Description
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Key Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | MS-NAE5510 |
| Processor | 1.6 GHz Intel Atom |
| Memory | 2 GB RAM, 16 GB non-volatile flash storage |
| Power Input | 24 VAC, Class 2, 20–30 VAC operating range, max 50 VA |
| Primary Network | 10/100 Mbps Ethernet (BACnet/IP) |
| Field Buses | Dual optically isolated RS-485 for N2 Bus / BACnet MS/TP |
| Serial Ports | 2 × RS232, 2 × USB |
| Operating Temperature | 0°C to +50°C |
| Humidity | 10% to 90% RH, non-condensing, max dew point 30°C |
| Enclosure Rating | IP20, DIN rail or wall mount |
| Compliance | BACnet BTL listed; Release 11.0+ supports FIPS 140-2 Level 1 |
| Backup Power | Onboard rechargeable battery for real-time clock and data retention |
Product Introduction
Johnson Controls MS-NAE5510 is a Metasys Network Automation Engine built for building automation systems. It acts as a supervisory controller, running control logic, storing trend logs, and processing alarms for connected HVAC, air handler, and VAV field controllers. It bridges IP-based operator workstations to legacy N2 bus and BACnet MS/TP field devices.
This engine retains critical alarm and trend data locally if the upper server connection drops. Its web-accessible site portal lets technicians view points, adjust schedules, and acknowledge alarms without dedicated workstation software.
MS-NAE5510
MS-NAE5510
MS-NAE5510
MS-NAE5510
MS-NAE5510
Application Scenarios & Field Experience
Part 1 (Narrative Paragraph)
Large commercial BAS installations rely on stable supervisory nodes to aggregate hundreds of field controllers. Server outages can disable alarm reporting and scheduled HVAC sequences unless control logic runs locally. The MS-NAE5510 maintains standalone operation, continues control execution, and buffers historical data during loss of server connectivity.
Part 2 (Numbered List)
- Hospital HVAC building automation: Manage air handlers, pressurization zones, and temperature setpoints in occupied patient wings.
- Office campus Metasys retrofit: Integrate legacy N2 VAV controllers with modern BACnet/IP operator stations during partial system upgrades.
- Retail mall energy management: Collect runtime trends, execute scheduled setback, and trigger equipment alarms across multiple building zones.
- University facility controls: Coordinate lab exhaust fans and air handling units with fire and smoke control interlock logic.
Part 3 (Short Field Story)
A hospital’s Metasys ADS server crashed overnight. The existing NAE kept running local control, retained zone temperature trends, and forwarded alarms to the BAS operator panel. After swapping a failing MS-NAE5510 spare, all field bus communications stabilized. The facility team restored server connectivity the next business day without zone shutdown or patient comfort issues.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Inspect housing, port connectors, OEM labels and serial numbers. Check casing integrity and validate OEM part marking against anti-counterfeit criteria.
- Live Rig Testing: Apply 24 VAC Class 2 power, confirm power-on boot and status LED sequence. Verify Ethernet and RS485 field bus port communication.
- Firmware Verification: Read and log Metasys firmware release version. Record revision in the QC report to validate site compatibility.
- Functional Point Test: Simulate analog and binary point inputs, confirm local alarm generation, trend logging, and schedule execution.
- ESD-Safe Packaging: Place unit inside static shielding bag, secure with foam inserts in rigid carton. Include signed QC test certificate for shipment.
Frequently Asked Questions (FAQ)
Q1: What field bus devices work with MS-NAE5510? A: It supports N2 Bus and BACnet MS/TP controllers, plus BACnet/IP integration. It does not include LonWorks; select MS-NAE5520 models carry the LonWorks port. Confirm your Metasys software release before ordering.
Q2: What warranty is included for this module? A: We offer a 12-month warranty. Warranty covers hardware defects. It does not cover damage from incorrect 24V wiring, ESD events, corrupted firmware, or misconfigured bus termination.
Q3: Do you hold stock of MS-NAE5510 and what is the shipping timeline? A: We carry limited inventory of new surplus and refurbished units. Most fully tested units ship within 1–3 business days after QC approval. Confirm stock status through our website before procurement.
Q4: Can firmware version mismatches break field bus communications? A: Yes. Mismatched Metasys release versions can create N2 bus timeouts, missing point values, or failed alarm delivery. We provide firmware revision records with each shipped unit for your controls team review.
Q5: Can I hot swap this NAE while the BAS remains online? A: Do not hot swap without backup supervisory architecture. Removing power from a single live NAE stops local logic and alarm buffering. If redundant NAE nodes exist, follow Johnson Controls Metasys replacement procedure.
