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ANSI X3.28/SRIO DPA
CONFIGURATION GUIDE
A071-0CG-2.02-2 Restricted
22
Full
RTU so that it appears to the master station as two or more
RTUs. This technique is usually employed as a means by
which to overcome the point-addressing limitations of a
particular protocol, or to form a logical grouping of data.
Abbreviated as LRU.
master The client or host station or computer, with which the
RTU equipment communicates. Also referred to as a host
or host computer.
port An interface point connecting a communications channel
and a device.
random-access memory A type of temporary data storage (memory) that can be
read and changed while the computer is in use. Data stored
in random-access memory is lost if the system loses
power. Abbreviated as RAM.
remote terminal unit A piece of equipment located at a distance from a master
station to monitor and control the status of outlying
equipment, and to communicate the information back to
the master station or host. Abbreviated as RTU.
source code A piece of code that has not yet been compiled or
assembled (that is, it is still in the language it was
programmed in) and so cannot yet run on a machine.
WESDAC Configuration
System
A menu-oriented software program that operates on a
personal computer and allows you to download
configuration information to D20 RTUs or CPM RTUs.
WESDAC Interface
Node
A module of software that manages the transfer, storage,
and manipulation of data between data- collection
applications (DCA), data-processing applications (DPA)
and data-translation applications (DTA). Abbreviated as
WIN.