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8261-4164

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GEC Industrial Controls 8261-4164 is a -4164 ladder processor assembly associated with GEM80/141 and GEM80/142 controllers.
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Technical specifications for 8261-4164

  • Manufacturer:
    GEC Industrial Controls
  • Part Number:
    8261-4164
  • Product Family:
    GEM80 Series
  • Product Type:
    GEM80/141/142 Ladder Processor Module
  • Stock:
    1
  • Documented systems:
    GEM80/141 and GEM80/142
  • Execution model:
    Cyclic relay-ladder processing
  • Data dependency:
    Installed application and retentive information
  • Companion hardware:
    Compatible memory and rack assemblies
  • Change control:
    Backup, comparison and functional acceptance required
  • 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 Applications Interoperability Updates Certifications

Features:

  • Provides ladder-processing service for GEM80/141 and GEM80/142.
  • Retains the distinct 8261-4164 assembly build.
  • Operates with the configured 140-series memory and I/O arrangement.
The 4164 suffix is a primary hardware selector for this legacy processor.

Application logic is executed through the installed memory and rack relationships of the controller.

A replacement plan should prove both physical compatibility and recoverability of the running program.

Availability is confirmed against the complete 8261-4164 identity, required condition, quantity and delivery destination at quotation.
Verified resources for GEC Industrial Controls 8261-4164: 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.
  • Execute established control logic in a GEM80/141 automation rack.
  • Support a GEM80/142 installation that specifically uses 4164 hardware.
  • Maintain a configuration-controlled spare for legacy processor replacement.
  • The 4164 assembly must match the installed 140-series backplane and memory relationship.
  • Program and data formats depend on the documented controller generation.
  • No interchange with 415x suffixes should proceed without hardware evidence.
  • Any application update should preserve an archived pre-change version.
  • Revision changes must be documented together with processor and memory labels.
  • Post-change verification should cover startup, I/O mapping and sequence behavior.
  • Site acceptance records should identify the exact processor used for the validated application.
  • Panel work must retain original segregation, earthing and protective practices.
  • Functional sign-off should follow the plant's approved change-control procedure.
Description
8261-4164 is a ladder processor variant within the hardware documented for GEM80/141 and GEM80/142 systems. Its 4164 code represents a particular assembly population and must remain visible throughout sourcing, programming and maintenance records. The distinctive suffix points to a hardware configuration that may differ in memory support, board population or interface behavior from visually related assemblies in the same processor family.

The processor supports the controller's cyclic execution of the plant application, using the memory and I/O organization selected for the installed 140-series system. It can only reproduce the intended process behavior when the correct program, data and companion hardware are present. In its intended 140-series rack, it provides the computation needed for repeatable sequencing and interlocking while drawing all process meaning from the installed application and I/O map.

Do not assume compatibility with neighboring processor versions from the shared root number. Inspect the existing board, memory modules and backplane, identify the program-transfer route and establish a rollback plan before the original processor is disturbed. A conservative exchange procedure should preserve the removed board, document switch or jumper positions, load the verified project and complete a staged functional test with a defined rollback route.
Alternative Names
8261-4164 8261 4164 82614164 GEC 8261-4164 GEC GEM80 4164 Processor GEM80/141 Ladder Processor 8261-4164 8261-4164 GEM80 CPU Module
Technical notes
Confirm memory-interface and backplane compatibility for 8261-4164 independently of the 8261-415x family; shared numbering does not prove interchangeability.
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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.
What compatibility question is unique to GEC 8261-4164?
Its 4164 assembly must be checked against the installed backplane and memory interface rather than inferred from 415x versions.
How should an operating 8261-4164 system be prepared for board removal?
Create a verified application backup, capture diagnostic state and document companion hardware plus connector positions.
What controller task is performed by GEC 8261-4164?
It executes the relay-ladder control cycle for a documented GEM80/141 or GEM80/142 system.
How is the exact GEC 8261-4164 assembly protected in a sales order?
Apter Power records the full code, label evidence, condition, quantity and destination so no 415x substitute is assumed.
Which components may need review during a 8261-4164 replacement?
Processor, memory, rack, programming interface and application revision must be evaluated as one recovery set.
What confirmation is needed before quoting GEC 8261-4164?
Provide both board-side photographs, rack and memory labels, application-backup status, required condition and delivery details.

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