Glossary
SIMATIC IPC547E
146 Operating Instructions, 02/2014, A5E32317120-AB
The license key represents the electronic license stamp of a license. Siemens AG issues a
license key for each software that is protected by a license.
Modules are plug-in units for PLCs, programming devices or PCs. They are available as
central modules, interface modules, expansion cards or mass storage (mass storage
module).
The motherboard is the core of the computer. Here, data are processed and stored, and
interfaces and device I/Os are controlled and managed.
Generic term which describes all functions for controlling and monitoring user program
execution, distribution of system resources to the user programs and the operating mode in
cooperation with the hardware (for example Windows XP Professional).
The CD-RW is used as a disk medium. The CD can then be read only by packet–writing
compatible software or has to be finalized. Finalization of a CD closes the CD within an
ISO9660 shell. You can still write to the CD-RW several times in spite of finalization. Not all
CD drives can read packet-written CDs . There are restrictions to using this method in
general data transfer.
PCI-Express (Peripheral Component Interconnect Express) is an extension standard for
connection of I/O devices with the chipset of a main processor. PCIe is the successor of PCI,
PCI-X and AGP and offers a higher data transmission rate in comparison to its
predecessors.
Peripheral interrupt controller. 15 interrupt lines are available.
cess
eld
(standard bus system for process applications)
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