Chapter 7 Glossary - Emerson Wireless 1420 Gateway Reference Manual
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Reference Manual
00809-0200-4420
7
Glossary
This glossary defines terms used throughout this manual or that appear in the web
interface of the Emerson
Term
Access Control List
Active Advertising
Baud Rate
Burst Rate
Certificate
Connectivity
Device ID
DHCP
Domain
Gateway
HART Tag
Host Name
HTML
HTTP
HTTPS
Join Failure
Join Key
Emerson.com/Rosemount
™
Wireless 1420 Gateway (Gateway).
Definition
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.
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.
Communication speed for Modbus
The interval in which a wireless field device transmits measurement and
status data to the Gateway. Same as Update Rate.
A digital signature used to authenticate a client/server while using
encrypted communications.
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.
A hexidecimal number that provides unique device identification.
Dynamic Host Configuration Protocol: Used to automatically configure
the TCP/IP parameters of a device.
A unique designator on the internet comprised of symbols separated by
dots such as: this.domain.com.
Refers to the Smart Wireless Gateway.
The device's electronic tag that the Gateway uses for all host integration
mapping. Refers to the HART
7 devices) or the HART message (32 characters, only used for HART 5
wired devices connected via a WirelessHART
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.
Hyper Text Markup Language: The file format used to define pages
viewed with a web browser.
Hyper Text Transfer Protocol: The protocol that defines how a web server
sends and receives data to and from a web browser.
HTTP over an encrypted Secure Sockets Layer (SSL).
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.).
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.
September 2020
®
RTU.
®
long tag (32 characters, used for HART 6 or
®
adapter).
Glossary
63
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