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Application (For United States and
Canada)
The secure Network Automation Engine (NAE-S) is a web-
enabled, Ethernet-based, supervisory device that monitors
and controls networks of field-level building automation
devices, including HVAC equipment, lighting, security, and
fire safety equipment. This document describes how to
install an NAE-S (MS-NAE551S-2).
The NAE-S is hardened version of the standard NAE55 that
uses embedded encryption technology to protect and
secure the building management system at the endpoint.
The engine meets the Federal Information Processing
Standard (FIPS 140-2), Security Level 2, that specifies the
use of a cryptographic module and a tamper-proof cover.
The NAE-S is also Common Criteria certified. Figure 2
shows the NAE-S model.
Dimensions
Figure 1: NAE-S Dimensions
NAE-S Installation Guide
Physical Features
Figure 2: NAE-S Physical Features
Table 1: Secure Network Engine physical features
Callout
Description
1
24 VDC power terminal for encryption board
2
RS-232 serial ports (hidden under cover)
Field controller buses (FC Bus or N2 Bus
3
terminal) with end-of-line switches
4
24 VAC power terminal
5
Wall mount feet
6
Security screw (one of two)
System status LEDs with system reboot
7
switch
8
Data protection battery compartment
9
RJ-45 8-pin Ethernet port
Installation
Follow these guidelines when installing an NAE-S:
• Transport the NAE-S in the original container to
minimize vibration and shock damage to the engine.
• Verify that all the parts shipped with the NAE-S. The
data protection battery and NAE-S ship together but are
packaged separately.
• Do not drop the NAE-S or subject it to physical shock.
• Do not open the NAE-S housing during installation.
Parts Included
• one MS-NAE551S-2 network engine
Part No. 24-10051-108 Rev. B
Release 8.0
2020-02-25
*2410051108B*
(barcode for factory use only)
MS-NAE551S-2
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Table of Contents
Related Manuals for Johnson Controls NAE-S
Summary of Contents for Johnson Controls NAE-S
- Page 1 • Verify that all the parts shipped with the NAE-S. The data protection battery and NAE-S ship together but are packaged separately. • Do not drop the NAE-S or subject it to physical shock. • Do not open the NAE-S housing during installation. Parts Included •...
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Page 2: Location Considerations
• Mount the NAE-S in a conditioned mechanical room. • one DeltaPSU CliQ (Rev04) DIN Rail 24 VDC power • Mount the NAE-S so that the enclosure wall or the supply with connecting cable to power internal transformer does not obstruct ventilation of the engine encryption board housing. -
Page 3: Ethernet Port
DIN rails. integrate an N2 network or a BACnet MS/TP FC Bus trunk ® Snap the DIN clips on the bottom of the NAE-S to the into the Metasys system. outward position. Note: N2 and BACnet MS/TP Buses have different Hang the NAE-S on the DIN rail hooks on the back of protocols and network requirements. - Page 4 Powering network devices with uniform 24 VAC supply power phasing reduces noise, interference, and ground loop problems. • The NAE-S network engine does not require an earth ground connection. NAE-S Installation Guide...
- Page 5 General Only daisy-chained devices (with maximum stub length of 3 m [10 ft] to any device) NAE-S models support up to 100 N2 devices per N2 Bus, with no more than two repeaters between Number of Devices NAE-S and any N2 device and a maximum of 50 devices between repeaters.
- Page 6 FC Buses in the initial factory position, ON Replace the cover of the battery compartment. (Figure 9). If the NAE-S is not a terminated device on Apply 24 VAC power to the network engine. the FC Bus, reposition the switch on the EOL switch block to the Off (down) position.
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Page 7: Troubleshooting
The RS232C-B port on the NAE-S is used for hardware diagnostics at the factory and in the field. This function is only available for an NAE-S with Release 9.0 or earlier. The RS232C-B port is only accessible once the plastic cover has been removed from the network engine. -
Page 8: Repair Information
For a single network engine on a network without an ADS, there is no flicker. On Steady = NAE-S software is running. On 1 second, Off 1 second = NAE-S software is in startup mode. Run (Green) On Steady On 0.5 seconds, Off 0.5 seconds = NAE-S software is shutting down. -
Page 9: Ordering Information
Table 8: NAE551S-2 Technical Specifications MS-NAE551S-2 Product Code Number Note: The NAE-S comes from the factory with Metasys Release 8.0 firmware, but you may field-upgrade the engine to Release 10.1. MS-NAE551S-2 Engine: Dedicated nominal 24 VAC, Class 2 power supply (North America) at 50/60 Hz (20 VAC... -
Page 10: North American Emissions Compliance
This product is covered by a limited warranty, details of which can be found at www.johnsoncontrols.com/ buildingswarranty. Patents Patents: http://jcipat.com © 2020 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision and are subject to change without notice. www.johnsoncontrols.com...