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  • Lifecycle status

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    Apter Power can assist with IS215ACLEH1A quotation requests and access to the available original GE technical documentation for installed EX2100 systems.

IS215ACLEH1A

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General Electric IS215ACLEH1A is a 266 MHz QNX4 Application Control Layer Module for EX2100 master-control duties.
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Technical specifications for IS215ACLEH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS215ACLEH1A
  • Product Family:
    GE Excitation Control
  • Product Type:
    Application Control Layer Module
  • Stock:
    1
  • Processor:
    Pentium P5, 266 MHz
  • Operating system:
    QNX4
  • Level 2 cache:
    256 KB
  • DRAM:
    128 MB, expandable
  • Compact flash:
    16 MB, expandable
  • Nonvolatile RAM:
    8 KB
  • DPRAM interface:
    4K x 32
  • Ethernet interfaces:
    Two 10/100BaseT RJ45 ports
  • Serial interfaces:
    COM1 and COM2, RS-232, DB9
  • Rack space:
    Two full slots
  • 5 V dc current:
    3.0 A
  • 15 V dc current:
    None
  • BIOS:
    Phoenix BIOS, factory pre-programmed
  • Time synchronization:
    1 ms DSPX time tick
  • 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 Rack Compatibility Network Roles Indicator Interpretation Redundant Changeover

Features:

  • Loads application configurations online through the Toolbox interface.
  • Supports I/O-point and internal Boolean forcing during control setup.
  • Reports broken run/start permissives and application-level alarm messages.
The compact-flash core load starts QNX4, the file system, and Ethernet TCP/IP services, then brings kernel support to both network and serial interfaces before runtime and application code begin.

Runtime Code enables the full-static or regulator functions, while Application Code stores the patterns and settings for the installed control as binary Pcode in volatile or permanent flash storage.

Toolbox can monitor and alter parameters, make minor online code changes, and update block libraries, scheduler components, and other product-code firmware through Ethernet.

Apter Power can support continued access to General Electric IS215ACLEH1A Application Control Layer Module beyond manufacturer End-of-Life (EOL).
General Electric IS215ACLEH1A Application Control Layer Module Manuals, Datasheets, Links 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.

EX2100 Rack Placement

  • Simplex thyristor: IS215ACLEH1A operates with the IS200ESBP backplane in this control arrangement.
  • Warm backup: The thyristor controller section pairs IS215ACLEH1A with an IS200EBKP backplane.
  • Simplex regulator: An IS200ERBP-based rack provides the mounting environment for IS215ACLEH1A.
  • Redundant regulator: IS200ERRB-based racks place the IS215ACLEH1A controller sections in their respective control cabinets.

Interface Roles in the Control Network

  • ENET1: IS215ACLEH1A carries Toolbox configuration traffic on the primary Ethernet channel and normally connects to the plant unit data highway.
  • ENET2: The secondary channel can connect IS215ACLEH1A to private-network I/O expansion, including VersaMax I/O through Ethernet Global Data.
  • COM1: Commissioning personnel can assign the ENET1 TCP/IP address through this serial route, which is normally disconnected afterward.
  • COM2: Serial Modbus applications use this port, while Ethernet Modbus SRTP provides a separate path to other systems.
  • Data exchange: Ethernet Global Data supports real-time controller and HMI traffic, while TCP/IP carries ACL and DSPX configuration.

Front-Panel Status Meaning

  • OK: Solid green follows watchdog enablement; loss of the light indicates a watchdog timeout.
  • ACTIVE: Green activity follows processor access to memory and may blink during startup or remain active while application code runs.
  • ENET: The indicator follows traffic on ENET1, while ENET2 has no corresponding faceplate activity light.
  • FLASH: Red marks compact-flash access, so power removal while lit can corrupt the file system and require a flash reload.
  • STATUS: A walking pattern follows completed initialization; fixed and flashing codes distinguish stalled, application-load, and operating-system startup faults.

Online Replacement Conditions

  • Online eligibility: Only the inactive IS215ACLEH1A section may be serviced while a redundant control continues operating.
  • Full-static isolation: The non-active master must be confirmed before its dedicated rack section is de-energized and checked for safe board access.
  • Regulator condition: Online service is possible only when power to the inactive rack can be controlled independently; otherwise replacement is performed offline.
  • Post-service validation: After reconnection, power restoration, reconfiguration, and download, transfer control to the serviced master to verify operation.
Description
General Electric IS215ACLEH1A Application Control Layer Module installs in standard EX2100 excitation-control racks as the networked master-controller layer, occupying two full slots while coordinating control duties across the system.

The complete IS215ACLEH1A assembly combines an IS200ACLE carrier board with a PC/104-Plus processor board. The processor board supplies the computing, cache, dynamic memory, BIOS, serial interfaces, and secondary Ethernet channel, while the carrier provides compact-flash storage, nonvolatile memory, the primary Ethernet interface, board identification, watchdog logic, and the backplane connection.

Communication between IS215ACLEH1A and the IS200DSPXH1 digital signal processor uses a 32-bit dual-port RAM path. If both boards request the same DPRAM address, hardware resolves contention by holding one side in a wait condition for no more than 100 ns; a separate INT_LAN signal supplies the DSPX with a fixed 1 ms timing reference, and the board-identification device makes the catalog, serial, and revision record available to the DSPX.
Alternative Names
GE IS215ACLEH1A General Electric IS215ACLEH1A GE Energy IS215ACLEH1A IS215 ACLE H1A IS 215 ACLE H1A IS215-ACLE-H1A EX2100 IS215ACLEH1A IS215ACLEHIA
Technical notes
During normal EX2100 operation, connector P15 on the GE IS215ACLEH1A remains unused because it is dedicated solely to factory test access.
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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.
Which processor and operating system distinguish IS215ACLEH1A from the other ACLE versions?
IS215ACLEH1A uses a 266 MHz CPU and the QNX4 operating system; the other documented ACLE versions combine 266 or 400 MHz processors with QNX4 or QNX6.
Can IS215ACLEH1A replace IS215ACLAH1A in every application?
IS215ACLEH1A fully replaces IS215ACLAH1A in EX2100 applications, but IS215ACLEH1A is not the replacement for ACLA hardware used in exciter applications such as Innovation Series.
Does IS215ACLEH1A require user changes to its BIOS settings?
IS215ACLEH1A uses a factory-programmed Phoenix BIOS and EEROM-stored configuration settings, so normal applications do not require user BIOS changes.
Are there adjustable jumpers on IS215ACLEH1A?
IS215ACLEH1A has no jumpers on its carrier board, and the PC/104-board jumpers are factory preset and do not require adjustment.
What does the recessed RST pushbutton on IS215ACLEH1A reset?
The recessed RST pushbutton resets only IS215ACLEH1A; it does not reset the entire EX2100 backplane and is not normally used in the control system.
Should IS215ACLEH1A be disassembled when one board needs service?
IS215ACLEH1A should be replaced as a complete unit because separating the carrier and processor boards can introduce software and hardware compatibility problems.
What optional serial cable is used with IS215ACLEH1A?
IS215ACLEH1A uses separately ordered serial cable 336A3582P1 for a direct connection between a computer COM port and an ACLE COM port.