Siemens SIMATIC Box PC 840, Manual

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Glossary
Glossary-7
SIMATIC Rack PC 840 Manual
A5E00104826-03
E
EIDE
E nhanced I ntegrated D rive E lectronics. An extension of the IDE standard, EIDE is
a hardware interface standard for disk drive designs that house control circuits in
the drives themselves. It allows for standardized interfaces to the system bus while
providing for advanced features, such as burst data transfer and direct data
access. EIDE accommodates drives as large as 8.4 gigabytes (IDE supports up to
528 megabytes).
Energy Options
With Energy Options, you can reduce energy consumption of your computer while
it always remains to be ready to use. This function can be configured in Windows
via
Settings > Control Panel > Energy Options .
EPROM/EEPROM Submodules
These are plug-in submodules with EPROM/EEPROM chips. S5 user programs
can be stored on them. These programmed submodules are then plugged into
specially designed slots in the programmable logic controller.
Ethernet
Local network (bus structure) for text and data communication with a transfer rate
of 10 Mbaud.
Extended Memory
Memory extensions can be installed in the programming device to increase the
width of the memory.
F
File
A complete, named collection of information, such as a program, a set of data
used by a program, or a user-created document. A file is the basic unit of storage
that enables a computer to distinguish one set of information from another.
Formatting
Formatting divides the memory area on a magnetic data medium into tracks and
sectors. Formatting deletes all the data on a data medium. Every data medium
must be formatted before it is used for the first time.