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Siemens SIMATIC S5 Series User Manual

Siemens SIMATIC S5 Series
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Glossary-6
Working with S5-DOS/ST
C79000-G8576-C760-03
Expanded memory is used to describe the possibility for a program
to access up to 32 Mbytes of memory above its conventional
memory.
Expansion memories can be installed to expand the standard
memory of a PG. After installation, the new memory size is
entered in the SETUP menu.
The extended memory is the memory which lies beyond the
1 Mbyte memory limit. The size of the extended memory must be
entered in the SETUP menu and is compared with the existing
extended memory. An add-on memory can be installed in a PG to
increase the size of the memory. The entry in the SETUP must,
however, be changed if a memory extension is added.
This is a medium for transmitting electronic data via fiberglass or
plastic cables. Fiber-optic cables are interference-free and allow
extremely fast data transmission using modulated light.
A file is the collection of like data under one name. A file contains
data required by the user to program for specific purposes and
tasks.
The floppy disk drive is used to store programs and data on
diskette (write access) or to load from diskette to the computer
(read access).
Formatting divides the memory area on a magnetic data medium
into tracks and sectors.
Expanded Memory
Expansion Memory
Extended Memory
F
Fiber-Optic Cable
File
Floppy Disk Drive
Formatting
Glossary

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Siemens SIMATIC S5 Series Specifications

General IconGeneral
SeriesSIMATIC S5
ManufacturerSiemens
CategoryController
Programming LanguageSTEP 5
Modular DesignYes
Power Supply24V DC
Communication InterfacesRS-232, RS-485
Memory TypeEPROM, RAM
Digital Inputs/OutputsVaries depending on module configuration
Analog Inputs/OutputsVaries depending on module configuration
CPU TypeVaries by model
MemoryVaries by model
Operating Temperature0°C to 60°C

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