OptiFlex™ Advanced Application Controller – OF253A-E2

BMS & Control Automated Logic BUILDING CONTROLLERS
OptiFlex™ Advanced Application Controller – OF253A-E2
ZONE CONTROL

OptiFlex™ Advanced Application Controller – OF253A-E2

Flexible, high‑performance controller for advanced zone‑level HVAC applications
The OptiFlex™ Advanced Application Controller OF253A‑E2 provides reliable, distributed control for zone‑level temperature, indoor air quality, and energy management applications, combining graphical programming, robust BACnet/IP networking, and seamless WebCTRL® integration.

Features

Versatile Zone‑Level Application Support

Suitable for a wide range of applications including zone‑level temperature control, air quality management, and energy optimization.

Standard Control Program Library

Includes a standard library of control programs for most unitary equipment and zone applications, reducing engineering and commissioning effort.

Touchscreen & Smart Device Compatibility

Supports OptiPoint™ touchscreen interfaces, OptiPoint™ smart valves, and related accessories for simplified management and occupant engagement.

Live Control Logic Visualization

Provides live, visual displays of control logic, helping operators troubleshoot and optimize system operation using real‑time data.

Specifications

Networking & Communications

The controller includes dual high‑speed Ethernet ports supporting native BACnet/IP, daisy‑chain networking, and Spanning Tree Protocol (STP) for reliable and resilient network operation.

Service Connectivity

Supports both hard‑wired and wireless service connections, enabling flexible commissioning and troubleshooting.

Memory & Data Retention

Uses non‑volatile memory to store control programs and historical data, eliminating the need for batteries.

Timekeeping & Power Resilience

A capacitor‑backed real‑time clock maintains accurate timekeeping for at least three days during power failures or network interruptions.

Technical Documents

Document Name Description Document Type Language Action
Spec Sheet OptiFlex™ Advanced Application Controller (OF253A‑E2) Spec Sheet PDF English Download
Modbus Protocol OptiFlex™ Advanced Application Controller (OF253A‑E2) Modbus Protocol PDF English Download
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