Echelon LonMaker - Manual (Page 396)

380 Appendix G – Glossary
Channel Type
Channels are categorized into channel types, which are characterized by the device transceiver.
Common channel types include the following: TP/FT-10 (ANSI/CEA-709.3 twisted pair free topology
channel), TP/XF-1250 (high-speed twisted pair channel), PL-20 (ANSI/CEA-709.2 power line
channel), FO-20 (ANSI/CEA-709.4 fiber optics channel), and IP-852 (ANSI/CEA-852 IP channel).
Client/Server Architecture
In a L ON W ORKS network, LNS (the server) provides a set of directory, installation, management,
monitoring, and control services for computers running the LonMaker tool (clients). The client/server
architecture of LNS allows multiple users running the LonMaker tool on separate computers to access
the LNS server simultaneously. This means that managers, system integrators, installers, and
maintenance personnel can all work on the same L
ON W ORKS network at the same time.
Commissioning
The process in which the LonMaker tool downloads network and application configuration data into a
physical device. For devices whose application programs are not contained in ROM, the LonMaker
tool also downloads the application program into non-volatile RAM in the device. Devices are usually
either commissioned and tested one at a time, or commissioned and then brought online and tested
incrementally.
Configuration Properties (CPs)
Configuration properties define the behavior of an application device by determining the manner in
which data is manipulated and when data it is transmitted. Configuration properties can be applied at
the device, functional block, or network variable level. Configuration properties determine the
functions to be performed on the values stored in network variables. For example, a configuration
property may specify a minimum change that must occur on a physical input to a device before the
corresponding output network variable is updated.
Configured
A device state where the device has both an application image and a network image. This indicates that
the device is ready for network operation.
Connection
The implicit addressing established during binding. A connection links one or more logical outputs
(network variables or message tags) to one or more logical inputs. A connection may be represented
with a connector shape or a reference connection.
Connection Description
A set of properties, namely the message service type and addressing mode, that apply to a network
variable connection.
Connector Shape
A single connector used to connect a pair of network variables (or message tags) within the same
subsystem.
Controller
A high-level component that takes a sensor value and selects an appropriate setting on an actuator to
achieve a desired function.
Custom Master Shape
A configured LonMaker shape or group of LonMaker shapes saved to a stencil. Custom master shapes
enable common devices and functions to be re-used easily. Custom master shapes are used to speed up
network design, as they already contain configuration data when they are added to a LonMaker
drawing. A custom device master shape, for example, may contain the device template name and
configuration property settings.