System Overview S5-115F Manual
1.6 Operator-Process Communication, Process Visualization, and
Programming
Today, users expect good process visualization with the capability to intervene where necessary.
Previously, they had to hard-wire indicating lights, switches, potentiometers, and pushbuttons,
even for simple requirements. For more complex processes, they had to use expensive video
display terminals.
The S5-115F enables you to react optimally to the most varied automation requirements, even
where programming is concerned.
To help you with this, the following performance-graded and compatible spectrum of pro-
grammers is available:
• The PG 635 in briefcase design with swing-up liquid crystal display,
• The PG 685 CRT-based programmers,
• The PG 695 with Siemens PC 16-11/PC 16-20 hardware as programming and documentation
workstation,
• PG 710, PG 720, PG 730 and PG 740 as portable programming unit
• PG 750 and PG 770 with colour monitor.
All the programmers feature high performance, simple handling, user-friendly operator
prompting, and the standard, easily learned STEP 5 programming language.
1.7 Software
Until now, prices for hardware components tended to drop constantly and prices for software
tended to increase. The reasons were as follows:
• The processes to be automated became more and more complex
• Safety requirements increased
• Personnel costs increased
• Ergonomic demands increased
Siemens has put an end to this trend. SIMATIC provides the following four solutions to keep
software costs down:
• The user-friendly STEP 5 programming language with its four methods of representation and
convenient structuring capabilities
• An extensive software catalog
• User-friendly programmers
• Menu-driven configuration of safety and system features
1-6
EWA 4NEB 811 6148-02
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