Description

GE IS215AEPAH1A AEPA Wind Pitch Axis Control Module

Configured for closed-loop blade pitch actuator control in the GE Mark VIe Wind turbine control system, the GE IS215AEPAH1A (IS215AEPAH1A AEPA Wind Pitch Axis Control Module) provides direct physical and electrical execution for 20 Nm pitch drive positioning through analog signal processing and VME-based controller communication.

Hardware Specifications

Parameter	Specification
Model	IS215AEPAH1A
Brand	GE
Origin	United States
Product Type	Wind Pitch Axis Control Modules
Series	Mark VIe Wind
Functional Acronym	AEPA
Functional Description	AEPA - 20 Nm Wind Pitch Axis Control
Form Factor	6U VMEbus single slot
Pitch Drive Rating	20 Nm pitch axis control
Operating Voltage	24 VDC +/-10%
Analog Inputs	16 channels, configurable 4-20 mA, 0-10 V, +/-5 V
Analog Outputs	8 channels, configurable 4-20 mA, 0-10 V
Signal Resolution	16-bit precision
Communication Interface	Dual redundant VME bus, Ethernet IONet, Modbus TCP, Profinet
PCB Coating	Conformal coating
Weight	0.48 kg
Dimensions	6U VMEbus single-slot format
Operating Temp	-30 to +65 deg C
Power Consumption	<=15 W typical, <=20 W maximum

Deterministic Control Network and I/O Processing Characteristics

The IS215AEPAH1A operates within the GE Mark VIe Wind platform using VMEbus communication architecture for controller data exchange. The module processes analog feedback and command signals for pitch actuator positioning, supporting configurable input and output channels for pitch position, actuator feedback, and control references.

The module design incorporates industrial control features including deterministic bus communication, I/O density scaling, and firmware compatibility with the Mark VIe Wind control architecture. Dual redundant VME communication paths provide controller-level data exchange for pitch control functions.

The conformal-coated PCB structure provides additional protection for electrical assemblies exposed to industrial environmental conditions. Signal conditioning circuits include overvoltage, overcurrent, and thermal protection functions for connected pitch control interfaces.

Frequently Asked Questions

Q: What type of actuator does the IS215AEPAH1A control?
A: The IS215AEPAH1A is configured for 20 Nm wind turbine pitch axis control applications and manages closed-loop blade pitch actuator positioning.

Q: What communication interface is used by this module?
A: The module supports dual redundant VMEbus communication and Ethernet-based interfaces including IONet, Modbus TCP, and Profinet.

Q: What analog signal types are supported by the I/O channels?
A: The analog inputs support configurable 4-20 mA, 0-10 V, and +/-5 V signals. Analog outputs support configurable 4-20 mA and 0-10 V signals.

Field Installation Guidelines

Install the IS215AEPAH1A into a compatible 6U VME rack slot and verify mechanical alignment before applying insertion force. Confirm backplane connector engagement and rack grounding continuity before system energization.

Use shielded instrumentation cables for analog signal connections where required. Route low-level analog wiring separately from high-current actuator power cables to reduce electromagnetic interference.

Verify operating voltage polarity and system distribution compatibility before startup. Inspect conformal-coated PCB surfaces for contamination, mechanical damage, or connector oxidation during maintenance activities.

Specifications

• Brand: General Electric

Advantages

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