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    GEM80 Memory Module Support
    Apter Power supports quotation, technical documentation and GEM80 configuration review for 8222-4012.

8222-4012

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GEC Industrial Controls 8222-4012 128K RAM module for GEM80 ladder expansion and configured user-memory duties.
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Technical specifications for 8222-4012

  • Manufacturer:
    GEC Industrial Controls
  • Part Number:
    8222-4012
  • Product Family:
    GEM80 Series
  • Product Type:
    RAM Module
  • Stock:
    1
  • Memory Capacity:
    128K
  • Module Type:
    RAM Module
  • Primary Role:
    Ladder Expansion
  • Central Module Slots:
    1
  • Documented Systems:
    GEM80/301, GEM80/302, GEM80/303 and GEM80/310
  • Weight:
    0.46 kg
  • Estimated shipping dimensions:
    1.8x24.4x23.3cm
  • 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:

  • 128K capacity: OEM-listed read/write memory for GEM80 ladder expansion.
  • Central highway resource: Adds user-memory capacity within the documented controller architecture.
  • Operational indications: PROGRAM PASS, PROGRAM FAIL and BATTERY WARNING support direct front-panel review.
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.

Front-panel program and battery indications provide maintenance teams with immediate status cues while preserving the controller's configured 128K memory plan.

Apter Power supports GEC Industrial Controls 8222-4012 RAM Module quotation, technical-documentation and GEM80 configuration-review requests.
GEC Industrial Controls 8222-4012 RAM 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 8222-4012.
  • Configured duty: The controller memory plan determines whether the installed capacity serves ladder, video-format or off-line data storage.
  • 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.
Description
8222-4012 is a 128K GEC memory module documented for ladder-program expansion in GEM80 controllers. It adds read/write user-memory capacity on the central side of the controller architecture.

8222-4012 is also listed in the GEM80/310 spares schedule for additional video formats and off-line data storage. The controller memory plan determines which duty the installed capacity serves.

8222-4012 occupies one central-module slot. Its PROGRAM PASS, PROGRAM FAIL and BATTERY WARNING indications support status review while the controller retains the installed 128K memory allocation.
Alternative Names
8222 4012 82224012 GEC 8222-4012 GEC 8222 4012 GEC Industrial Controls 8222-4012 GEM80 8222-4012 GEM80 8222 4012 GEC GEM80 8222-4012
Technical notes
GEM80/310 subracks ordered without 8222-4012 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 128K 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 8222-4012 and 8222-4001 for a GEM80 controller?
Choose 8222-4012 when the documented memory plan requires 128K of read/write user memory. The related 8222-4001 provides 256K, so capacity and the assigned memory duties should drive the selection.
Can 8222-4012 operate as a standalone GEM80 processor?
No. It is a central 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.
What does the PROGRAM FAIL indication mean for 8222-4012 service planning?
It provides a front-panel program-status signal for the memory module. Use it as a diagnostic starting point while following the GEM80 maintenance procedure and protecting the installed memory allocation.

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