Onewireless Terminology - SKF On-line System WVT User Manual

System Overview

OneWireless Terminology

OneWireless Terminology
Some terms commonly used with OneWireless networks are defined below.
Term
Access Point
WDM
FDAP
Field device
Mesh
Node
Provisioning device
DD
FDN
PCN
RSQI
RSSI
HART
GCI
TxFailRatio
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Definition
The device that bridges the wireless and wired networks.
Wireless Device Manager (WDM) is a device that manages the
ISA100.11a wireless field device network and all the ISA100.11a
components connected to the OneWireless network.
Field Device Access Point (FDAP) is a wireless infrastructure node
that acts as an ISA100.11a access point and a mesh node
member. An FDAP can only communicate through ISA100.11a.
A general term for a process sensor (input) or process actuator
(output) device.
Network topology where one node may be connected to one or
more nodes.
A connection point, either a redistribution point or an end point for
data transmissions.
Includes the iPAQ handheld, which is a type of pocket PC or
personal digital assistant (PDA), PDAs, mobile PCs and so on with
an IrDA port that can be used to provision field devices with
network security information.
Device Description file
Field Device Network
Process Control Network
Receive Signal Quality Index corresponds to the Link Quality
Threshold between devices. The link between devices is established
only when the RSQI is equal to, or greater than, the Link Quality
Threshold. By default, the Link Quality Threshold is set to 127 in
the WDM.
Receive Signal Strength Index represents the link strength of the
two devices connected to each other.
The RSSI range is displayed in the format –xx/-yy dBm, where –xx
and –yy represent the link strength of the two devices. When the
difference between –xx and –yy is less than 5, the lowest of the
two values is displayed.
Highway Addressable Remote Transducer
Gateway Client Interface
Transmit Fail Ratio.
TxFailRatio = Transmit Fail / (Transmit Success + Transmit Fail)
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