Honeywell UN-RS0844MSB230NMC

The Honeywell Optimizer Unitary Controller is a Niagara device designed for seamless data exchange between controllers. It supports multiple protocols, including BACnet MS/TP for reliable serial communication in building automation systems.

This controller offers 8 universal inputs/outputs (UIO), which can be configured as analog inputs, binary inputs, or analog outputs for maximum flexibility. It also features 4 relay outputs, designed for high inrush current applications in HVAC control.

In addition, the controller includes 4 chopper digital outputs (DO CHP), providing enhanced switching capabilities for diverse control applications. It also supports Sylk Bus Interface for direct connection to Honeywell Sylk wall modules and Modbus RTU for integration with third-party devices over serial communication.

The controller is Niagara 4-based, ensuring unified programming and management within the building automation system. It also features built-in Bluetooth Low Energy (BLE) for wireless connectivity, simplifying commissioning and diagnostics.

The controller offers flexible mounting options, including DIN rail, surface mounting, or enclosure installation. It also includes a built-in web server with HTML5 for remote access and graphical interface for easy configuration and monitoring.