Digital guide

You are here:
  1. Home
  2. GE
  3. GE IS200ESYSH2AAA

GE IS200ESYSH2AAA

Product Name: EX2100e System I/O Dual Board (ESYS H2)
Product Overview: A system interface board designed for GE’s EX2100e excitation control system. It provides the interface between customer field signals and the EX2100e control system, handling analog inputs, analog outputs, relay contacts, auxiliary contact inputs, and protection-related signals. The H2 version uses a dual-control arrangement with M1 and M2 control sections, suitable for redundant control paths.
WhatApp
WeChat

Detailed content

Key Technical Specifications:
  • Series: EX2100e Excitation Control System
  • Type: System I/O Dual Board (ESYS), H2 Group
  • Control Architecture: Dual control sections — M1 and M2 controllers
  • Analog Inputs: 4–20 mA / ±10 V (customer analog I/O)
  • Analog Outputs: Four 12-bit analog outputs
  • Relay Outputs: 4 Form-C contact outputs
  • Auxiliary Inputs: 7 contact inputs (52G + 7 general-purpose per some configurations)
  • Power Supply: 28 VDC
  • Communication: High-speed serial link (HSLA) daughterboard to EX2100e controller
  • Terminal Interface: Removable screw terminal strips
  • Mounting: EX2100e control cabinet
  • Compliance: Refer to applicable GE EX2100e documentation; HS code 85389000.00
  • Documentation: GEI-100772 (for IS200ESYSH2A) and GEH-6781L (EX2100e system manual, page 63)
Functional Features:
  • Dual M1/M2 control-section architecture for improved system reliability
  • Interfaces customer I/O with the EX2100e excitation controller
  • Provides Form-C relay contact outputs for trip and control functions
  • Includes auxiliary contact inputs for excitation-system monitoring
  • Removable terminal strips simplify field wiring service
  • Suitable for both regulator and static excitation configurations
  • Supports trip-related relay functions used by excitation protection circuits
Application Scenarios:
  • Regulator and static excitation systems for power generation
  • Excitation control in turbine-generator sets
  • Industrial equipment requiring reliable excitation control with redundant control paths
Installation & Maintenance Notes:
  • Confirm the EX2100e system architecture, M1/M2 controller arrangement, terminal wiring, analog signal ranges, relay assignments, and high-speed serial interface before replacement
  • Photograph terminal positions before removal, especially when several field circuits share the same terminal assembly
  • Inspect removable terminal strips, board connectors, mounting hardware, and signs of overheating or contamination
  • Verify the 28 VDC supply and communication path before assuming the board itself has failed
  • After installation, perform applicable I/O loop checks and confirm controller diagnostics before returning the excitation system to service
  •  This is a system-interface board, not a generic analog I/O card — verify HSSL interface and M1/M2 configuration first when troubleshooting, as communication/config issues can mimic I/O board failure

You may also like