Description
Product Overview
The Johnson Controls MS-NAE5510-3E designation appears to refer to the Metasys NAE55 Network Automation Engine family, a supervisory controller used in building automation systems. The NAE55 coordinates data exchange between connected building equipment and the Metasys supervisory environment. Typical system-level applications include HVAC monitoring, equipment scheduling, alarm management, and integration of supported field controllers. The NAE is a supervisory device rather than a standalone field I/O module, so its role depends on the connected controllers, network topology, and installed Metasys software.
For the documented MS-NAE5510-3 model, Johnson Controls specifies a nominal 24 VAC supply with an acceptable input range of 20–30 VAC and maximum consumption of 50 VA. The platform includes one 10/100/1000 Mbps Ethernet interface, two optically isolated RS-485 ports, two RS-232-C serial ports, and two USB 2.0 serial ports. The NAE55xx-3 family uses an Intel Atom E3815 processor, 16 GB of nonvolatile flash storage, and 2 GB DDR3 SDRAM. These details apply to the documented -3 family; verify the exact -3E designation and hardware revision before using them for procurement or design work.
For maintenance and replacement planning, the Johnson Controls MS-NAE5510-3E must be matched to the existing Metasys software release, site configuration, network addressing, and connected field devices. A replacement may require configuration restoration and validation of supervisory communications before the building management system can resume normal operation. Do not assume that similarly named NAE55 models have identical software images, compliance status, or interfaces. Confirm the full product code, hardware revision, and available backup with the supplier before purchasing. Confirm actual condition with supplier, especially for used or refurbished units.
Product Introduction
The Johnson Controls Metasys NAE55 is a network supervisory controller for building automation systems. It coordinates information from supported field controllers and connected equipment through Ethernet and serial interfaces, supporting centralized HVAC monitoring and system-level control.
The exact MS-NAE5510-3E suffix remains unverified in the available manufacturer catalog. Confirm the full product code, software release, power requirements, and installed system compatibility before replacement.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Johnson Controls |
| Model supplied | MS-NAE5510-3E |
| Documented reference model | MS-NAE5510-3 |
| Product type | Metasys Network Automation Engine |
| Product family | NAE55 |
| Application | Building automation / HVAC supervisory control |
| Power requirement | 24 VAC nominal |
| Permitted input range | 20–30 VAC |
| Frequency | 50/60 Hz |
| Maximum power consumption | 50 VA |
| Processor | Intel Atom E3815, 1.46 GHz, for documented NAE55xx-3 models |
| Nonvolatile storage | 16 GB flash |
| RAM | 2 GB DDR3 SDRAM |
| Ethernet | 1 port, 10/100/1000 Mbps |
| RS-485 | 2 optically isolated ports |
| RS-232 | 2 ports |
| USB | 2 USB 2.0 serial ports |
| Operating temperature | 0°C to 50°C |
| Relative humidity | 10%–90%, noncondensing; 30°C maximum dew point |
| Protection rating | IP20 |
| Mounting | Flat surface or dual 35 mm DIN rail |
| Dimensions | 226 × 332 × 96.5 mm, including mounting feet |
| Shipping weight | Approximately 2.9 kg |
Exact -3E suffix |
Not independently verified |
| Condition | Confirm actual condition with supplier |
Specifications are from Johnson Controls documentation for the NAE55xx-3 family. Confirm the exact model and configuration before using these values as guaranteed specifications for the supplied unit.
MS-NAE5510-3
Related Products
These products belong to the Metasys network-engine family or related supervisory-control range. They are not automatically interchangeable.
| Product | Description |
|---|---|
| Johnson Controls MS–3 | Documented NAE55 model and the closest confirmed reference for the supplied designation. |
| Johnson Controls MS-NAE5520-3 | Related model; compare supported functions and configuration before substitution. |
| Johnson Controls MS–3U | variant associated with specific smoke-control approvals and software requirements. |
| Johnson Controls MS–2U | Earlier smoke-control variant with a different hardware/software configuration. |
| Johnson Controls NAE85 | Higher-tier Metasys Network Automation Engine family; migration requires system-level compatibility review. |
Frequently Asked Questions
Q1: Can the MS–3E be hot-swapped?
Do not assume hot-swap capability. The NAE is a supervisory controller, and removing it may interrupt monitoring, alarms, or communications with connected systems. Follow the site’s approved maintenance procedure and confirm redundancy or backup coverage first.
Q2: Does the require a specific software release?
Yes. Software compatibility matters when restoring a configuration or replacing an existing controller. Confirm the installed Metasys release and the replacement unit’s software image before commissioning. Johnson Controls notes that field upgrades depend on whether the upgrade is supported.
Q3: Is MS–3E interchangeable with MS–3?
That is not confirmed. The exact -3E suffix could not be verified in the catalog references consulted. Compare the full nameplate code, hardware revision, software version, and regional or certification requirements before approving a replacement.
Q4: What power supply does the documented -3 require?
The documented model uses nominal 24 VAC, with a specified range of 20–30 VAC at 50/60 Hz and a maximum consumption of 50 VA. Verify the actual unit label and installation documentation before wiring.
Q5: Could replacement affect building configuration or trend data?
Potentially. Back up the Metasys database and available configuration before removal. After installation, validate device communications, schedules, alarms, trends, and supervisory functions before returning the system to normal service.
Q6: How should buyers verify condition and authenticity?
Request photographs of the nameplate, product code, serial number, connectors, and enclosure. Ask for software-release information and available test records. Confirm whether the unit is new, used, repaired, or refurbished; the model number alone does not establish condition.
Q7: What should be checked before installation?
Verify the 24 VAC supply, Ethernet and serial wiring, software compatibility, site configuration backup, connected field devices, and required approvals. Confirm the exact suffix before ordering to avoid receiving a related but incompatible variant.
