7
Glossary
This glossary defines terms used throughout this manual or that appear in the web
interface of the Emerson
™
Wireless 1420 Gateway (Gateway).
Term
Definition
Access Control List
A list of all devices that are approved to join the network. Each device will
also have a unique join key. Also referred to as a white list.
Active Advertising
An operational state of the network manager that causes the entire
wireless field network to send messages looking for new or unreachable
devices to join the network.
Baud Rate
Communication speed for Modbus
®
RTU.
Burst Rate
The interval in which a wireless field device transmits measurement and
status data to the Gateway. Same as Update Rate.
Certificate
A digital signature used to authenticate a client/server while using
encrypted communications.
Connectivity
Typically refers to a combination of communication statistics and link
reliability of a wireless field device. May also refer to the connection
between the Gateway and the Host System.
Device ID
A hexidecimal number that provides unique device identification.
DHCP
Dynamic Host Configuration Protocol: Used to automatically configure
the TCP/IP parameters of a device.
Domain
A unique designator on the internet comprised of symbols separated by
dots such as: this.domain.com.
Gateway
Refers to the Smart Wireless Gateway.
HART Tag
The device’s electronic tag that the Gateway uses for all host integration
mapping. Refers to the HART
®
long tag (32 characters, used for HART 6 or
7 devices) or the HART message (32 characters, only used for HART 5
wired devices connected via a WirelessHART
®
adapter).
Host Name
A unique designator in a domain associated with the IP address of a
device such as: device.this.domain.com. In that example the hostname is
device.
HTML
Hyper Text Markup Language: The file format used to define pages
viewed with a web browser.
HTTP
Hyper Text Transfer Protocol: The protocol that defines how a web server
sends and receives data to and from a web browser.
HTTPS
HTTP over an encrypted Secure Sockets Layer (SSL).
Join Failure
When a wireless field device fails to join the WirelessHART network. Most
join failures are due to security reasons (missing or incorrect join key, not
on access control list, etc.).
Join Key
Hexadecimal security code that allows wireless field devices to join the
wireless field network. This code must be identical in the device and the
Gateway.
Reference Manual
Glossary
00809-0200-4420
September 2020
Emerson.com/Rosemount
63
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