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8174-4002

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GEC Industrial Controls 8174-4002 is a GEM80 remote I/O interface module used to extend controller I/O communication beyond the local rack.
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Technical specifications for 8174-4002

  • Manufacturer:
    GEC Industrial Controls
  • Part Number:
    8174-4002
  • Product Family:
    GEM80 Series
  • Product Type:
    GEM80 Remote I/O Interface Module
  • Stock:
    1
  • Platform:
    GEC GEM80
  • Communication role:
    Controller-to-remote-I/O data transfer
  • Installation context:
    GEM80 local or remote rack arrangement
  • Addressing:
    System-engineered station assignment
  • Line requirement:
    Correct cable and termination for installed generation
  • Replacement basis:
    Exact 8174-4002 suffix
  • Documentation:
    GEC GEM80 remote I/O manual T518
  • Weight:
    1.014 lbs (0.46 kg)
  • Estimated shipping dimensions:
    22.5 x 23.5 x 4 cm
  • 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 Connectivity Interoperability Operating Environment

Features:

  • Provides the GEM80 remote I/O interface function.
  • Transfers I/O data between the controller and a supported remote station.
  • Retains the specific 8174-4002 hardware suffix for legacy matching.
The 8174-4002 assembly is an interface component, not a stand-alone collection of field channels.

Its purpose is to maintain the data path across the engineered GEM80 remote-I/O arrangement.

Link wiring and station identity should be verified at both endpoints before board exchange.

Availability is confirmed against the complete 8174-4002 identity, required condition, quantity and delivery destination at quotation.
Verified resources for GEC Industrial Controls 8174-4002: 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.
  • Extend GEM80 I/O exchange to a remote plant cabinet.
  • Maintain a distributed legacy control system with existing remote stations.
  • Restore communication after failure of the original remote interface assembly.
  • The interface forms one endpoint of the GEM80 remote-I/O link.
  • Cable type and connector orientation must follow the original transmission design.
  • Line termination should be inspected at the correct physical ends of the network.
  • The opposite endpoint must use the compatible GEM80 remote-I/O generation.
  • Station assignments must agree with the controller's configured I/O map.
  • No cross-generation interchange should be assumed from a similar board outline.
  • Install the board within the protected rack and cabinet specified for the GEM80 system.
  • Prevent contamination and connector oxidation on the remote-link contacts.
  • Maintain cabinet temperature and ventilation suitable for the legacy electronics.
Description
8174-4002 is the remote I/O interface assembly described in the original GEC GEM80 hardware literature. It establishes the system link used to exchange I/O information with a supported remote station rather than serving as an individual field-input or field-output card. Its dedicated interface function allows I/O to be positioned away from the main controller while remaining part of the deterministic data exchange expected by the original GEM80 design.

The module participates in a complete remote-I/O chain that includes the controller interface, transmission medium, remote hardware and correctly ordered station configuration. Stable operation depends on the addressing and line arrangement engineered for the particular GEM80 installation. Remote cabinets in process or material-handling areas can therefore report inputs and receive commands without relocating the central processor, provided the station layout and link remain intact.

Before replacement, document link connectors, station numbering, termination and cable route. Only the exact 8174-4002 suffix should be selected unless the original manual explicitly proves another version compatible with the installed remote-I/O generation. A complete service check should examine both ends of the communications path, verify addressing and termination, and confirm that loss-of-link behavior agrees with the site's safe-state requirements.
Alternative Names
8174-4002 8174 4002 81744002 GEC 8174-4002 GEC GEM80 Remote I/O Interface GEM80 Remote Interface 8174-4002 8174 GEM80 I/O Link Module
Technical notes
Verify station addressing and both ends of the remote link before replacing 8174-4002; a cable or termination fault can mimic a failed interface card.
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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 remote-system function belongs to GEC 8174-4002?
It provides the interface that exchanges GEM80 I/O data with the supported remote station.
Which link conditions should be checked before condemning an 8174-4002 board?
Inspect cable continuity, connector seating, line termination, station assignment and the opposite interface.
How is GEC 8174-4002 used when plant I/O is distributed?
It supports the communication path between the controller rack and a remote I/O location.
What does an availability check for 8174-4002 include?
Apter Power confirms the precise suffix, connector state, tested condition, stock quantity and shipping requirement.
When would a newer interface replacing GEC 8174-4002 require engineering changes?
Different protocol, addressing, cabling, termination or rack hardware prevents a simple board-for-board exchange.
Which site details make an 8174-4002 quotation reliable?
Provide both endpoint labels, station numbers, cable type, rack drawings, fault history, quantity and destination.

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