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8333-4001

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GEC Industrial Controls 8333-4001 programmable serial communications module for GEM80 20 mA current-loop and programming connections.
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Technical specifications for 8333-4001

  • Manufacturer:
    GEC Industrial Controls
  • Part Number:
    8333-4001
  • Product Family:
    GEM80 Series
  • Product Type:
    Programmable Serial Communications Module
  • Stock:
    1
  • Termination Panel:
    8038
  • Serial Interface:
    20 mA Current Loop
  • User Port Allocation:
    Terminals 14–25
  • Programming Port Allocation:
    Terminals 1–13
  • Remote Programming Allocation:
    Terminals 26–30
  • Weight:
    0.48 kg
  • Estimated shipping dimensions:
    24.5x23.5x2cm
  • 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 Serial Paths Panel Integration Multidrop Links Product Applications

Features:

  • Separated communication paths: The 8038 panel keeps the operating serial port distinct from the module-programming connection.
  • 20 mA loop integration: The documented interface supports established GEM80 current-loop communication arrangements.
  • Multidrop support: Transmit-bypass relays on the termination panel support the manufacturer's multidrop topology.
The module gives a GEM80 installation a defined serial communications function without combining operating traffic and programming access on the same terminal group.

Its practical value is the documented separation of user communication, local programming and remote-programming paths on the 8038 panel.

That structure gives commissioning teams clear reference points for wiring checks and later communication fault isolation.

Apter Power supports GEC Industrial Controls 8333-4001 Programmable Serial Communications Module quotation, technical-documentation and GEM80 application-review requests.
GEC Industrial Controls 8333-4001 Programmable Serial Communications Module Manuals,Datasheets,Link

Important Notice: Use the documented 8038 terminal allocation when planning operating, programming and multidrop connections.

  • Operating channel: The 8038 panel assigns terminals 14–25 to the serial port available for the user application.
  • Programming channel: Terminals 1–13 remain dedicated to programming the 8333 module.
  • Service separation: The two terminal groups keep normal communication and module-programming work on defined paths.
  • Panel role: The manufacturer specifies the 8038 termination panel for equipment kits built around the 8333 module.
  • Current-loop connection: The panel provides the 20 mA paths used by the module's serial functions.
  • Backplane path: The applicable GEM80 backplane carries module connections to the external termination panel.
  • Remote programming: Terminals 26–30 provide the manufacturer-defined System Programmer connection.
  • Transmit bypass: The 8038 panel uses relay contacts to provide bypass switching in a multidrop arrangement.
  • Port association: The bypass arrangement remains tied to the panel's documented serial-path allocation.
  • Network continuity: Commissioning should preserve the manufacturer's relay and terminal-group relationships throughout the loop.
  • GEM80 serial communication: Provides a programmable communications function within the documented controller architecture.
  • Current-loop installations: Works with the 8038 panel in 20 mA serial-loop arrangements.
  • Remote programming access: Supports the defined System Programmer path through the panel's dedicated terminals.
  • Multidrop networks: Uses the panel's transmit-bypass arrangement where the site follows the documented multidrop topology.
Description
Designed for GEM80 controller communications, 8333-4001 is the GEC programmable serial communications module paired with the 8038 termination panel. The module connects the controller to 20 mA current-loop paths used for operating communications and programming.

On the 8038 panel, terminals 14–25 form the user serial port for 8333-4001, while terminals 1–13 remain assigned to module programming. This split helps engineers trace field wiring without confusing the operating communication path with service access.

Remote programming for 8333-4001 uses terminals 26–30, and the panel's transmit-bypass relays support the documented multidrop arrangement. These defined paths make the OEM terminal allocation the practical reference for commissioning and fault isolation.
Alternative Names
8333 4001 8333/4001 83334001 GEC 8333-4001 GEC Industrial Controls 8333-4001 GEM80 8333-4001 8333-4001 Serial Communications Module GEC 8333 4001
Technical notes
GEC assigns only terminals 14–25 of the 8038 panel to the user serial port when it is paired with 8333-4001; terminals 1–13 remain the programming path. Preserving that division reduces the risk of commissioning the wrong loop, and Apter Power can help review the documented terminal plan before installation.
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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 can a team keep remote programming access separate from the operating loop on 8333-4001?
Use the 8038 panel's dedicated System Programmer connection at terminals 26–30 while retaining the user serial path at terminals 14–25. This layout lets service access remain separate from the operating communication channel.
When should the transmit-bypass relays be included in commissioning checks for 8333-4001?
Include them when the 8038 panel is used in the manufacturer-documented multidrop arrangement. Reviewing the relay path together with the loop drawing helps protect network continuity during commissioning.
What should an engineer review first when field wiring is being moved onto 8333-4001?
Start with the approved 8038 termination drawing and the assigned purpose of each terminal group. Apter Power can help compare the planned user, programming and remote-programming connections with the documented panel layout.

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