OptiFlex™ I/O Expander – FIO012u

Compact I/O expansion for OptiFlex™ BACnet building controllers
The OptiFlex™ I/O Expander FIO012u provides a simple and space‑efficient solution for expanding input and output capacity on OptiFlex™ BACnet Building Controllers, supporting system growth while maintaining seamless integration with the WebCTRL® building automation system.

Features

I/O Expansion Capability
Expands the input and output capacity of compatible OptiFlex™ BACnet Building Controllers, supporting additional control points as system requirements grow.
Local Service & Updates
Includes a USB port for local device updates, simplifying maintenance and servicing.
Flexible Mounting Options
Supports DIN rail or screw mounting, allowing installation in control panels, mechanical rooms, or equipment enclosures.
Seamless WebCTRL® Integration
Integrates directly with the WebCTRL® building automation system, ensuring consistent system operation and centralized management.

Specifications

Controller Compatibility

The FIO012u is compatible with the following OptiFlex™ BACnet Building Controller models:

OF1628
OFBBC
OF1628‑NR
OFBBC‑NR
OF028‑NR

Connectivity & Expansion

The expander connects directly to the host OptiFlex™ controller to extend system I/O capacity without requiring additional standalone controllers.

Service Interface

A USB service port is provided for local firmware updates and device servicing.

Mounting & Installation

Supports DIN rail or screw mounting, enabling flexible installation in a variety of approved locations.

Document Name	Description	Document Type	Language	Action
Spec Sheet	OptiFlex™ I/O Expander (FIO012u) Spec Sheet	PDF	English	Download
Modbus Protocol	OptiFlex™ I/O Expander (FIO012u) Modbus	PDF	English	Download

Document Name

Description

Document Type

Language

Action

Spec Sheet

OptiFlex™ I/O Expander (FIO012u) Spec Sheet

PDF

English

Download

Modbus Protocol

OptiFlex™ I/O Expander (FIO012u) Modbus

PDF

English

Download

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OptiFlex™ I/O Expander – FIO012u

OptiFlex™ I/O Expander – FIO012u

Features

I/O Expansion Capability

Local Service & Updates

Flexible Mounting Options

Seamless WebCTRL® Integration

Specifications

Controller Compatibility

Connectivity & Expansion

Service Interface

Mounting & Installation

Technical Documents

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Looking for the right product solution?

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