Siemens PCIL43 Manual De Usuario

 

SIMATIC Rack PC IL 43 
Operating Instructions, Edition 09/2005, A5E00432875-01 

Glossary-1

 

Glossary 

Application 

An application is a program which builds directly on the MS-DOS / Windows operating 

system. Applications on your PG or PC, for example, are STEP 7, STEP 7-Micro/WIN. 

ATAPI CD–ROM Drive 

AT-Bus Attachment Packet Interface (connected to AT bus) CD-ROM drive 

Automation device (AG) 

The programmable logical controllers (PLC) of the SIMATIC S5 systems consist of a central 

controller, one or more CPUs, and various other modules (e.g. I/O modules). 

Automation system (AS) 

The programmable logical controllers (PLC) of the SIMATIC systems (S5 or S7) consist of a 

central controller, one or more CPUs, and various I/O modules. 

Backup 

Duplicate of a program, data carrier or database, used either for archiving purposes or for 

the protection of vital and non-replaceable data against loss when the working copy is 

corrupted. Some applications automatically generate backup copies of data files, and 

manage both the current and the previous versions on the hard disk. 

Base memory 

The base memory is a part of the main memory. Its size is 640 K for all programming 

devices. The size is entered in the SETUP menu under the entry “Base Memory” and is not 

changed even if the memory is extended. 

Baud 

Physical unit for the step speed in signal transmission. Defines the number of transferred 

signal states per second. With only two states, one baud is equivalent to a transmission rate 

of 1 bps.