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GE DS200TCCAG1A

Product Name:​ Mark V Common Analog I/O Board (TCCA)
Introduction:​ The DS200TCCAG1A is a Common Analog I/O Board used in GE’s Mark V Speedtronic turbine control system. It handles multiple analog input and output signals, including RTDs, thermocouples, and 4–20 mA loops, which are vital for turbine performance monitoring.

Detailed content

Technical Specifications:
  • Manufacturer: General Electric (GE)
  • Series: Mark V Speedtronic
  • Product Type: Common Analog I/O Board
  • Functional Acronym: TCCA
  • Processor: Intel 80196 microprocessor
  • Signal Types Supported: RTDs, Thermocouples, 4–20 mA Analog Inputs, shaft voltage/current
  • Connectors: 2 × 50-pin connectors (JCC, JDD); additional connectors include JAA, JBB, JAR, JAS, JAT, JC, JEE, 2PL, 3PL
  • Jumpers: JP1 (RS232 enable), JP2 (oscillator disable), JP3 (factory test)
  • LED Indicators: 1 diagnostic LED
  • PCB Coating: Normal coating (standard, non-conformal)
  • Mounting Location: R5 core
  • Revision Level: A
  • Dimensions: Approx. 16 in × 12 in × 12 in
  • Weight: 1.0 lbs (0.45 kg)
  • Manual Reference: GEH-6153
Functional Features:
  • Multi-signal handling: Integrates and conditions diverse analog inputs for turbine control
  • Data routing: Sends processed signals to STCA board and COREBUS via 3PL connector
  • Diagnostic support: Includes LED indicators and diagnostic signal paths
  • Flexible configuration: Hardware jumpers allow system-specific setup
  • Interfaces with terminal boards like CTBA, TBQA, and TBCA
Structural Characteristics:​ The board employs an Intel 80196 microprocessor for efficient data handling and features PROM modules for firmware storage. It has a normal PCB coating suitable for standard industrial environments.
Working Principle:​ The board processes analog signals (RTDs, thermocouples, 4-20 mA) via the microprocessor, performs signal conditioning and routing, and communicates with other Mark V modules through the 50-pin connectors and COREBUS interface.
Installation Requirements:
  • Install into the R5 core of the Mark V Speedtronic control rack
  • Connect via two 50-pin connectors (JCC, JDD) to terminal boards
  • Configure jumpers as needed for system-specific setup
  • Ensure proper cooling for optimal microprocessor performance
Usage Notes:​ Maintains compatibility with a wide range of Mark V configurations. The normal PCB coating is suitable for standard industrial environments but not for highly corrosive or condensing atmospheres.

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