Glossary
Release 11/02
Glossary-3
SIMATIC Panel PC 870 Computing Unit, Equipment Manual
I
Interface module
Module for connecting hardware I/O.
Interface, multipoint
The multipoint interface (MPI) is the SIMATIC PC interface to the SIMATIC S7/M7.
This enables programmable modules, (module, programmable), text displays and
operator panels to be reached from a central point. The nodes on the MPI can
communicate with each other.
Interrupt
Discontinuation in the processor of a programmable controller by an interrupt
event.
IRQ
Interrupt request.
ISA
Industrial Standard Architecture (bus for expansion board)
K
Keyboard port
PS/2 keyboard connector Keyboards with an integrated trackball can be
connected.
L
LPT 1 port
The LPT 1 port (Centronics interface) is a parallel interface which can be used for
attaching a printer.
M
Main memory
Main memory is the whole RAM on a SIMATIC PC.
Содержание Simatic PC Panel PC 870
Страница 4: ...Chapter For your notes ...
Страница 12: ...Contents Release 11 02 xii SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Страница 94: ...Fault Diagnosis Release 11 02 6 10 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Страница 130: ...Hardware Information Release 11 02 7 36 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...
Страница 154: ...Index Release 11 02 Index 4 SIMATIC Panel PC 870 Computing Unit Equipment Manual ...