Siemens SIMATIC INDUSTRIAL PC PCIL43 - Manual (Page 103)

Glossary
SIMATIC Rack PC IL 43
Operating Instructions, Edition 09/2005, A5E00432875-01
Glossary-7
Pixel
PixElement (picture point). The pixel represents the smallest element that can be reproduced
on-screen or on a printer.
PROFIBUS / MPI
Process Field Bus (standard bus system for process applications)
RAM
The RAM is the total a read/write memory in a PG/PC.
Recovery CD
Contains the tools for setting up the hard disks and the Windows operating system.
Remove module bracket
The module bracket is used to fasten modules and ensure safe contact and transport.
Shocks and vibrations especially affect large, heavy modules. It is therefore recommended
to use the module bracket for this type of module. There are also short, compact and light
modules on the market. The module bracket was not designed for these modules because
the standard fastening is sufficient for them.
Reset
Hardware Reset: Reset/restart of the PC using a button/switch.
Restart
Warm start of a computer in operate state without switching off the power supply (Ctrl + Alt +
Del).
Restore CD
The Restore CD is used to restore the system partition or the entire hard disk to factory state
if the system has crashed. The bootable CD contains all the necessary image files. You can
also create a boot disk allowing restoration via the network.
ROM
Read-Only Memory ROM is read-only memory in which every memory location can be
addressed individually. They contain factory set programs and data that are not lost in the
event of a power failure.
SCSI port
Small Computer System Interface Interface for connecting SCSI devices (e.g. hard disk or
CD–ROM drives)