Rosemount Smart Wireless Gateway Spezifikationen PDF herunterladen (Seite 58)

Reference Manual

00809-0200-4420, Rev HB

Section 7: Glossary

January 2015

Glossary

Term Definition

Network I.D. Numeric code that associates wireless field devices to the Gateway. This

code must be identical in the device and the gateway.

Network Manager Operational function within the Smart Wireless Gateway that

automatically handles all device connections and scheduling of wireless

data.

NTP Network Time Protocol. Used to keep the system time synchronized with a

network time server.

Path A wireless connection between two devices in a wireless network. Also

referred to as a hop.

Path Stability A measure of connectivity between two devices in the wireless network.

Calculated as the ratio of the number of received messages over the

number of expected messages.

Primary Interface Ethernet 1 or Fiber Optic port that is used for primary host

communications.

Private Network/LAN A local connection between a Smart Wireless Gateway and a PC/laptop.

This network is used for commissioning and configuration of the Gateway.

Reliability A measure of connectivity between the Gateway and a wireless field

device. Calculated as the ratio of the number of received messages over the

number of expected messages. Takes into account all paths.

RSSI Received signal strength indication (dBm) for the wireless field device.

Secondary Interface Ethernet 2 port that is used for backup connection or a maintenance port

for local access.

Security Setup Utility A software application that enables secure communications between the

Gateway and host system, asset management software, data historians, or

other applications.

Self-Organizing Network Mesh network technology in which a network manager automatically

handles all device connections and scheduling of wireless data.

Service Denied The device has been denied bandwidth and can not publish its regular

updates.

TCP/IP Transmission Control Protocol/Internet Protocol. The protocol that

specifies how data is transmitted over Ethernet.

Update Rate The interval in which a wireless field device transmits measurement and

status data to the Gateway. Same as Burst Rate.

Wireless Field Device(s) WirelessHART field devices that are a part of the wireless field network.

Wireless Field Network WirelessHART network, consisting of Smart Wireless Gateway and multiple

wireless field devices.

Wireless Plant Network Industrial Wi-Fi network, used to integrate the Wireless Field Network into

the control network.

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