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GE DS200TCCBG8B Common Extended Analog I/O Board

The GE DS200TCCBG8B, also cataloged as the DS200TCCBG8B Common Extended Analog I/O Board, operates as a dedicated hardware component for analog signal conditioning and acquisition within the Speedtronic Mark V / Mark V LM Turbine Control system. It processes external current, voltage, and temperature-related signals through the Mark V I/O architecture.

Hardware Specifications

Parameter	Specification
Model	DS200TCCBG8B
Brand	General Electric (GE)
Origin	United States
Weight	2.5 lbs
Product Type	Common Extended Analog I/O Board
Control System Series	Speedtronic Mark V / Mark V LM
Board Abbreviation	TCCB
Core Location	R5 Core, Slot 3
Signal Processing	Analog input conditioning and scaling
Input Signal Types	4-20 mA, 0-1 mA, RTD, line current, generator and bus voltage inputs
Data Interface	3PL connector and COREBUS communication path
Programmable Memory	Two configurable EEPROM devices required

Industrial Control and Drive Interface Characteristics

The DS200TCCBG8B provides analog signal processing functions within the GE Speedtronic Mark V LM platform. The board scales and conditions auxiliary analog inputs received from terminal and expansion interface boards before transferring processed data through the COREBUS network.

The board performs electrical processing of PT and CT measurement signals for generator monitoring calculations, including megawatt (MW), megavar (MVAR), power factor, and phase voltage/current values. The conditioned information is routed to the Turbine Communication Board (STCA) and the primary I/O Engine through the 3PL interface.

The Mark V architecture uses deterministic internal communication paths for controller synchronization. The DS200TCCBG8B firmware configuration is dependent on installed EEPROM devices, which contain application-specific board operating parameters.

Frequently Asked Questions (FAQ)

Q: What signal types can the DS200TCCBG8B process?
A: The board processes analog signals including 4-20 mA inputs, 0-1 mA inputs, RTD inputs, line current measurements, and generator or bus voltage signals.

Q: What is the function of the programmable EEPROM devices on this board?
A: The EEPROM devices store board configuration data required for operation within the Speedtronic Mark V / Mark V LM control system.

Q: How does the DS200TCCBG8B communicate with the turbine control system?
A: The board transfers conditioned analog data through the 3PL connector and COREBUS communication network to the Turbine Communication Board and I/O Engine.

Field Installation Guidelines

• Install the DS200TCCBG8B only in the designated R5 core slot position within the Mark V / Mark V LM control cabinet.
• Verify the installed EEPROM configuration matches the application-specific turbine control software setup before energizing the system.
• Use appropriate grounding methods for analog signal shields to reduce electrical noise and measurement interference.
• Separate low-level analog signal wiring from high-current power conductors and switching circuits.
• Confirm connector seating and backplane engagement before system startup.
• Follow GEH-6153 installation and maintenance documentation for board replacement procedures and configuration verification.

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