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HMI
Human Machine Interface
I
Industrial Ethernet
Bus system based on the Ethernet standard. Components of the SIMATIC S5 and
S7 series (programming devices, programmable logic controllers, programmable
control systems) can be networked using Industrial Ethernet NICs.
Interface
S An interface is the connection between individual hardware elements such as
PLCs, PCs, 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.
Interface Module
Module used to connect the hardware I/O.
IRQ
Interrupt request. One of a set of possible hardware interrupts, identified by a num-
ber. The number of the IRQ determines which interrupt handler will be used.
ISA
Industrial Standard Architecture (bus for expansion module)
J
JEIDA
(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.
SIMATIC Box PC 840 Manual
A5E00085984-04
Glossary
Glossary-7

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