General Electric IS215AEPCH1B Aero Excitation Power Control Board

GE IS215AEPCH1B Mark VIe Aero/Wind Pitch & Excitation Power Control Module

The IS215AEPCH1B is a versatile Aero Excitation Power Control (AEPC) Module for GE's Mark VIe control platform. It serves dual roles: as a wind turbine pitch center controller for blade angle regulation, and as an excitation power control board for generator field management in aero-derivative gas turbine applications. The module features conformal coating, 10/100 Base-TX Ethernet communication, and supports multiple analog and discrete signal types.

Key Specifications

• Manufacturer: General Electric / GE Vernova
• Series: Mark VIe
• Type: Aero Excitation Power Control (AEPC) / Wind Pitch Center Controller
• Input Voltage: 24 VDC (nominal)
• Communication Interface: 1 × 10/100 Base-TX Ethernet
• Signal Types: 4–20 mA, ±10 V, discrete I/O
• Power Consumption: 8–12 W
• Operating Temperature: -30°C to +65°C (-22°F to +149°F) [World of Controls]; -40°C to +70°C [autocontrolglobal]
• Dimensions: 240 mm × 110 mm [autocontrolglobal]
• Country of Manufacture: United States of America (USA)
• Coating: Conformal coating (H1 series — moisture/salt spray/mildew resistant)
• Product Grouping: Group one Mark VIe Series
• Functional Revision: B
• Status: Active / In production

Architecture & Applications

• Wind Turbine Pitch Control: Center controller for blade pitch angle regulation, Ethernet-connected to Mark VIe controller
• Aero Excitation Control: Power management for generator field excitation in aero-derivative turbines
• Mark VIe Compatibility: H1 series grouping tag identifies conformally coated PCB with Group one Mark VIe Series grouping
• I/O Integration: Supports analog inputs (4–20 mA, ±10 V) and discrete I/O for comprehensive turbine control

Installation Guide

1. Mount the IS215AEPCH1B in the designated Mark VIe I/O rack or wind turbine control cabinet.
2. Connect 24 VDC power supply to the module power terminals.
3. Connect 10/100 Base-TX Ethernet to the Mark VIe IONet or control network switch.
4. Wire analog signals (4–20 mA or ±10 V) to the appropriate input channels.
5. Wire discrete I/O for pitch control commands or excitation status feedback.
6. Verify Ethernet link LED and module status indicators after power-up.
7. Configure the module via ToolboxST software for your specific application (wind pitch or excitation control).

FAQ

Q: Is IS215AEPCH1B for wind turbines or aero-derivative gas turbines?
A: Both. The AEPC module serves as a wind pitch center controller in wind turbine applications and as an excitation power control board in aero-derivative gas turbine generator systems. Verify your specific application before ordering.

Q: What does the H1B suffix mean?
A: "H1" indicates conformal PCB coating and Group one Mark VIe product grouping. "B" is the B-rated functional revision.

Q: What is the difference between IS215AEPCH1B and IS215AEPCH1A?
A: IS215AEPCH1B is the B revision with functional updates over the H1A base version. Both are Mark VIe compatible; B revision includes enhanced features or component updates.

Q: Does it require external power?
A: Yes. The module requires an external 24 VDC nominal power supply. Power consumption is 8–12 W.

Q: What communication protocol does it use?
A: 10/100 Base-TX Ethernet via RJ-45 connector, integrated into the Mark VIe IONet or control network.

Q: Is this module compatible with Mark VI systems?
A: No. IS215AEPCH1B is designed for Mark VIe systems. Mark VI uses different I/O pack architecture (IS200 series).

Selection Tips

• Mark VIe wind turbine pitch control: IS215AEPCH1B + Ethernet IONet connection
• Mark VIe aero-derivative excitation control: IS215AEPCH1B + analog I/O for field current/voltage monitoring
• Always verify: Application type (wind vs. aero), Mark VIe controller compatibility, and Ethernet network configuration
• Order compatible cables: Ethernet Cat 5e/6 for IONet connection
• Check environmental rating: Conformal coating suitable for offshore wind or harsh industrial environments