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Application
The Network Automation Engine (NAE) is a web-enabled, Ethernet-based, supervisory device that
monitors and controls networks of field-level building automation devices, HVAC equipment, and
lighting.
This document describes how to install NAE35 and NAE45 models, which are referred to collectively
as network engines, unless otherwise specified. These network engines provide integration to the
following network protocols: BACnet/IP, BACnet MS/TP, N2 Bus, and integrations to other building
management communication technologies, including Modbus®, M-Bus, and KNX. At Release
9.0, the Modbus, M-Bus, and KNX integrations are added and licensed during network engine
commissioning. At Release 9.0.7, the Modbus, M-Bus, and KNX integrations are included with the
image of the network engine, already pre-licensed and ready for selection during commissioning.
Important: For existing custom integrations, contact your local Systems Integration Services
(SIS) team before an upgrade. Updated drivers can be provided on request.
Note:
Beginning with Metasys Release 9.0.7, modems (internal and external) and pagers are no
longer supported on NAE35 and NAE45 engines that run the Linux operating system, but are
still supported on prior releases for engines that use a Windows Embedded operating system.
If you receive from the factory a network engine with Release 9.0 that has an internal modem,
you can field-upgrade the engine to Release 9.0.7 to acquire new release enhancements, but
its modem and pager functionality is lost. If you need modem and pager functionality, do not
upgrade the NAE35 or NAE45 engine to Release 9.0.7.
In addition, support for the LonWorks® network is no longer available on the NAE35 and
NAE45 engines at Release 9.0.7. Therefore, do not upgrade to Release 9.0.7 any NAE35 or
NAE45 engine that features the LonWorks integration.
Note: If you receive an NAE35 or NAE45 engine from the factory that is imaged with Release
9.0, you can field-upgrade the engine to Release 9.0.7 if the upgrade is supported.
Installation
Follow these guidelines when installing the network engine:
• Transport the network engine in the original container to minimize vibration and shock damage
to the network engine.
• Verify that all the parts shipped with the network engine.
• Do not drop the network engine or subject it to physical shock.
• Do not open the network engine housing (except the data protection battery compartment). The
network engine has no user-serviceable parts inside.
Parts included
• one NAE35 or NAE45 with removable terminal plugs
• one data protection battery (installed and connected when the network engine is shipped)
• one Installation Instructions sheet
Part No. 24-10050-6 Rev. Z
2019-05-08
Release 9.0, 9.0.7
NAE35/NAE45 Installation Guide
*24100506Z*
(barcode for factory use only)
MS-NAE35xx-2, MS-NAE45xx-2

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Summary of Contents for Johnson Controls NAE35

  • Page 1 NAE45 engines at Release 9.0.7. Therefore, do not upgrade to Release 9.0.7 any NAE35 or NAE45 engine that features the LonWorks integration. Note: If you receive an NAE35 or NAE45 engine from the factory that is imaged with Release 9.0, you can field-upgrade the engine to Release 9.0.7 if the upgrade is supported.
  • Page 2: Materials And Special Tools Needed

    FC Bus (N2 Bus or FC Bus terminal) End-of-line switch Mounting clip USB port RJ-45 8-pin Ethernet port Mounting clip RS-232 serial port Modem terminal (functional at Release 9.0; not functional at Release 9.0.7) System status LEDs NAE35/NAE45 Installation Guide...
  • Page 3: Location Considerations

    Mark the location of the three wall mount holes using the dimensions in Figure 2, or hold the network engine up to the wall as a template and mark the locations. Drill holes in the wall at the locations marked in (Figure 2) and insert wall anchors (if necessary). NAE35/NAE45 Installation Guide...
  • Page 4: Din Rail Mount Applications

    Securely mount a 20 cm (8 in.) or longer section of DIN rail horizontally and centered in the space. Ensure that the bottom two mounting clips are pulled outward and snapped firmly into the extended position (Figure 3). Figure 3: DIN Rail and Mounting Clip Features on the Back of Network Engine NAE35/NAE45 Installation Guide...
  • Page 5 FC Bus port. Connect either an N2 Bus trunk or an MS/TP Bus trunk to the 4-wire terminal block plug labeled FC BUS. The Field Controller (FC) Bus connection on an NAE35 and NAE45 is a 4-pin removable, keyed terminal block labeled FC BUS. The FC bus connection is an optically isolated RS-485 port with a keyed 4-position terminal block that communicates at 9.6k, 19.2k, 38.4k, or 76.8k baud.
  • Page 6: Ethernet Port

    For a network engine at Release 9.0, you can use the RS232C A serial port in either of two ways. First, you can connect a computer to this port for browsing the NAE35/45 through a direct connection. For details, refer to the Metasys® System Extended Architecture Direct Connection and Dial-Up Connection Application Note (LIT-1201639).
  • Page 7 Important: Use this MS-NxE35xx-x or MS-NAE45xx-x only as an operating control. Where failure or malfunction of the NAE35/NAE45 could lead to personal injury or property damage to the controlled equipment or other property, additional precautions must be designed into the control system.
  • Page 8 • Follow the transformer manufacturer’s instructions and the project installation drawings. Power supply wire colors may be different on transformers not manufactured by Johnson Controls. • While connecting network devices to 24 VAC power, make sure that transformer phasing is uniform across all devices.
  • Page 9 4. To add additional vendor devices, wire from one device to the next as shown in Figure 6. No more than two wires may be connected to each terminal to ensure the daisy chain configuration. See Wiring rules and guidelines for network integrations for the Modbus protocol. NAE35/NAE45 Installation Guide...
  • Page 10 Note: The completed wiring should look similar to Figure 7. Figure 7: Modbus wiring detail overview 5. Connect the 24 VAC supply power wires from the transformer to the removable power terminal block plug on the NAE (Figure 8). NAE35/NAE45 Installation Guide...
  • Page 11 Figure 8: 24 VAC supply power wiring Note: Power supply wire colors may be different on transformers not manufactured by Johnson Controls. Follow the transformer manufacturer’s instructions and the project installation drawings. 6. Connect the 24 VAC supply power wires from the transformer to the converter. No additional external power adapter is required.
  • Page 12 Router as a gateway. The Interface connects the NAE to a single KNX line, while the Router acts as both an Interface and a Line Coupler over Ethernet to connect the NAE to the network, not to a single device. NAE35/NAE45 Installation Guide...
  • Page 13 KNX line. Note: Specific cabling can vary depending on the topology and site. See Wiring rules and guidelines for network integrations. 4. Wire each KNX gateway to its own dedicated power supply on the KNX line. NAE35/NAE45 Installation Guide...
  • Page 14 NAE3520-2 and MS-NAE4520-3 models at Release 9.0 only. Figure 11: LonWorks network terminal block and wiring connections 2. To add additional vendor devices, wire from one device to the next in a daisy-chained fashion. Do not connect more than two wires to each terminal. NAE35/NAE45 Installation Guide...
  • Page 15 If the TEC Thermostat Controllers or third-party MS/TP devices are connected to the FC Bus, the maximum total number of MS/TP controllers on an FC Bus is 64 for NAE45 models and 32 for the NAE35 models. The maximum cable length per bus segment is 1,219 m (4,000 ft) and the maximum total FC Bus length is 3,658 m (12,000 ft).
  • Page 16 1,500 m (5,000 ft) twisted pair cable without a repeater Type 4,500 m (15,000 ft) twisted pair cable from NAE35/45 and the farthest N2 device (three segments of 1,500 m [5,000 ft] each, separated by repeaters) 2,000 m (6,600 ft) between two fiber modems Cable Solid or stranded 1.0 mm (18 AWG) 3-wire is recommended.
  • Page 17 2,000 m (6,600 ft) for plastic/glass fiber optic with external adapter Type 100 m (330 ft) CAT5 cable Terminations For 10/100 BaseT, no line terminators allowed Refer to the N1 Ethernet/IP Network Technical Bulletin (LIT-6360175) for recommended parts and part numbers. NAE35/NAE45 Installation Guide...
  • Page 18: Setup And Adjustments

    The network engine is shipped with the EOL switch in the factory default, ON (up) position (Figure 12). See Figure 13 to determine the appropriate EOL switch setting for the network engines on N2 Buses and FC Buses. NAE35/NAE45 Installation Guide...
  • Page 19 Figure 12: FC Bus EOL switch in the factory default ON (up) position Figure 13: EOL switch setting N2 or MS/TP NAE35/NAE45 Installation Guide...
  • Page 20: Troubleshooting

    The total time to start the network engine depends on the size of the database and can take several minutes. See Table 8 for more information on the network engine LEDs. Refer to the NAE Commissioning Guide (LIT-1201519) for additional information on troubleshooting a network engine. NAE35/NAE45 Installation Guide...
  • Page 21 On 1 second, Off 1 second = Network engine software is in startup mode. On 0.5 seconds, Off 0.5 seconds = NAE35/45 software is shutting down. Off Steady = Operating system is shutting down or software is not running.
  • Page 22: Repair Information

    If the network engine fails to operate, it must be replaced. Batteries removed from this device must be recycled or disposed of in accordance with local, national, and regional regulations. Only certified technicians or qualified building maintenance personnel should service Johnson Controls products. ®...
  • Page 23: Ordering Information

    The following tables list the product code numbers for all available NAE35 and NAE45 network engines based on model. If you receive an NAE35 or NAE45 engine from the factory that is imaged with Release 9.0, you can field-upgrade the engine to Release 9.0.7 if the upgrade is supported, but modem and pager functionality is lost.
  • Page 24 Description Number MS-BAT1020-0 Replacement data protection battery for NAE35, NIE39, NAE45, NIE45, NIE49, NCE25, or NIE29. Rechargeable NiMH 3.6 VDC, 500 mAh battery with a typical life of 5 to 7 years at 21°C (70°F) (Higher operating temperatures reduce battery life.)
  • Page 25: Technical Specifications

    Technical specifications Table 12: NAE35 and NAE45 Power Dedicated nominal 24 VAC, Class 2 power supply (North America), SELV power Requirement supply (Europe), at 50/60 Hz (20 VAC minimum to 30 VAC maximum) Power 25 VA maximum Consumption Ambient 0–50°C (32–122°F); 10–90% RH, 30°C (86°F) maximum dew point...
  • Page 26 Table 12: NAE35 and NAE45 Dimensions 131 x 270 x 62 mm (5.2 x 10.6 x 2.5 in.) (Height x Width x Minimum space for mounting NAE35/45: 210 x 350 x 110 mm (8.3 x 13.8 x 4.3 Depth) in.) Shipping Weight 1.2 kg (2.7 lb)
  • Page 27: Points Of Single Contact

    Use of the software that is in (or constitutes) this product, or access to the cloud, or hosted services applicable to this product, if any, is subject to applicable terms set forth at www.johnsoncontrols.com/techterms. Your use of this product constitutes an agreement to such terms. NAE35/NAE45 Installation Guide...
  • Page 28 © 2019 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...

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