Table of Contents
Advertisement
Glossary
O
Operating System
Collective term for all functions 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, Windows 98, MS-DOS).
P
Information is transmitted a byte at a time via a parallel interface (port).
Parallel Interface
This means that the transmission rate is very fast. The programming
devices have one parallel interface (LPT1).
See Access Protection
Password
PC
Personal computer
PC cards
Personal Computer cards compliant with the 16-bit PCMCIA standard
or the 32-bit Cardbus standard.
PCI
Peripheral Component Interconnect (high-speed I/O expansion bus)
PCMCIA
(Personal Computer Memory Card International Association).
Association of about 450 computer companies with the aim of setting
worldwide standards for miniaturizing PC expansion cards and making
their use more flexible, offering the market a basis for development.
Cooperates with JEIDA.
See Cardbus interface.
PG LINK
Linking two programming devices via a special connecting cable.
PLC
SIMATIC S5 programmable logic controller
Bus system based on the PROFIBUS standard. Components of the
PROFIBUS
SIMATIC S5 and S7 series (programming devices, programmable logic
controllers, programmable control systems, distributed I/Os) can be
networked using PROFIBUS.
Glossary-8
PG 720 PII Programming Device
C79000-G7076-C756-02
Advertisement
Table of Contents
