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Products:
Web HMIs have conquered the world of automation
10
Years
Saia
®
S-Web
A paradigm shift towards lean automation
How has the technology, application areas and product portfolio influenced the
development of web-based control and visualization, and what’s next? The answers lie
in a proven track record of innovative lateral thinking combined with the concepts of
lean philosophy.
Authors: Urs Jäggi/Thierry Rebut
2002:
The beginning of Saia® S-Web
In 2002 we were the first company in the industry to
supply web technology for automation, with an HMI
application server at every automation station and
a standard browser as the HMI client. With the first
version of Saia®WebEditor it was possible to create
visualization and service applications for Internet
Explorer, even without JAVA.
In early years, S-Web technology replaced mainly
simple SCADA and management software and
served as a simple service interface. Every note-
book or standard PC could use it for operating and
service functions without the need for special soft-
ware. Dedicated operator stations were therefore
unnecessary. The «no bells and whistles» approach
of the S-WebEditor was particularly suited to the
remote monitoring, service and management of
automation systems via telephone connections.
Staff came up with a simple browser interface
that was much easier to use than with overloaded,
highly stylized special software. Changes to the
Since 2002: the first step for web technology in automation
Structural diagram of an S-Web system from 2002:
From the outset, there was also the possibility of running
S-Web over RS485. This is still used today in modern and
large projects such as at Frankfurt airport to reduce the
load on LANs
Dedicated Saia®S-Web HMI
devices – of course all the
applications will run on any
other Linux, Apple or Win-
dows system. Description of
device lines and functions
under web code en1399a.
Field level
system tchnology
Automations
level
Manage-
ment level
S-Web withWindows PC
= replaces SCADA
Windows
Notebook
= Service tool
Saia®Micro-Browser Web-Panel
Saia®NT-operating system
Micro-Browser
Saia® eWinWeb-Panel
Windows CE
Windows eXP
Micro-Browser
Internet Explorer
Saia® functional HMI
Micro-Browser
Saia®BACnet-Monitor
Saia®NT-operating system
Apps for mobile end devices
Micro-Browser
iPhone
iPad
Stand 2002
user interface could be made quickly and easily
on site and so the «Perfect Fit» could be achieved.
So it was really «lean».
en1399
