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IC655MEM513

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The General Electric IC655MEM513 16K EPROM Memory Module holds a controlled application image for compatible Series Five processors.
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Technical specifications for IC655MEM513

  • Manufacturer:
    General Electric
  • Part Number:
    IC655MEM513
  • Product Family:
    GE Intelligent Platforms
  • Product Type:
    16K EPROM Memory Module
  • Stock:
    1
  • Program Memory Technology:
    UV-erasable EPROM
  • Program Capacity:
    16K
  • Register Expansion:
    Separate 16K RAM area
  • Register Enable:
    CPU jumper dependent
  • Online Program Editing:
    Not supported for EPROM
  • Erase Method:
    Ultraviolet exposure using approved process
  • Primary Purpose:
    Fixed application plus expanded registers
  • Commissioning Check:
    EPROM checksum, jumper, and register map
  • Estimated shipping dimensions:
    7.2 × 5.1 × 1.3 cm
  • Tariff Code:
    8538900000
  • 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 Dual Memory Role CPU Jumper EPROM Control Return to Service

Features:

  • Combines fixed 16K EPROM code with 16K of additional register RAM.
  • Separates nonvolatile application storage from writable process data.
  • CPU jumper control makes register-map verification part of replacement.
IC655MEM513 is a dual-resource memory option, so both the fixed program and expanded registers affect operation.

The EPROM portion follows an offline erase/program/verify process, while the register area depends on CPU configuration.

A successful restore proves checksum, register availability, and actual controller function together.

Apter Power offers quotation assistance and official-manual access for the General Electric IC655MEM513 16K EPROM Memory Module.
GE Fanuc IC655MEM513 16K EPROM Memory 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.

Separating fixed code from writable registers

  • Program section: A 16K EPROM holds the controller application.
  • Register section: A separate 16K RAM area expands data storage.
  • Different handling: Program and runtime data require distinct backup methods.
  • Host configuration: The CPU must expose the intended register range.

Enabling the expanded register map

  • Hardware setting: A CPU jumper participates in register expansion.
  • Address plan: Application references must match the enabled range.
  • Replacement copy: Preserve the original jumper state.
  • Fault symptom: Wrong or missing registers can occur with valid logic.

Maintaining the approved fixed application

  • Source archive: Keep the authoritative program outside the PLC.
  • Checksum label: Identify every programmed device before storage.
  • Offline update: Erase and reprogram through the approved process.
  • Verification: Compare the finished EPROM with the release image.

Validating both sides of the memory module

  • Program identity: Confirm revision and checksum.
  • Register access: Test application-critical expanded addresses.
  • Initialization: Restore any required starting values.
  • Functional run: Complete a controlled PLC sequence.
Description
The General Electric IC655MEM513 is a 16K EPROM Memory Module that combines a fixed controller application with a separate 16K register-expansion RAM area. The design keeps the nonvolatile program image distinct from writable data used by the running Series Five CPU.

Normal service does not edit the EPROM portion of IC655MEM513; its application image is prepared and verified offline. The additional register area, however, depends on the compatible CPU configuration and jumper setting, so a correct program device can still operate against an unexpected register map.

Two artifacts are needed to preserve an installation that uses IC655MEM513: the approved EPROM source and checksum, plus the configuration and required runtime values associated with expanded registers. Recording only the fixed image overlooks the writable part of the controller environment.

Commissioning IC655MEM513 calls for a comparison of EPROM identity, host jumper position, register references, and functional behavior. If the PLC executes but its values appear at the wrong addresses, the expansion setting should be investigated before the EPROM is erased or reprogrammed.
Alternative Names
IC655-MEM513 IC655MEM-513 IC 655 MEM 513 GE Fanuc IC655MEM513 General Electric IC655MEM513 GE Fanuc Series Five IC655MEM513 IC655MEM513 16K EPROM Memory Module 1C655MEM513
Technical notes
For IC655MEM513 service, preserve the EPROM checksum and register map, then verify the Series Five CPU jumper before restoring operation.
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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 a PLC with IC655MEM513 execute logic but use wrong register data?
When assessing IC655MEM513 operation, the EPROM may be correct while the 16K register expansion or CPU jumper is misconfigured; verify the host map before changing program memory.
What information belongs in an IC655MEM513 backup package?
Within the IC655MEM513 rack environment, keep the EPROM source and checksum, register allocation, required runtime data, CPU jumper state, host identity, and program revision.
Can the IC655MEM513 EPROM be edited through normal online programming?
The practical answer for IC655MEM513 is clear: No. The fixed program portion must be erased and reprogrammed offline with the approved workflow.
Why does replacing IC655MEM513 require more than copying the EPROM?
During IC655MEM513 recovery work, the module also provides expanded register RAM, and the application can depend on its map and retained or initialized values.
With IC655MEM513, what should be checked when expanded registers are unavailable?
When checking the IC655MEM513 application, verify the compatible CPU, jumper position, configured address range, and application references before assuming the memory hardware is defective.
How can an incorrect IC655MEM513 image be prevented from entering service?
At the IC655MEM513 load connection, label the device with host, revision, and checksum, verify it against the approved source, and perform a controlled test after installation.
With IC655MEM513, what is the safe sequence before an EPROM update?
While tracing an IC655MEM513 fault, export and verify the source, record the existing checksum and register configuration, erase and program the complete image, then validate it in the intended CPU.

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