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IS215ACLAH1A

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General Electric IS215ACLAH1A is an EX2100 Application Control Layer module that runs excitation application code and links the controller to Ethernet and serial interfaces.
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Technical specifications for IS215ACLAH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS215ACLAH1A
  • Product Family:
    GE Excitation Control
  • Product Type:
    EX2100 Application Control Layer Module
  • Stock:
    1
  • Processor:
    486DX4, 100 MHz
  • DRAM:
    8 MB
  • Flash Memory:
    4 MB
  • L2 Cache:
    128 KB
  • Ethernet:
    One 10BaseT interface
  • Serial Ports:
    COM1 and COM2
  • Backplane Connector:
    P1 to exciter backplane
  • Operating System:
    QNX
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Control Layer Network Ports Memory Map Status LEDs

Features:

  • Runs EX2100 application code as the control-layer master.
  • Combines local processing, flash storage and backplane access.
  • Provides Ethernet plus two independent serial channels.
IS215ACLAH1A integrates the processor and communication resources used by the EX2100 application-control layer.

The module stores its operating software and configuration in flash while live execution uses local DRAM and cache.

Front-panel indicators separate controller state, network traffic and flash activity for focused checks.

The General Electric IS215ACLAH1A EX2100 Application Control Layer Module is listed as Active / Available from OEM. Apter Power can support identification and configuration review.
General Electric IS215ACLAH1A EX2100 Application Control Layer Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

Execution Resources

  • Master role: IS215ACLAH1A executes the EX2100 application code.
  • Working memory: DRAM supports live program execution.
  • Stored image: Flash retains the operating system, application and configuration.
  • Local acceleration: Secondary cache supports the 486DX4 processor.

Communication Separation

  • Ethernet path: One 10BaseT interface carries network communication.
  • COM1 purpose: COM1 provides the serial loader path.
  • COM2 purpose: COM2 remains available as the second serial channel.
  • Boundary: The ACLA arrangement does not add the ISBus interface used by ACLI variants.

Startup Storage

  • Boot content: IS215ACLAH1A retrieves its operating image from flash.
  • Configuration content: Stored control configuration remains with the flash image.
  • Runtime area: DRAM supplies the main working space after startup.
  • Cache layer: L2 cache sits between the processor and main memory activity.

Front-Panel Evidence

  • OK: Reports the controller health state.
  • ACTIVE: Indicates application execution status.
  • ENET: Flashes with Ethernet activity.
  • FLASH and STATUS: Separate flash access from coded status reporting.
Description
General Electric IS215ACLAH1A is an Application Control Layer module for the EX2100 excitation control platform. It serves as the microprocessor-based master controller, executing the application code and coordinating data exchanged through the exciter backplane.

The processing section of IS215ACLAH1A combines a 100 MHz 486DX4 processor with 8 MB of DRAM, 4 MB of flash memory and 128 KB of secondary cache. The flash device stores the operating system, application code and configuration data used when the module starts.

Network and service access on IS215ACLAH1A is divided between one 10BaseT Ethernet connection and two serial ports. Ethernet carries controller communication and software loading, COM1 supports the serial loader, and COM2 provides the second serial channel without turning either connection into an ISBus interface.

The front indicators on IS215ACLAH1A separate processor health, application activity, Ethernet traffic and flash access. J4 and J5 establish the documented Ethernet shield arrangement, while the P1 connector joins the module to the EX2100 exciter backplane.
Alternative Names
GE IS215ACLAH1A IS215-ACLA-H1A General Electric ACLA H1A IS215 ACLA H1A IS215ACLAH1-A EX2100 ACLA Module H1A ACLA 486 Controller H1A IS215ACLAHIA
Technical notes
General Electric IS215ACLAH1A is an EX2100 Application Control Layer module with Ethernet, serial and backplane interfaces.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why can IS215ACLAH1A show power but no Ethernet activity?
If IS215ACLAH1A is powered while ENET remains inactive, check the 10BaseT cable, network endpoint and the J4/J5 shield arrangement before treating the processor as failed.
What should be compared when IS215ACLAH1A has ACTIVE indication but the application is not responding?
For IS215ACLAH1A, compare ACTIVE with OK, STATUS and FLASH behavior so application execution can be separated from processor or stored-image issues.
Which service path is available when IS215ACLAH1A cannot be reached over Ethernet?
IS215ACLAH1A provides COM1 for the serial loader, allowing the Ethernet path to be isolated from the software-loading path during diagnosis.
Why might IS215ACLAH1A disappear from the EX2100 rack after reseating?
IS215ACLAH1A connects through P1 to the exciter backplane, so incomplete P1 engagement can interrupt backplane communication even when front hardware appears seated.
What should be preserved before reloading software on IS215ACLAH1A?
Before reloading IS215ACLAH1A, retain the applicable application and configuration set because both are stored with the operating image in flash memory.
How can a team distinguish a flash-access event from a network event on IS215ACLAH1A?
IS215ACLAH1A provides separate FLASH and ENET indicators, so storage access and Ethernet traffic should not be inferred from the same LED pattern.
Why must IS215ACLAH1A not be wired as an ISBus controller?
IS215ACLAH1A is the ACLA version with Ethernet and serial connections; the ISBus interface belongs to the ACLI variation rather than IS215ACLAH1A.

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