GE DS200TCRAG1ACC

The GE DS200TCRAG1ACC is a Turbine Control Relay Card designed for use within GE Mark V Speedtronic control systems. This advanced control board plays a vital role in the relay management and protection functions of industrial gas and steam turbines. Built with high-performance circuitry, the DS200TCRAG1ACC ensures precise control, safe operation, and efficient communication between various subsystems in the turbine control cabinet.

Renowned for its stability and longevity, this module is a critical part of GE’s turbine automation infrastructure — offering dependable relay control, alarm handling, and interlock functionality across a wide range of industrial applications.

---

Structure and Composition

The GE DS200TCRAG1ACC consists of multiple integrated circuit sections that handle input signals, relay actuation, and communication with the Mark V system.

1. Relay Section: Controls turbine protection, start/stop sequences, and alarm relays.

2. Processor Logic Section: Manages timing, status interpretation, and inter-board communication.

3. Connectors and Terminals: Includes multiple plugs for ribbon and edge connectors, enabling quick integration with other Mark V boards.

4. Indicators: Onboard LED indicators provide visual status of relay activity and fault detection.

5. Protective Coating: The board surface is coated to resist humidity, dust, and corrosion.

   
   

---

Key Features

• High-Reliability Design: Built to meet the rigorous demands of continuous turbine operation.

• Direct Compatibility: Fully compatible with GE Mark V turbine control systems.

• Integrated Relays: Provides output switching for alarms, trip signals, and control loops.

• LED Diagnostics: Front-panel LEDs simplify system monitoring and troubleshooting.

• Noise Immunity: Advanced filtering and shielding reduce electromagnetic interference.

• Serviceability: Modular design allows easy board replacement without system rewiring.

• Quality Manufacturing: GE’s industrial-grade materials ensure long-term stability and performance.

---

Technical Specifications

• Manufacturer: General Electric (GE)

• Part Number: DS200TCRAG1ACC

• Product Type: Relay Control Board

• Series: Mark V Speedtronic

• Relay Channels: Multiple output relays for control and protection

• Input Power Supply: Typically 28 VDC from control system bus

• Mounting Type: Rack-mounted (fits standard GE control chassis)

• Connectors: Multiple ribbon and edge connectors for signal I/O

• Indicators: Status and fault LEDs for each active relay channel

• Cooling Method: Natural convection

• Weight: Approximately 0.4 kg

• Operating Temperature Range: 0°C to +60°C

• Storage Temperature: -40°C to +85°C

---

Applications

The DS200TCRAG1ACC card is a central component in turbine control and protection systems, specifically within GE’s Mark V platform. It is commonly employed in:

• Gas Turbine Systems – Managing ignition, fuel control, and safety relays.

• Steam Turbine Operations – Controlling auxiliary systems and protection logic.

• Power Generation Plants – Supervising alarms and system interlocks.

• Industrial Automation – Providing precise relay logic for motor and process control.

This module’s high dependability makes it suitable for power utilities, petrochemical plants, and large-scale manufacturing facilities.

---

Installation and Handling

1. Pre-Installation: Ensure the board and chassis are free of static electricity using a grounded wrist strap.

2. Mounting: Slide the DS200TCRAG1ACC into the designated rack slot, ensuring all edge connectors are properly aligned.

3. Connection: Attach ribbon cables and terminal plugs according to the GE wiring diagram.

4. Testing: Power on the system and observe LED indicators for normal relay operation.

5. Maintenance: Periodically inspect for loose connections, dust buildup, or corrosion. The board is field-replaceable and does not require recalibration.

   
   

---

Advantages

• Long service life and stable operation in harsh industrial conditions.

• Enhanced safety and fault detection with onboard relay feedback.

• Simplified maintenance through modular construction.

• Proven reliability in thousands of GE Mark V turbine systems worldwide.

• Backed by GE’s technical support and global parts availability.

---

Summary

The GE DS200TCRAG1ACC Turbine Control Relay Card represents the cornerstone of GE’s Mark V turbine protection technology. With its precision relay management, rugged construction, and easy serviceability, it ensures optimal turbine performance, system safety, and minimal downtime. Whether deployed in power generation, oil and gas, or process automation, this module continues to deliver consistent reliability in demanding industrial environments.