Glossary
SIMATIC IPC427D
Operating Instructions, 05/2017, A5E31347215-AB
193
The Intel Virtualization Technology (IVT) is the implementation of a secure closed
environment for applications. Special (visualization) software an a VT-capable processor is
required for its use.
● Physical interconnection (cable) of hardware elements such as PLCs, PCs, programming
devices, printers or monitors.
● Interface for interactive software applications.
ocal
rea
etwork: LAN is a local network that consists of a group of computers and other
devices that are distributed across a relatively restricted range and are linked with
communication cables. The devices connected to a LAN are called nodes. The purpose of
networks is the mutual use of files, printers or other resources.
Conventional drives can be used as USB devices.
The license key represents the electronic license stamp of a license. Siemens provides the
license keys for protected software.
The license key disk contains the authorizations or license keys required to enable protected
SIMATIC software.
EC Product Safety Directive relating to the safety of products which are operated on low
voltage (50 V AC to 1000 V AC, 70 V DC to 1500 V DC) and not specified in other directives.
Compliance is confirmed by the CE symbol and the EC certificate of conformity.
Modules are plug-in units for PLCs, programming devices or PCs. They are available as
central modules, interface modules, expansion modules or as mass storage (mass storage
modules).
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