Omron CX-SUPERVISOR - SCRIPT REFERENCE REV2.0, Справочное руководство

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GLOSSARY OF TERMS – Script Language OMRON
Page 168 Revision 2.0
GLOSSARY OF TERMS
ADO ADO stands for Active Data Objects and is data access technology which
uses OLE-DB to access data sources in a uniform way e.g. MS-Access
databases, MS-Excel spreadsheets and Comma Separated Variable files.
AND A logic operator used to interrogate Boolean type points. AND returns
‘TRUE’ if all arguments are ‘TRUE’. An example of AND is that if
a is a
statement and b is a statement, AND returns ‘TRUE’ if both a and b are
‘TRUE’. If one or both statements return ‘FALSE’ then AND returns
‘FALSE’.
Application A software program that accomplishes a specific task. Examples of
applications are CX-Supervisor, SYSMAC-CDM, Microsoft Word for
Windows and Microsoft Excel. CX-Supervisor and its development
environment allows the creation and testing of new applications through a
Graphical User Interface (GUI).
Arguments Words, phrases, or numbers that can be entered on the same line as a
command or statement to expand or modify the command or statement
within the CX-Supervisor script language. The command acts on the
argument. In essence the command is a
verb , and the argument is the
object of the verb . An example of an argument in CX-Supervisor is
“
Message("Text")
” where
Message
is a command within the script
language, and
"Text"
is the argument upon which the command will
act.
ASCII An old standard, defining a set of characters. Officially using only 7 bits
allows definitions for only 127 characters, and does not include any
accented characters.
Bitmap The representation of an image stored in a computer’s memory. Each
picture element (pixel) is represented by bits stored in the memory. In CX-
Supervisor a bitmap image can be installed as a single object.
Boolean type A type of point where the value of the point can be one of two states.
Essentially the two states are ‘0’ and ‘1’, but these states can be assigned a
meaningful designation. Examples are:
State Example Example Example Example
0 ‘OFF’ ‘FALSE’ ‘OUT’ ‘CLOSED’
1 ‘ON’ ‘TRUE’ ‘IN’ ‘OPEN’
See also: AND , NOT and OR .
COM COM is a Microsoft technology that allows components used to interact.