Description The General Electric IS215ACLEH1B is an Application Control Layer Module used within the EX2100e excitation control system. It is a microprocessor-based controller designed primarily for network communication over ISBus and Ethernet. This module installs in the EX2100 exciter board rack and supports core control and communication functions. Technical Specifications Condition New/Never Used Surplus Brand General Electric Category PLCs/Machine Control Part Number IS215ACLEH1B Subcategory Control Module Series EX2100 Excitation Controller Functional Acronym ACLE Group / Revision H1B Module Type Application Control Layer Module Primary Function Network communication and control coordination Supported Networks ISBus, Ethernet Hardware Components CPU, PCI controller, LEDs Software Feature Basic Input/Output System (BIOS) Cache Memory Level 2 cache, 128 KB Optional Component PROM Rack Slot Usage Two half-slots Installation Location Control cabinet Shipping Dimensions 18 x 12 x 12 in Manufacturer General Electric Information About IS215ACLEH1B The IS215ACLEH1B is an application-level control module from the EX2100 Excitation Controller family developed by General Electric. It is designed to occupy two half-slots within an EX2100 exciter board rack or Innovation Series drive cabinet. The module incorporates onboard processing hardware, including a CPU and PCI controller, to manage system communications and coordination tasks. It is typically used in excitation and power generation control systems where reliable internal bus and Ethernet communication is required. Key Features: Application control layer module: Handles system-level communication and coordination tasks. EX2100e series compatibility: Designed for General Electric EX2100 excitation systems. Microprocessor-based design: Provides reliable processing for control-layer functions. ISBus and Ethernet support: Enables communication across control networks. Integrated CPU and PCI controller: Supports efficient data handling and system interfacing. Onboard LED indicators: Provide visual status feedback during operation. PROM expansion capability: Allows firmware or configuration storage if required. The IS215ACLEH1B delivers the reliability and precision required for communication and control coordination within excitation and power generation control systems.