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Appendix
11.3 Glossary
D
Documentation & Drivers CD
The "Documentation & Drivers" CD is included. The CD contains specific drivers and drivers
and applications for the supported operating system.
Drop down menu
Menu bar on the upper edge of the screen. The menu commands are pre-set or can be set
as drop down menus or pull down menus. Drop down menus roll down as soon as the cursor
is moved over the menu title. Pull down menus roll down after clicking on the title.
E
EPROM, EEPROM
Plug-in module with EPROM/EEPROM chips. The chips store S5/S7 application programs
permanently. This programmed module is then inserted into the prepared slots of the
automation systems.
Ethernet
Local network with Bus structure for data communication with a transmission speed of
10/100 baud.
F
Formatting
Basic partitioning of memory space on a magnetic data carrier into tracks and segments.
Formatting deletes all data on a data carrier. All data carriers must be formatted prior to their
first use.
D
Gender Changer
The Gender Changer 25-pin male / 25-pin male is used to convert the COM1/V24/AG
interface of the SIMATIC PC family into the common 25-pin male connector.
Motherboard
The motherboard, as the central part of the computer, processes and stores data, controls
and manages interfaces and peripheral devices.
H
RAM
The main memory represents the complete RAM area on a PC/PG.
Hub
A term from network technology. A device which joins communication lines at a central
location and provides a common connection to all devices on the network.
I
Image
An image is, for example, an image of hard disk partitions. Save the image in a file in order
to restore it as needed.
Interface
See Interface.
11-6
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
Panel PC 670 V2/870 V2, Control unit
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