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AHI Carrier global logo — commercial air conditioning, chillers, and HVAC control systems

OptiFlex™ I/O Expander

BMS & Control Automated Logic BUILDING CONTROLLERS
OptiFlex™ I/O Expander
FACILITY CONTROL

OptiFlex™ I/O Expander

Compact I/O expansion for enhanced OptiFlex™ controller capability
The OptiFlex™ I/O Expander OFX48 extends the input and output capacity of OptiFlex™ controllers, providing a flexible and space‑efficient solution for expanding control functionality while maintaining seamless integration with the WebCTRL® building automation system.

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Features

  • Expanded I/O Capacity

    Adds up to 4 outputs and 8 inputs, providing 12 additional control points when connected to an OF683XT‑E2 controller.

  • Flexible Mounting Options

    Expanders can be mounted directly to the OF683XT‑E2 in a compact configuration or remotely mounted up to 1,000 feet away, allowing flexible system design.

  • Manual Control Capability

    Includes Hand‑Auto‑Off (HOA) switches on all output channels for local override and troubleshooting.

  • DIN Rail or Screw‑Tab Mounting

    Supports DIN rail or screw‑tab mounting, enabling installation in control panels or equipment enclosures.

Technical Documents

Document NameDescriptionDocument TypeLanguageAction
Spec SheetOptiFlex™ I/O Expander – OFX48 Spec SheetPDFEnglish Download
Modbus ProtocolOptiFlex™ I/O Expander – OFX48 modbus protocolPDFEnglish Download

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