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Appendix G Glossary of Terms
323
Appendix G
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, CX-Server
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
"
DDETerminate(channel)
" where
DDETerminate
is
a command within the script language, and
channel
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:
COM
COM is a Microsoft technology that allows components
used to interact.
State
Example Example Example Example
0
OFF
FALSE
OUT
CLOSED
1
ON
TRUE
IN
OPEN
Содержание CX-Supervisor
Страница 1: ...CX Supervisor Software Cat No W10E EN 01 User Manual Software Release 3 1...
Страница 3: ...Copyright Notice 2...
Страница 16: ...15...
Страница 17: ...16...
Страница 27: ...Tip of the Day SECTION 1 Graphics Editor 26...
Страница 35: ...CX Supervisor Preferences SECTION 2 Pages 34...
Страница 79: ...Responding to Events SECTION 5 ActiveX Objects 78...
Страница 115: ...Printing the Graphics Library SECTION 7 Graphics Library 114...
Страница 181: ...Data Logging SECTION 11 Data Logging 180...
Страница 201: ...Examples SECTION 12 Databases 200...
Страница 243: ...Performance Monitor SECTION 16 Application Analysis Performance Monitor 242...
Страница 253: ...Using with Omron s CX Server OPC SECTION 17 Using CX Supervisor as an OPC Cli 252...
Страница 259: ...Creating a CX Supervisor Client application SECTION 18 Connecting to a remote CX 258...
Страница 263: ...Adding a Point Linked to a Parameter SECTION 19 Connecting to Omron Industrial 262...
Страница 271: ...Data Logging SECTION 20 Best Practices 270...
Страница 275: ...Configuring a Server PC running Windows NT or 2000 Appendix A Configuring a PC 274...
Страница 277: ...Appendix B Frequently Asked Questions 276...
Страница 296: ...Appendix B Frequently Asked Questions 295...
Страница 297: ...Appendix B Frequently Asked Questions 296...
Страница 298: ...Appendix B Frequently Asked Questions 297...
Страница 299: ...Appendix B Frequently Asked Questions 298...
Страница 333: ...Revision history 332...