Description The Honeywell WEB-300E-O is a compact network controller featuring an open license architecture, equipped with dual Ethernet ports, RS-232 and RS-485 interfaces for versatile connectivity. It delivers integrated supervision, control, and web-based management across a wide range of building automation and industrial systems. Technical Specifications Condition New/Never Used Surplus Brand Honeywell Category Computer Part Number WEB-300E-O Subcategory Networking Router Processor PowerPC 440 @ 400 MHz RAM Onboard Static RAM (SRAM) Ethernet Ports 2 × 10/100 Mbps Serial Ports 1 × RS-232, 1 × RS-485 Optional Expansion Supported (I/O modules, additional comms cards) Power Supply Requirement External (Not included) Software Platform NiagaraAX Framework Web Interface Included Protocols Supported TCP/IP, HTTP, SNMP, oBIX, and others User Interface Web-based, no local display Licensing Open license included Mounting Type DIN rail Dimensions Approx. 5″ x 5″ x 2″ (without mounting tabs) Weight 5.00 lbs Information About WEB-300E-O The WEB-300E-O is a powerful embedded controller built on the Niagara Framework®, offering scalable management for HVAC, lighting, energy metering, and security systems over IP networks. It uses a 400 MHz PowerPC processor and onboard static RAM (SRAM) to support fast execution and system resilience, with optional battery backup available. This device can host multiple communications modules, enabling flexible expansion for RS-232, RS-485, and LON protocols. With an open license configuration, the controller includes full Niagara connectivity, oBIX Client/Server support, and a browser-accessible Web UI. Designed for edge device management, the WEB-300E-O can control external equipment in real time and supports various third-party protocols. It is part of the Honeywell WEBs-AX series and is suitable for energy management, centralized control, or distributed automation applications in commercial buildings. Key Features: Dual Ethernet Ports: Enable simultaneous upstream/downstream or LAN/WAN communication setups. Open License Configuration: Comes with built-in support for Niagara connectivity and oBIX Client/Server integration. Multi-Protocol Support: Features RS-232 and RS-485 ports for legacy and modern device communication. PowerPC 440 Processor: Operates at 400 MHz for efficient real-time data processing and control logic. Web-Based Interface: Offers a built-in Web UI for remote system access, monitoring, and configuration. Expandable Options: Supports additional I/O and communications modules via dedicated expansion slots. Reliable System Backup: Includes SRAM for local data protection; optional battery backup module is available. Modular Architecture: Compatible with NPB-LON, NPB-RS232, NPB-ZX-RS485, and other optional cards. System Compatibility: Integrates seamlessly with Honeywell WEBs-AX controllers and legacy system upgrades. Compact DIN Mount Design: Ideal for control panel integration in constrained or distributed installations. The WEB-300E-O combines reliable networking and protocol flexibility in a single scalable device, tailored for high-performance automation environments.
