Description

GE IS200AEPAH1BHC Mark VI AEPA Pitch Axis PCB

The GE IS200AEPAH1BHC, also cataloged as the IS200AEPAH1BHC Pitch Axis PCB, operates as a dedicated hardware component for blade pitch actuator signal processing and encoder feedback execution within the GE Mark VI wind turbine control system.

Hardware Specifications

Parameter	Specification
Model	IS200AEPAH1BHC
Brand	GE (General Electric)
Origin	United States
Weight	1 lbs
Dimensions	110 x 66.8 x 50 mm
Operating Temp	-40 deg C to +70 deg C
Power Consumption	Max 4 W
Product Type	Pitch Axis Control Boards
Series	Mark VI / Mark VIe Speedtronic Control Systems
Input Channels	16 differential or single-ended inputs
Output Channels	8 single-ended outputs
Analog I/O	8 analog inputs, 1 analog output
Encoder Inputs	1 incremental encoder input, 1 absolute encoder input
Discrete I/O	20 inputs, 1 output
Relay Outputs	8 onboard relays, 12 general relays
Brake Control	1 dedicated brake control output
Sampling Rate	200 kHz
Resolution	12-bit
Communication Interfaces	CAN Bus, 2 x RS-485
Operating Voltage	5 VDC
Protection	Conformal coating, 6 MOV surge protection components

Deterministic I/O Processing and Firmware Compatibility

The IS200AEPAH1BHC integrates pitch axis signal acquisition and actuator control functions within the Mark VI wind turbine control architecture. The board processes encoder feedback, analog measurement channels, discrete signals, and relay outputs through configured I/O paths.

The PCB supports industrial control network communication through CAN Bus and RS-485 interfaces. Firmware flash compatibility with the Mark VI control platform allows approved control logic and configuration files to be maintained within the controller architecture.

Frequently Asked Questions

Q: What feedback signals can the IS200AEPAH1BHC process?
A: The board supports incremental and absolute encoder inputs together with analog, discrete, and relay signal interfaces for pitch axis control.

Q: What communication interfaces are available on the AEPA board?
A: The IS200AEPAH1BHC provides CAN Bus and two RS-485 communication interfaces for control system data exchange.

Q: How does the board handle transient voltage protection?
A: The board includes six MOV components for surge protection against electrical transient events within the specified operating environment.

Field Installation Guidelines

Install the IS200AEPAH1BHC in the designated Mark VI control cabinet position and verify correct seating of all board connectors before applying power. Confirm that the PCB grounding path is continuous with the cabinet chassis grounding system.

Route encoder, analog, and communication cables separately from high-current actuator wiring to reduce electrical interference. Use shielded cable practices for CAN Bus, RS-485, and encoder signal connections according to the turbine control cabinet design.

Before replacing the board, verify the installed hardware configuration, connected I/O assignments, and compatible firmware revision. Confirm relay outputs, brake control wiring, and feedback channels before returning the pitch control system to operation.

Specifications

• Brand: General Electric

Advantages

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