GE Industrial Solutions Control System Toolbox For an AV-300i Version 2 Drive - Manual (Page 76)

G-8 •••• Glossary of Terms GEH-6412 Toolbox for AV-300i Version 2 Drive
symbols
Created by the toolbox and stored in the controller, the symbol table contains signal
names and descriptions for diagnostic messages.
task
A group of blocks and macros scheduled for execution by the user.
TCP/IP
Communications protocols developed to inter-network dissimilar systems. It is a de
facto UNIX standard, but is supported on almost all systems. TCP controls data
transfer and IP provides the routing for functions, such as file transfer and e-mail.
time slice
Division of the total module scheduling period. There are eight slices per single
execution period. These slices provide a means for scheduling modules and tasks to
begin execution at different times.
toolbox
A Windows-based software package used to configure controllers and drives.
trend
A time-based plot to show the history of values.
Trend Recorder
A subsystem of the toolbox that monitors and graphs signal values from a controller
or drive.
TrueType
Scaleable font technology that renders printer and screen fonts. Each TrueType font
contains its own algorithms for converting the outline into bitmaps.
validate
Makes certain that items or devices do not contain errors and verifies that the
configuration is ready to be built into pcode.
VME controller
A form of the Innovation Series controller that is hosted in a Versa Module Eurocard
(VME) rack.
Windows NT
Windows New Technology. Advanced 32-bit operating system from Microsoft for
386s and above. It runs NT-specific applications as well as those written for DOS,
Windows 3.x (16 and 32-bit), OS/2 character mode (non-graphical) and POSIX. NT
does not use DOS; it is a self-contained operating system.
word
A unit of information composed of characters, bits, or bytes, that is treated as an
entity and can be stored in one location. Also, a measurement of memory length,
usually 4, 8, or 16-bits long.