General Electric DS200TCDAH1BGD Digital IO Board

The DS200TCDAH1BGD is a Digital I/O Board designed by General Electric (GE) for the Mark V Speedtronic series, used in turbine control systems. Although GE no longer supports the Mark V series as part of their legacy products, AX Control provides replacement components, including this model, to support ongoing maintenance and operation of existing Mark V systems.

Key Features and Specifications

• Part Number: DS200TCDAH1BGD
• Manufacturer: General Electric (GE) Boards & Turbine Control
• Series: Mark V DS200
• Product Series: Mark V Speedtronic
• Functional Acronym: TCDA
• Revision History: Includes three revisions (backwards-compatible with the first two)
• Assembly Type: Standard assembly
• Installation Location: <R1> core of the Mark V system, working alongside other boards like STCA, UCPB, TCQA, and TCQE

Hardware Configuration and Components

The DS200TCDAH1BGD board manages both relay outputs and contact inputs, which can be configured using software. The board also features several jumper switches and connectors for specific functional settings:

• Jumpers (J1-J8): Used for hardware configuration, with specific uses for IONET addressing and enabling/testing functions.
  • J1-J3: General configuration
  • J4-J6: Reserved for IONET addressing, should remain at factory settings
  • J7: Enables stall timer
  • J8: Test enable jumper
• Connectors:
  • JP: TCPS Board Power Signal Connector
  • JQ: DTBA Board Contact Input Signals Connector
  • JR: DTBB Board Contact Input Signals Connector
  • JO1: TCRA Board Contact Output Signals Connector
  • JX1 and JX2: Daisy-chained IONET Signals Connectors for network interfacing

Each connector is labeled to match its corresponding function within the Mark V system. This labeling system ensures correct connections and compatibility within the turbine control setup.

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