement plants, providing position feedback for precise material handling and process automation.
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Installation and Maintenance
Installation Preparation:
Mount the GE DS200TCQCG1BJG in a grounded VME rack with proper ventilation. Connect shielded encoder cables to 34-pin connectors, ensuring minimal electromagnetic interference. Align with Mark V cores (Q11/Q51) and secure with anti-vibration screws.
Maintenance Recommendations:
- Quarterly: Inspect connectors for corrosion and verify encoder cable integrity.
- Annually: Run built-in diagnostic tests via Control Builder to check channel redundancy and signal accuracy.
- Replace backup battery every 5 years to preserve configuration data.
Product Warranty
GE guarantees the DS200TCQCG1BJG against defects for 1 year, covering repair or replacement. Authorized distributors offer 24/7 technical support, including remote diagnostics and firmware updates. With spot inventory and 3-day delivery, minimize downtime in critical operations.
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