The General Electric DS200AAHAG1ADC, often shortened to AAHA, is a specific circuit board within the Mark V LM Turbine Control System from GE. Here’s a detailed breakdown of its function and role in the system:

Function:

The AAHA board acts as an ARCNET (Attached Resource Computer NETwork) connection board. ARCNET is a communication protocol that allows different components within the Mark V LM system to talk to each other. Essentially, the AAHA translates signals between external modules and the central control engine using the ARCNET protocol.

Applications:

• Enables communication between external devices (like I/O cores) and the main control engine in the Mark V LM system.
• Facilitates data exchange between various modules within the system, ensuring proper operation of the turbine.
• Used in conjunction with the UCPB board (containing the processor) and UCIA board (for pressure transducer signals) for overall system control.

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