Glossary-5
Programming Device PG 740
C79000-G7076-C742-01
S An interface is the connection between individual hardware elements
such as PLCs, programming devices, printers or monitors via physical
connections (cables).
S An interface is also the connection between different programs, to enable
them to work together.
Module which controls and extends the hardware periphery.
The interruption of program processing in the processor of a programmable
controller by an interrupt event.
Interrupt Request
Industrial Standard Architecture (bus for expansion module)
(Japanese Electronics Industry Development Association) Association of
Japanese electronics manufacturers whose aim is to set up standards
worldwide for the miniaturization and flexible application of PC expansion
cards. Cooperates with PCMCIA.
The keyboard is the collection of keys which are used to input data, text,
characters, letters, numbers, special characters and control commands in a
computer. The keyboard forms the input interface between the user and the
computer.
Light-emitting diode (for display and indicating purposes).
The LPT1 port (Centronics port) is a parallel interface that can be used to
connect a printer.
I
Interface
Interface Module
Interrupt
IRQ
ISA
J
JEIDA
K
Keyboard
L
LED
LPT1 Port
Glossary
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