100 wireless devices at 4 seconds
50 wireless devices at 2 seconds
24 wireless devices at 1 second
Supported device update rates
1, 2, 4, 8, 16, 32 seconds or 1 to 60 minutes
Data reliability
Greater than 99 percent
Self-organizing IEC 62734 (ISA100)
2.4 to 2.5 GHz DSSS
Maximum size for each ISA100 network
Up to 99 devices
System security specifications
EtherNet
Transport Layer Security (TLS) enabled (default) TCP/IP communications
Emerson Wireless
Gateway access
Customizable Role-Based Access Control including Administrator, Maintenance, Operator, and
Executive. Administrator has complete control of the Gateway and connections to host systems and
the self-organizing network.
Internal port and protocol
firewall
User configurable TCP ports for communications protocols, including Enable/Disable and user
specified port numbers.
Third-party certification
Wurldtech: Achilles certified for network resiliency
National Institute of Standards and Technology (NIST): Advanced Encryption Standard (AES)
Algorithm conforming to Federal Information Processing Standard Publication 197 (FIPS-197).
Emerson Wireless 781S Smart Antenna
Functional specifications
Wireless output
IEC 62591 (WirelessHART), 2.4 GHz DSSS
IEC 62743 (ISA100), 2.4 GHz DSSS
Environmental
0 to 99 percent non-condensing relative humidity
Radio Frequency power output from antenna
Internal antenna (WP3 option):
Maximum of 40 mW (16 dBm) EIRP
Smart Antenna wiring distance
Wiring distance between Smart Antenna and Gateway:
Up to 400 m using single twisted shielded pair, 22-24 AWG
30ft of Belden 3084a comes attached to Emerson 781S
Physical specifications
Material
selection
Emerson provides a variety of products with various product options and configurations including materials of
construction that can be expected to perform well in a wide range of applications. The Rosemount product
information presented is intended as a guide for the purchaser to make an appropriate selection for the application.
It is the purchaser’s sole responsibility to make a careful analysis of all process parameters (such as all chemical
components, temperature, pressure, flow rate, abrasives, contaminants, etc.), when specifying product, materials,
options and components for the particular application.
Emerson is not in a position to evaluate or guarantee the compatibility of the process fluid or other process
parameters with the product, options, configuration or materials of construction selected.
April 2020 Emerson Wireless 1410S
Emerson.com 11
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