Emerson Smart Wireless Gateway
Product Data Sheet
April 2016
00813-0100-4052, Rev AB
Emerson™ Smart Wireless Gateway 1552WU
Gateway connects wireless self-organizing networks with any host system with integrated Wi-Fi backhaul
Easy configuration and management of WirelessHART® self-organizing networks
Easy integration into control systems and data applications through Wireless LAN connections
Seamless integration into AMS™ Device Manager and DeltaV™ automation system
Greater than 99% reliability of field wireless data integrity with industry proven security
Smart Wireless capabilities extends the full benefit of PlantWeb™ architecture to previously inaccessible
Secure field wireless communications built into WirelessHART
Secure Wi-Fi communications provided by defense-in-depth wireless intrusion prevention solution from
Smart Wireless Gateway 1552WU
April 2016
Smart Wireless Gateway and Access Point
Gain real-time process information with greater than 99% wireless field wireless
data reliability
The Smart Wireless Gateway 15525WU automatically manages wireless communications in constantly changing environments for
both Wi-Fi and WirelessHART.
Native integration with DeltaV and Ovation™ automation systems provides simple and fast commissioning for wireless field
Connect to data historians, legacy host systems, and other via a LAN applications through Ethernet, Modbus®, OPC, EtherNet/IP™,
and HART® outputs.
Guarantee system availability with redundant gateway access
Never lose the wireless network with hot standby capability and automatic fault detection.
Gateway access points function as a single system, eliminating the need for duplicate host integration.
One click configuration of the Gateway redundancy feature
Complete WirelessHART network configuration tools provided with each
Gateway access point
The integrated web interface allows easy configuration of the wireless network and data
integration without the need to install additional software.
Complimentary AMS Wireless Configurator software provides Emerson Device Dashboards to
configure devices and view diagnostic data.
Drag and drop device provisioning enables a secure method to add new wireless devices to the
wireless field network.
Emerson’s Smart Field Wireless Solution . . . . . . . . page 3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 7
Emerson's Smart Plant Wireless Solution . . . . . . . . page 4
Product Certifications . . . . . . . . . . . . . . . . . . . . . . . page 10
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . page 6
April 2016
Smart Wireless Gateway 1552WU
Emerson’s Smart Field Wireless Solution
IEC 62591 (WirelessHART)... the industry
Self-organizing, adaptive mesh routing
No wireless expertise required; network automatically finds the best
communication paths
The self-organizing, self-healing network manages multiple communication
paths for any given device. If an obstruction is introduced into the network,
data will continue to flow because the device already has other established
paths. The network will then lay in more communication paths as needed
for that device.
Reliable wireless architecture
Standard IEEE 802.15.4 radios
2.4 GHz ISM band sliced into 15 radio-channels
Time synchronized channel hopping to avoid interference from other radios,
Wi-Fi, and EMC sources and increase reliability
Direct sequence spread spectrum (DSSS) technology delivers high reliability
in challenging radio environment
Emerson's Smart Wireless
Seamless integration via a LAN to all existing host systems
Native integration into DeltaV and Ovation is transparent and seamless
Gateways interface with existing host systems via a LAN, using industry
standard protocols including OPC, Modbus TCP/IP, and EtherNet/IP
Layered security keeps your network safe
Ensures that data transmissions are received only by the Smart Wireless
Network devices implement industry standard encryption, authentication,
verification, anti-jamming, and key management
Third party security verification including Achilles and FIPS197- user based
login and enforced password strength. Password strength monitoring, user based log in, password reset requirements, automatic
lockout, password expiration requirements. Based on guidelines from ISA99.03.03 standard approved level two.
SmartPower™ Solutions
Optimized Emerson instrumentation, both hardware and software, to extend power module life
SmartPower technologies enable predictable power life
Smart Wireless Gateway 1552WU
April 2016
Emerson's Smart Plant Wireless Solution
Site assessment (wireless FEED)
Emerson Process Management can provide a wireless network
solution that exactly meets your needs today, while providing
flexibility for future wireless mesh infrastructure growth as your
needs expand. Emerson's Smart Wireless Plant Solutions can
also scale to the types of applications you utilize in your wireless
plant. For example, each Wi-Fi mesh node installed to backhaul
WirelessHART data can also be used as a “hot spot” for your
mobile workers to access live plant data, to wirelessly stream
video data, or track personnel with Wi-Fi RFID tags.
A site assessment is not needed for the WirelessHART field
instrumentation network, but one will be required for the Wi-Fi
network communications equipment being installed to provide
good Wi-Fi coverage for the desired plant area.
For the Wi-Fi wireless FEED, Emerson engineers visit your plant
site to conduct a Radio Frequency (RF) study, determine access
point locations and collect other on-site information.
Network design and planning
Reduced cost
When compared to the cost of engineering and trenching or
pulling a fiber optic cable to each of the WirelessHART gateways,
a fully integrated wireless backhaul solution can be deployed for
less cost when the field network is separated from the control
room by large distances, difficult terrain, or bodies of water.
Safer deployment
Based on the site survey results and your control system
requirements, Emerson engineers design the overall wireless
mesh architecture including the detailed network
infrastructure, network monitoring tools, and integrated
Physical network installation
Trenching or pulling a fiber optic cable in a live process area puts
workers in the process area for long periods of time - exposing
them to potential hazards and risking disruptions to process
Engineers work with you to install the wireless mesh network
equipment based on the detailed network design.
Secure and reliable communications
The wireless mesh network is brought online and commissioned
onsite. Complete site acceptance testing is performed with your
All communications on the wireless plant network are fully
secure using AES 128-bit encryption. The integrity of the
wireless communication network is continuously monitored and
alerts can be sent to administrators if degradation of the
wireless signal is detected.
Wi-Fi defense-in-depth provided by Cisco's wireless intrusion
prevention solution secures the Wi-Fi network from hackers,
eavesdroppers, and ensures only authorized personnel have
access to the resources they need.
Wireless engineering services
Wireless engineering services are critical to the success of a
wireless plant network deployment. Emerson offers a
comprehensive services portfolio to help you design and deploy
a wireless solution.
System commissioning
Emerson will work with you to specify a training curriculum that
meets your specific needs.
Emerson delivers SureService wireless life-cycle services through
our engineering centers and global service organizations.
Emerson's wireless life cycle services are designed to help you
maintain system uptime, apply wireless technology for better
business results and preserve your intellectual and capital
April 2016
Smart Wireless Gateway 1552WU
Additional wireless plant solutions
Mobile worker
Depending on your needs, Emerson can provide Wi-Fi access
throughout your process plant or just in specific locations to
connect field personnel with Wi-Fi enabled PDAs or laptops to
plant or office network applications.
Easily add video cameras in remote areas of your plant to
monitor the process or site for emissions, safety and security.
Safety mustering
Instead of taking a time-consuming role call in an emergency, a
safety mustering solution can electronically determine the
mustered status of all personnel in the process plant.
Location tracking
Plant personnel can be tracked throughout the plant site with
varying degrees of accuracy depending on your site's needs.
Emerson's location tracking solution is flexible to provide a
good, better, or best capability depending on your site's needs
and budget.
Smart Wireless Gateway 1552WU
April 2016
Ordering Information
For inquiries and ordering information, contact your local Emerson sales office. Prior to order acceptance, Emerson Process
Management will issue a written proposal for your review and approval to ensure that scope, deliverables, timing, and budget meet
your needs and expectations.
For more information, visit our website at EmersonProcess.com/SmartWireless.
April 2016
Smart Wireless Gateway 1552WU
Functional specifications
Input power
24VDC 2.5 Amp nominal (19–30 VDC), 39 watts
≤ 5 mJ for 6kV/3kA @ 8/20 ms waveform
EN61000-4-5 Level 4 AC Surge Immunity
12VDC nominal (11.4–15 VDC) non-hazardous installations only
EN61000-4-4 Level 4 Electrical Fast Transient Burst Immunity
EN61000-4-3 Level 4 EMC Field Immunity
Operating temperature
EN61000-4-2 Level 4 ESD Immunity
-40 to 55 °C (-40 to 131 °F) plus Solar Loading
EN60950 Overvoltage Category IV
Storage temperature
-50 to 85 °C (-58 to 185 °F)
0-100% (condensing)
Wind resistance
Up to 100 MPH sustained winds
Up to 165 MPH wind gusts
Environmental ratings
Radio approvals
FCC Part 15.247, 15.407
FCC Bulletin OET-65C
AS/NZS 4268.2003
EN 300 328
EN 301 893
EMI and susceptibility
FCC part 15.107, 15.109
NEMA® Type 4
EN 301 489-1, -17
UL 60950-1, 2nd edition
Communication specifications
CAN/CSA-C22.2 No. 60950-1, 2nd edition
IEC 60950-1, 2nd edition
EN 60950-1, 2nd edition
ANSI/ISA 12.12.01
CSA C22.2 No 213
IEC/EN 60079-0
IEC/EN 60079-15
10/100/1000BASE-T Ethernet, autosensing (RJ-45)
CSA: Class I, Division 2, Groups A, B, C and D
Maximum transmit power for Wi-Fi
ATEX: Class I, Zone 2; Ex nA II, T5
2.4 GHz
Cat5E shielded cable
Wiring distance
328 ft (100 m)
802.11b (Complementary Code Keying [CCK])
• 28 dBm with two antennas
802.11g (non HT duplicate mode)
• 28 dBm with two antennas
Smart Wireless Gateway 1552WU
802.11n (HT20)
• 28 dBm with two antennas
• 18 dBm with one antenna
5 GHz
Dimensions (W ⫻ L ⫻ H)
12.0-in. ⫻ 7.8-in. ⫻ 6.4-in. (30.48 cm ⫻ 19.81 cm ⫻ 16.26 cm)
(including antenna mount)
• 28 dBm with two antennas
1552WU: 17.6 lb (8 kg)
802.11n non-HT duplicate (802.11a duplicate) mode
Pole mounting bracket: 6.1 lb (2.8 kg)
Material of construction
802.11n (HT20)
• 27 dBm with two antennas
Physical specifications
• 28 dBm with two antennas
April 2016
802.11n (HT40)
Aluminum, NEMA 4
• 27 dBm with two antennas
Maximum transmit power from WirelessHART
Powder coat paint over Alodine finish plating
Maximum of 10 mW (10 dBm) EIRP
Cover gasket
EMC performance
Silicone tube
Meets all industrial environment requirements of EN61326 and
NAMUR NE-21. Maximum deviation <1% span during EMC
Remote antenna
Wi-Fi antenna options
The 1552WU has six external type N connectors for Wi-Fi
antennas: Three for 2.4 GHz and three for 5 GHz. These IP66
rated antennas may be connected directly, or via an appropriate
cable. The following Cisco antennas are supported:
AIR-ANT2480V-N (2.4 GHz, 8 dBi, omni, 19.5-in. long)
AIR-ANT5180V-N (5 GHz, 8 dBi, omni, 11-in. long)
AIR-ANT5114P2M-N= (5 GHz, 14 dBi, dual polarized patch)
WirelessHART antenna
Remote mount Omnidirectional antenna (2.4GHz, 6 dBi)
connected with a 50 ft low loss cable.
Fiber glass
CSA: Class I, Division 2, Groups A, B, C and D
ATEX: Class I, Zone 2; Ex nA II, T5
802.11n capabilities
2 ⫻ 3 multiple-input multiple-output (MIMO) with two spatial
Legacy beamforming
20- and 40-MHz channels
PHY data rates up to 300 Mbps
Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
802.11 dynamic frequency selection (DFS)
Cyclic shift diversity (CSD) support
During surge event device may exceed maximum EMC deviation limit or
reset; however, device will self-recover and return to normal operation with
specified start-up time.
April 2016
Self-organizing field network
IEC 62591 (WirelessHART), 2.4 - 2.5 GHz DSSS
Maximum network size
100 wireless devices @ eight sec. or higher
50 wireless devices @ four sec.
25 wireless devices @ two sec.
Smart Wireless Gateway 1552WU
Wireless access
• 802.11i, Wi-Fi Protected Access (WPA2), WPA
• 802.1X authentication, including Extensible Authentication
Protocol and Protected EAP (EAP-PEAP), EAP Transport
Lauer Security (EAP-TLS), EAP-Tunneled TLS (EAP-TTLS),
and Cisco LEAP
• Advanced Encryption Standards (AES), Temporal Key
Integrity Protocol (TLIP)
• VPN passthrough
• IP Security (IPsec), Layer 2 Tunneling Protocol (L2TP)
• MAC address filtering
12 wireless devices @ one sec.
Supported device update rates
1, 2, 4, 8, 16, 32 seconds or 1 - 60 minutes
Gateway system security
Network size/latency
100 Devices: less than 10 sec.
Secure Sockets Layer (SSL) - enabled (default) TCP/IP
50 Devices: less than 5 sec.
Data reliability
> 99%
Gateway protocols
Supports Modbus TCP with 32-bit floating point values,
integers, and scaled integers.
Modbus Registers are user-specified.
OPC server supports OPC DA v2, v3
Supports EtherNet/IP protocol with 32-bit Floating Point values
and Integers.
EtherNet/IP Assembly Input-Output instances are user
Smart Wireless Gateway access
Role-based Access Control (RBAC) including Administrator,
Maintenance, Operator, and Executive. Administrator has
complete control of the gateway and connections to host
systems and the self-organizing network.
Self-organizing network
AES-128 Encrypted WirelessHART including individual session
keys. Drag and drop device provisioning, including unique join
keys and white listing.
Internal firewall
User Configurable TCP ports for communications protocols,
including Enable/Disable and user specified port numbers.
Inspects both incoming and outgoing packets.
Third party certification
Wurldtech: Achilles Level 1 certified for network resiliency
EtherNet/IP specifications are managed and distributed by
National Institute of Standards and Technology (NIST):
Advanced Encryption Standard (AES) Algorithm conforming to
Federal Information Processing Standard Publication 197
Wi-Fi security
Wireless bridging/mesh
• X.509 digital certificates
• MAC address authentication
• Advanced Encryption Standards (AES), Temporal Key
Integrity Protocol (TLIP)
Smart Wireless Gateway 1552WU
April 2016
Product Certifications
Telecommunications Compliance
European Union Directive Information
All wireless devices require certification to ensure that they
adhere to regulations regarding the use of the RF spectrum.
Nearly every country requires this type of product certification.
Emerson and Cisco are working with governmental agencies
around the world to supply fully compliant products and remove
the risk of violating country directives or laws governing wireless
device usage.
The EC declaration of conformity for all applicable European
directives for this product can be found on the Emerson website
at www.emerson.com. A hard copy may be obtained by
contacting your local sales representative.
FCC and IC
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following conditions. This device may not cause
harmful interference. This device must accept any interference
received, including interference that may cause undesired
operation. This device must be installed to ensure a minimum
antenna separation distance of 20 cm from all persons.
ATEX Type n
Certificate: Sira 11ATEX4253
ATEX Marking: II 3 G
Ex nA II T5(Ta = -40 °C to +55 °C)
Special Condition for Safe Use (X):
1. The surface resistivity of the antenna is greater than one
gigaohm. To avoid electrostatic charge build-up, it must
not be rubbed or cleaned with solvents or a dry cloth.
Ordinary Location Certification for CSA
As standard, the 1552WU has been examined and tested to
determine that the design meets basic electrical, mechanical,
and fire protection requirements by CSA, a nationally
recognized testing laboratory (NRTL) as accredited by the
Federal Occupational Safety and Health Administration (OSHA).
North America
CSA Division 2, Non-Incendive
Certificate: 1945576
Suitable for Class I, Division 2, Groups A, B, C, and D.
Ambient Temperature: T5(-40 °C to +55 °C)
CSA Enclosure Type 4
April 2016
Smart Wireless Gateway 1552WU
Smart Wireless Gateway 1552WU
Product Data Sheet
00813-0100-4052, Rev AB
April 2016
Global Headquarters
Emerson Process Management
6021 Innovation Blvd.
Shakopee, MN 55379, USA
+1 800 999 9307 or +1 952 906 8888
+1 952 949 7001
[email protected]
North America Regional Office
Emerson Process Management
8200 Market Blvd.
Chanhassen, MN 55317, USA
+1 800 999 9307 or +1 952 906 8888
+1 952 949 7001
[email protected]
Latin America Regional Office
Emerson Process Management
1300 Concord Terrace, Suite 400
Sunrise, FL 33323, USA
+1 954 846 5030
+1 954 846 5121
[email protected]
Europe Regional Office
Emerson Process Management Europe GmbH
Neuhofstrasse 19a P.O. Box 1046
CH 6340 Baar
+41 (0) 41 768 6111
+41 (0) 41 768 6300
[email protected]
Asia Pacific Regional Office
Emerson Process Management Asia Pacific Pte Ltd
1 Pandan Crescent
Singapore 128461
+65 6777 8211
+65 6777 0947
[email protected]
Middle East and Africa Regional Office
Emerson Process Management
Emerson FZE P.O. Box 17033,
Jebel Ali Free Zone - South 2
Dubai, United Arab Emirates
+971 4 8118100
+971 4 8865465
[email protected]
Standard Terms and Conditions of Sale can be found at:
The Emerson logo is a trademark and service mark of Emerson Electric Co.
AMS, SmartPower, PlantWeb, DeltaV, Ovation, Rosemount and
Rosemount logotype are trademarks of Emerson Process Management.
Cisco is a registered trademark of Cisco Systems, Inc.
HART and WirelessHART are registered trademarks of FieldComm Group.
EtherNet/IP is a trademark of ControlNet International under license by
Modbus is a registered trademark of Gould Inc.
NEMA is a registered trademark and service mark of the National
Electrical Manufacturers Association.
All other marks are the property of their respective owners.
© 2016 Emerson Process Management. All rights reserved.
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