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GE DS200CTBAG1ADD Mark V Contact Terminal Board (CTBA)

Product Overview

The DS200CTBAG1ADD is a high-density Contact Terminal Board (CTBA) specifically engineered for the General Electric (GE) Mark V Speedtronic turbine control system and compatible drive systems. Functioning as a centralized signal termination hub, the DS200CTBAG1ADD facilitates the interface between external field devices and the internal control logic. It is designed to manage a high volume of discrete inputs/outputs, analog signals, and sensor wiring while maintaining strict electrical isolation to prevent field-side transients from damaging sensitive system electronics. Its multi-layer PCB design and specialized connector array allow for organized, high-reliability wiring in heavy industrial environments.

Technical Specifications

The DS200CTBAG1ADD is built to accommodate complex wiring architectures with industrial-grade durability.

  • Manufacturer: General Electric (GE)

  • Model Number: DS200CTBAG1ADD

  • Series: Mark V Speedtronic Control / GE Drive Systems

  • Board Type: CTBA – Contact Terminal Board

  • Signal Support: Discrete I/O, Analog Signals, Pulse Inputs, and Auxiliary sensor wiring

  • Terminal Density: Dual-row high-density terminal blocks with screw-clamp termination

  • Electrical Isolation: Passive and active isolation barriers (revision-dependent)

  • Connector Interface: Plug-in ribbon cable and high-retention pin headers for backplane integration

  • Operating Voltage: Interfaces with standard 24 VDC / 125 VDC control loops

  • Dimensions: 11 × 8 inches (Standard GE Full-Size Drive Board)

  • Weight: 0.71 kg (1.56 lbs)

  • Operating Temperature: 0°C to +60°C (32°F to 140°F)

  • Storage Temperature: –40°C to +85°C

  • Humidity Range: 5% to 95% non-condensing

  • Mounting: Rack or chassis-mounted via specialized standoffs in Mark V enclosures

Core Performance Features

  • High-Density Signal Management: Provides over 100 termination points in a single board footprint, significantly reducing the complexity of cabinet wiring.

  • Ruggedized Signal Interfacing: Designed to handle the high-current switching and low-voltage analog signals simultaneously without cross-talk interference.

  • Enhanced System Diagnostics: Features integrated test points and LED indicators (depending on the system revision) to allow technicians to verify signal presence at the terminal level.

  • Reliable Connector Architecture: Utilizes gold-plated or high-conductivity contact surfaces to ensure long-term connection stability in high-vibration or corrosive industrial atmospheres.

  • Interchangeable Design: The "ADD" revision suffix indicates a specific hardware configuration tailored for optimized signal routing in later-generation Mark V systems.

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