GE DS200LPPAG1AAA
GE DS200LPPAG1AAA
GE DS200LPPAG1AAA
GE DS200LPPAG1AAA

GE DS200LPPAG1AAA | Mark V Series Line Protection Panel for Gas Turbine Control

  • Brand: GE (General Electric)
  • Model: DS200LPPAG1AAA (Variant of Mark V Series)
  • Product Type: Line Protection Panel (LPP) / Analog I/O Board
  • Series: Mark V (Gas/Steam Turbine Control Systems)
  • Core Function: Serves as a critical line protection and analog signal processing interface in GE Mark V turbine control systems. It monitors electrical lines for faults (e.g., overload, short circuit), provides isolation, and processes analog signals (e.g., LVDT, thermocouple, 4–20 mA) between field devices and the turbine control unit. Designed for high-reliability industrial environments.
  • Key Specs:
    • Bus Compatibility: Proprietary Mark V bus (compatible with Mark V Series controllers)
    • Form Factor: 6U Eurocard (160 mm × 233 mm, standard for Mark V devices)
    • Input Signal Types: LVDT (Linear Variable Differential Transformer), thermocouple, 4–20 mA, ±10 V DC
    • Output Signal Types: 4–20 mA, ±10 V DC, relay driver
    • Isolation: Galvanic isolation (optocouplers, 1500 V AC channel-to-channel)
    • Operating Temperature: 0°C to +55°C (industrial-grade)
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Description

DS200LPPAG1AAA: Product Overview​
The GE DS200LPPAG1AAA​ is a line protection panel​ (LPP) and analog I/O board​ designed specifically for GE Speedtronic™ Mark V distributed control systems (DCS), the industry standard for gas, steam, and hydro turbine control in power generation. As part of the Mark V ecosystem, it acts as a “protective barrier” for electrical lines and a “signal conditioner” for analog inputs from field devices (e.g., turbine blade position sensors, fuel flow meters) and analog outputs to actuators (e.g., servo valves, pumps). Its primary role is to ensure safe and reliable operation​ of turbine control systems by preventing electrical faults and maintaining accurate signal transmission.
Role in Automation Systems:
Positioned as a “field-to-controller protective interface” in Mark V architectures, the DS200LPPAG1AAA performs three key functions:
  1. Line Protection: Monitors electrical lines for faults (e.g., overload, short circuit, overvoltage) and triggers protective actions (e.g., tripping a circuit breaker) to prevent damage to turbine components.
  2. Signal Conditioning: Receives raw analog signals from field devices (e.g., a thermocouple measuring turbine exhaust temperature) and scales/conditions them into a format suitable for the turbine control unit (e.g., converting millivolt signals to 4–20 mA current loops).
  3. Signal Transmission: Sends conditioned analog signals to the turbine control unit for processing (e.g., adjusting fuel flow based on temperature readings) and receives control signals from the controller to drive actuators (e.g., opening a valve to increase coolant flow).
Core Functionality:
  • Mark V Bus Compatibility: Conforms to proprietary Mark V bus standards, ensuring seamless integration with existing Mark V components (e.g., STCA, TCQC boards) without major system upgrades.
  • Flexible Signal Handling: Supports multiple analog signal types (LVDT, thermocouple, 4–20 mA, ±10 V DC) through configurable input channels, making it adaptable to diverse field devices.
  • Galvanic Isolation: Uses optocouplers to isolate field devices from the controller, protecting sensitive electronics from voltage spikes and electromagnetic interference (EMI) in harsh industrial environments.
  • High Precision: Provides accurate signal scaling (e.g., 12-bit resolution for analog inputs) to ensure reliable data for turbine control algorithms.
Platform Benefits (Mark V Series):
The DS200LPPAG1AAA inherits the Mark V platform’s strengths, including:
  • Reliability: The Mark V system is the industry standard for gas turbine control, with a proven track record of 24/7 operation in power plants worldwide.
  • Legacy Compatibility: The board is designed to work with existing Mark V components (e.g., contactors, I/O modules), reducing the cost of system upgrades.
  • Scalability: Supports expansion with additional I/O modules to accommodate growing system demands (e.g., adding more sensors to a turbine control system).

    GE DS200LPPAG1AAA

    GE DS200LPPAG1AAA

Technical Specifications​
  • Model Number: DS200LPPAG1AAA (Variant of Mark V Series)
  • Manufacturer: GE (General Electric)
  • Product Type: Line Protection Panel (LPP) / Analog I/O Board
  • Series: Mark V (Gas/Steam Turbine Control)
  • Form Factor: 6U Eurocard (160 mm × 233 mm)
  • Bus Standard: Proprietary Mark V bus (compatible with Mark V Series controllers)
  • Input Channels: Configurable (e.g., 8 analog inputs, 4–20 mA or ±10 V DC)
  • Output Channels: Configurable (e.g., 4 analog outputs, 4–20 mA or ±10 V DC)
  • Isolation: Galvanic isolation (optocouplers, 1500 V AC channel-to-channel)
  • Resolution: 12-bit (analog input), 10-bit (analog output)
  • Accuracy: ±0.1% (full-scale, analog input), ±0.2% (full-scale, analog output)
  • Operating Temperature: 0°C to +55°C (32°F to 131°F)
  • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
  • Humidity: 5–95% non-condensing
  • Weight: 0.2 kg (0.44 lbs)
  • Certifications: CE, UL (inferred from GE industrial product standards)
Core Features & Customer Value​
1. Reliable Line Protection:
The DS200LPPAG1AAA’s ability to monitor electrical lines for faults and trigger protective actions ensures the safe operation of turbine control systems. For example, in a power plant, the board can detect an overload in a fuel valve circuit and trip the circuit breaker, preventing damage to the valve and turbine.
2. Accurate Signal Conditioning:
The board’s high-precision signal scaling (12-bit resolution for analog inputs) ensures that the turbine control unit receives accurate data from field devices. For example, it can precisely measure turbine exhaust temperature (via a thermocouple) and convert it to a 4–20 mA signal for the controller, which adjusts fuel flow to maintain optimal efficiency.
3. Flexible Configuration:
Configurable input/output channels allow engineers to customize the board’s functionality for different field devices, reducing the need for additional signal conditioning hardware. This flexibility saves time and money during installation.
4. Rugged Industrial Design:
The board’s operating temperature range (0°C to +55°C) and compact form factor make it suitable for harsh industrial environments. Its DIN rail mounting option simplifies installation in crowded control cabinets.
5. Easy Integration:
Mark V bus compatibility ensures seamless integration with existing Mark V systems, minimizing downtime and effort during upgrades. This is invaluable for facilities with legacy Mark V installations, allowing them to enhance system capabilities without replacing entire architectures.

GE DS200LPPAG1AAA

GE DS200LPPAG1AAA

Typical Applications​
The GE DS200LPPAG1AAA​ is widely used in industrial automation systems for:
  1. Power Generation:
    • Protects electrical lines and conditions analog signals from gas/steam turbines (e.g., blade position, fuel flow, temperature) for real-time control, ensuring stable power output.
  2. Manufacturing:
    • Used in assembly lines to process analog signals from sensors (e.g., pressure, flow) and control actuators (e.g., valves, motors), while protecting against electrical faults.
  3. Petrochemical Industry:
    • Controls analog signals from refinery equipment (e.g., distillation columns, pumps) and provides line protection, ensuring safe and efficient operation in hazardous environments.

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