Siemens SIMATIC Box PC 840, Manual

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Glossary
Glossary-2
SIMATIC Rack PC 840 Manual
A5E00104826-03
A
AC
A lternating C urrent. Current that changes its direction at regular intervals.
Access Protection
Access to the programs and data of a programming device can be protected by
passwords. The user password or Superuser password can be assigned in the
BIOS Setup.
ACPI
A dvanced C onfiguration and P ower I nterface enables the operating system to
supervise the power supply of each device connected to the computer. See also:
Power Management.
APM
A dvanced P ower M anagement monitors and conserves power on a PC-based
system, particularly a battery-powered laptop computer, by enabling programs to
communicate their power requirements so that the system can route power away
from unused hardware components.
Application
An application is a program which builds directly on, for example, the
MS-DOS/Windows operating system. Applications on your programming device
are, for example, the STEP 5 Basic package, STEP 7, etc.
ASCII-Editor
With an ASCII editor you can edit text files which are stored in ASCII code.
ATA
A dvanced T echnology A ttachment is the official name for the disk drive interface
standard commonly known as Integrated Drive Electronics (IDE). See also: IDE.
AuthorsW
The authorization can be saved on the aithorization diskette again by the menu
command
Start > Simatic > AuthorsW .
Authorization Diskette
The authorization disk contains the authorization required by the re-installation of a
software.