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    GEM80 Memory Module Support
    Apter Power supports quotation, technical documentation and GEM80 configuration review for 8222-4001.

8222-4001

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GEC Industrial Controls 8222-4001 256K read/write memory module for GEM80 ladder expansion and configured user-memory duties.
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Technical specifications for 8222-4001

  • Manufacturer:
    GEC Industrial Controls
  • Part Number:
    8222-4001
  • Product Family:
    GEM80 Series
  • Product Type:
    Read/Write Memory Module
  • Stock:
    1
  • Memory Capacity:
    256K
  • Module Type:
    Read/Write Memory Module
  • Primary Role:
    Ladder Expansion
  • Central Module Slots:
    1
  • Documented Systems:
    GEM80/301, GEM80/302, GEM80/303 and GEM80/310
  • Optional EPROM Submodule:
    9210-4001
  • Weight:
    0.46 kg
  • Estimated shipping dimensions:
    1.8x24.4x23.6cm
  • Tariff Code:
    8537101190
  • Country of origin:
    United Kingdom
  • 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 Memory Use Diagnostics Integration Applications

Features:

  • 256K capacity: OEM-listed read/write memory for GEM80 ladder expansion.
  • Central highway resource: Adds user-memory capacity within the documented controller architecture.
  • Configurable allocation: Each 64K RAM block is assigned to extension programs, additional video formats or off-line data storage.
The module extends the central user-memory resources available to the GEM80 controller without acting as a standalone processor.

Engineering value comes from assigning the installed memory to the required controller task and retaining that allocation with the site program documentation.

The separate 9210-4001 EPROM option adds a manufacturer-documented path for more secure program, preset and video storage where the installed design requires it.

Apter Power supports GEC Industrial Controls 8222-4001 Read/Write Memory Module quotation, technical-documentation and GEM80 configuration-review requests.
GEC Industrial Controls 8222-4001 Read/Write Memory Module Manuals,Datasheets,Link

Important Notice: Confirm the controller memory allocation, central-module slot and subrack preparation before installation.

  • Extension program memory: Capacity may be assigned to ladder-program expansion.
  • Video formats: RAM blocks may be assigned to additional video-format storage.
  • Off-line storage: RAM blocks may be assigned to off-line data storage.
  • Program status: PROGRAM PASS and PROGRAM FAIL indications support direct front-panel review.
  • Battery warning: The dedicated warning lamp identifies when the memory-support battery needs attention.
  • Battery servicing: The OEM procedure covers battery renewal when the warning is lit or the specified service life is exceeded.
  • Central highway: The module contributes read/write user memory within the GEM80 controller architecture.
  • Slot use: The OEM ordering table assigns one central-module slot to 8222-4001.
  • EPROM option: The separately ordered 9210-4001 plug-in is mapped by the OEM to the 8222-4001 RAM/EPROM module.
  • Ladder expansion: Increases user-program memory for GEM80 controller applications that exceed the base ladder allocation.
  • Video formats: Supports additional GEM80/310 video-format storage where the system memory plan assigns capacity to that function.
  • Off-line data: Provides an OEM-listed GEM80/310 memory resource for off-line data storage.
  • EPROM-backed storage: The optional 9210-4001 submodule supports more secure storage of ladder programs, presets and video data.
Description
8222-4001 is a 256K GEC read/write memory module documented for ladder-program expansion in GEM80 controllers. The manufacturer places the module on the controller's central highway as part of the user-memory architecture.

8222-4001 is also listed in the GEM80/310 spares schedule for additional video formats and off-line data storage. These uses depend on the controller memory allocation selected for the installed system rather than on a universal default.

8222-4001 occupies one central-module slot and may accept the separately ordered 9210-4001 EPROM submodule for more secure storage of ladder programs, presets and video data.
Alternative Names
8222 4001 82224001 GEC 8222-4001 GEC 8222 4001 GEC Industrial Controls 8222-4001 GEM80 8222-4001 GEM80 8222 4001 GEC GEM80 8222-4001
Technical notes
GEM80/310 subracks ordered without 8222-4001 require preparation 8899-4227 before a later installation. Because the required backplanes and links can be difficult to add after delivery, confirming this preparation early helps maintenance teams avoid unexpected rack work and supports planned integration of the 256K memory option.
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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.
How should an engineer choose between 8222-4001 and 8222-4012 for a GEM80 controller?
Choose 8222-4001 when the documented memory plan requires 256K of read/write user memory. The related 8222-4012 provides 128K, so the required capacity and assigned memory duties should drive the selection.
When does the 9210-4001 option add value to an 8222-4001 installation?
The OEM lists 9210-4001 as the separate EPROM option for more secure storage of ladder programs, presets and video. Include it when the documented GEM80 design calls for EPROM-backed storage.
Can 8222-4001 operate as a standalone GEM80 processor?
No. It is a central read/write user-memory module; the GEM80 ladder and I/O processors retain their execution roles. Select it to add configured memory capacity rather than processing functionality.

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