Description

GE DS200DTBAG1AAA Terminal Board Assembly

The GE DS200DTBAG1AAA, also cataloged as the DS200DTBA Terminal Board Assembly, operates as a dedicated hardware component for field signal termination and electrical interfacing within the GE Mark V turbine control system. It provides physical connections for analog, digital, and trip circuit wiring between external devices and control rack electronics.

Hardware Specifications

Parameter	Specification
Model	DS200DTBAG1AAA
Brand	GE General Electric
Origin	United States
Product Type	Terminal Board Assembly
Series	Mark V Speedtronic
Functional Acronym	DTBA
Signal Types Supported	Analog signals, digital 24 VDC signals, trip solenoid signals
Input Voltage	125 VDC nominal field supply
Terminal Type	Screw-type terminals, 2-level
Isolation Rating	2500 Vrms
Weight	0.8 kg
Dimensions	233 mm x 160 mm x 25 mm
Operating Temp	-30 to +65 deg C
Power Consumption	Passive board, no onboard power processing

Industrial Control Interface and Signal Distribution

The DS200DTBAG1AAA is a passive terminal interface board within the GE Mark V control architecture. It provides termination points for field wiring connected to turbine sensors, actuators, trip circuits, and protection devices. Signal routing is performed through terminal connections to associated processor and power interface boards.

For GE Mark V systems, the terminal interface supports structured I/O wiring arrangements and connection compatibility with processor cards such as CPCA and power/control boards such as LDCC. The board does not execute control logic and depends on connected controller hardware for signal processing and diagnostics.

The terminal assembly supports industrial control requirements including:

• Field signal termination and routing
• Analog and digital I/O connection
• Trip circuit wiring interface
• Connection between external devices and Mark V rack electronics
• Compatibility with redundant wiring configurations

Profinet / EtherNet-IP Network and I/O Interface Considerations

The DS200DTBAG1AAA does not provide direct network communication functions. Its role is limited to physical signal termination and electrical distribution. In Mark V systems, communication processing and deterministic data exchange are handled by controller and communication modules.

The terminal board supports I/O density expansion through organized field wiring interfaces. Proper terminal assignment, cable segregation, and grounding practices are required to maintain signal integrity between field devices and control electronics.

Frequently Asked Questions

Q: Does the DS200DTBAG1AAA contain onboard processing or firmware?
A: No. The DS200DTBAG1AAA is a passive terminal board assembly. Signal monitoring and diagnostics are performed by connected Mark V processor and control boards.

Q: What signal types can be connected to this terminal board?
A: The board supports analog signals, digital 24 VDC signals, and trip solenoid related field connections according to the Mark V system wiring configuration.

Q: Does the board provide Ethernet or serial communication interfaces?
A: No. The DS200DTBAG1AAA provides physical terminal connections only. Communication functions are managed by separate Mark V controller and communication modules.

Field Installation Guidelines

Install the DS200DTBAG1AAA in the designated GE Mark V rack position and verify mechanical alignment before securing the board.

Field wiring should be installed according to the Mark V wiring documentation. Separate low-level analog signal cables from high-current power and trip circuit wiring to reduce electrical interference.

Terminate cable shields according to the system grounding design. Ensure terminal screws are properly secured and verify wire identification before applying field power.

Inspect terminal connections during maintenance activities for loose conductors, oxidation, or mechanical damage. Confirm compatibility with connected CPCA, LDCC, and other Mark V interface boards before replacement installation.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems