Glossary-13
Working with S5-DOS/ST
C79000-G8576-C760-03
The complete programming device software cannot be loaded into
the working memory (RAM). Thus it is divided according to its
functions into so-called packages. These packages are displayed by
the S5 command interpreter and loaded into the working memory
only when they have been selected. In addition to the LAD, CSF,
STL package there are other packages, for example, SYMBOLS
EDITOR, EPROM/EEPROM, GRAPH 5 etc.
All S5 packages which are based on S5-DOS use the operating
system utilities by calling up “tools”. The tools are a collection of
subroutines which make complex tasks such as reading a file on
diskette or communicating with the PLC possible. The tools do this
by accessing the S5 drivers and functions of the basic operating
system.
Data is transmitted one bit at a time via a serial interface (port),
therefore serial interfaces are slower than parallel interfaces.
The SETUP is a program for transferring information about the
device configuration (that is, the configuration of the PG
hardware) to the battery-backed memory. The device configuration
of the PG is preset with defaults. Changes must therefore be
entered in the SETUP if a memory extension, modules, a new
drive or a co-processor are added to the hardware configuration or
if the ARCNET interface (PG 750) is to be activated.
The SINEC H1 network (bus system) is intended for use in
industry according to IEEE 802.3 (ETHERNET). Programming
devices, personal computers and programmable controllers can all
be connected.
S5 Package
S5 Tools
Serial Interface
SETUP
SINEC H1
Glossary
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