GE Mark VIe IS200AEPAH1ACB Printed Circuit Board

Overview of the IS200AEPAH1A

The IS200AEPAH1A is a printed circuit board (PCB) designed by General Electric (GE) as part of the Mark VIe series. Since the 1960s, this series has served in turbine control systems, initially for steam and gas turbines but now adapted for wind turbine applications. This board builds upon the IS200AEPAH1 model, incorporating an “A” grade functional revision to enhance its capabilities.

Key Features and Revisions

GE developed the IS200AEPAH1A to address advanced operational needs. This Alternative Energy Pitch Axis board comes with optional auxiliary boards, attached via screws and standoffs. Engineers can establish connections between the processor and the main board using two male pin connectors positioned in the upper left corner. These enhancements simplify integration and improve operational reliability.

Hardware Design and Components

The IS200AEPAH1A contains several advanced components:

• Integrated Circuits (ICs): A large number of ICs manage processing tasks.
• LED Indicators: Two LEDs on the left edge indicate operational status.
• Connectors: It includes various connectors such as two female phone plugs, a three-pin female connector, and seventeen vertical female-pin connectors ranging from two to twenty pins.
• Varistors: Engineers rely on six metal oxide varistors (MOVs) arranged in a line to protect against surges by regulating resistance based on voltage levels.
• Relays: Twelve relays provide dependable electrical switching capabilities.
• C-shaped Metal Housing: The board includes a unique HW1-marked housing for additional structural support.

Input and Output Specifications

The IS200AEPAH1A supports versatile I/O types, similar to the BPPB board in the Mark VIe series. These include:

• 8 analog inputs
• 1 incremental encoder input
• 1 absolute encoder input
• 1 analog output
• 20 discrete inputs
• 1 discrete output
• 8 relay outputs
• 2 RS-485 interfaces
• 1 brake control output

These I/O options allow for seamless integration with diverse turbine systems and ensure precise control.

Installation and Safety Guidelines

When installing the IS200AEPAH1A, users should take several precautions:

• Use anti-static material: AX Control ships the board with anti-static materials to prevent damage. During installation, using a grounding strap reduces the risk of static discharge.
• Leverage plated holes: These factory-designed holes aid in voltage protection and storage.
• Refer to manuals: The functional product number can help users obtain detailed hardware specifications and safe installation practices.

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