Siemens SIMATIC PG 760 Manual page 105

O
Operating system
Collective term for all programs which, in conjunction with the hardware,
control and monitor execution of the user programs, the distribution of
resources among the individual user programs and the maintenance of the
operating mode (for example, MS-DOS).
P
Parallel Interface
Information is transmitted one byte at a time via a parallel interface (port).
This means that the transmission rate is very fast. The programming devices
have one parallel interface (LPT1).
Password See Access Protection.
PC Personal computer.
PCI
Peripheral Component Interconnect (fast expansion bus).
PG Programming device.
PG LINK Linking two programming devices via a special connecting cable.
PLC
SIMATIC S5 programmable controller.
Programmable
The programmable logical controllers (PLCs) of the SIMATIC S5 system
Controller consist of a central controller, one or more CPUs and various I/O modules.
The PLCs of the SIMATIC S7 system (for example, S7-200, S7-300) consist
of one or more CPUs and various I/O modules.
Pull-Down Menu See Drop-Down Menu.
PG 760 Programming Device
C79000-G7076-C761-01
Glossary
Glossary-7