Description
- Product Model: MS‑NAE5510‑3
- Brand: Johnson Controls
- Warranty: One Year
- Input Voltage: 24 VAC / 24 VDC; typical power consumption 15 W, max 25 W
- Operating Temperature: 0 °C ~ +40 °C
- Storage Temperature: ‑20 °C ~ +60 °C; humidity 5‑95 %RH non‑condensing
- Response Time: Determined by Metasys Niagara framework; supports real‑time trend logging, alarm processing, schedule execution
- Protection Class: IP30 housing, indoor cabinet wall‑mount; no DIN‑rail support
- Accuracy Class: N/A (Metasys NAE55 Network Automation Engine, supervisory network controller, no local physical I/O points)
- Output Frequency: N/A
- Rated Capacity: Supports Metasys N2 bus field controllers; BACnet device object capacity depends on firmware release; onboard flash memory for OS, application, trend & alarm history data
- Communication Interface: 2×10/100Mbps Ethernet RJ45; RS‑485 N2 bus port; USB service port; optional internal modem slot
- Supported Protocols: Metasys N2, BACnet/IP, BACnet MS/TP, Modbus‑TCP, Modbus‑RTU, LonTalk; embedded web‑server for browser access; BTL‑certified B‑BC/B‑BBMD; supports OPC integration
- Overload Capacity: Galvanic isolation on serial ports; hardware watchdog for system fault recovery; FIPS 140‑2 Level 1 compliant (Release 11.0 firmware); UL864 smoke‑control certified for ‑3U variantJohnson Co…
- Dimensions: 263 mm × 58 mm × 228 mm; weight approx 2.2 kg

Product Overview
The Johnson Controls MS‑NAE5510‑3 is a Metasys® NAE55 series Network Automation Engine supervisory controller running Niagara framework. It acts as core network supervisor for building‑automation systems, collecting data from field HVAC controllers, executing control logic, alarm management, trend logging and time‑based scheduling. It connects N2 bus legacy field devices to IP network, integrates multi‑protocol third‑party equipment and provides built‑in web HMI for remote monitoring. Important note: this unit has no hard‑wired physical I/O, all points are mapped from downstream field controllers. It addresses typical BAS pain‑points: multi‑protocol heterogeneous device integration, centralized building supervisory management, web‑based remote access for large commercial sites. BMS engineers and facility technicians benefit from embedded web interface, multi‑protocol gateway capability, spare‑part replacement for existing Metasys NAE55 deployments.







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