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FP Web-Server V2.11 

 

7.1 Details on the FP Web-Server's Web Page Functions 

97 

In the following file "MAIN.HTM" of "Example8" two frames are used. 

 

The content of each frame is stored in a separate HTML file: 

TOP.HTM 

UNTEN.HTM  

Each HTML file can be edited separately. Both HTM files show PLC data but the TOP.htm site is 
automatically updated every second. 

 

The FP Web-Server's http server can also deliver PLC data within XML files. Similar to an 
HTML file, the XML file can include the special PLC data tag (see "Data Fields for Displaying 
PLC Data on HTML Pages" on page 77) 

{TTxxxy_aa_bb}. This tag is replaced by the actual 

PLC data at the time the XML file is requested (see page 73) from a client in the form 
"

http://199.199.26.52/plc?filename.xml" 

The XML file format is a sort of ASCII text file designed for data exchange (data import/export, 
data base interface …). An XML file contains only structured data and not style or format 
information. 

The XML file format is a sort of ASCII text file designed for data exchange (data import/export, 
data base interface …). An XML file contains only structured data and not style or format 
information. An XSL file with style and format information is needed to transform an XML into a 
different file (display) format. The "transformNode()" function of the Microsoft Internet Explorer 
is used to take the XML data and an XSL format definition to generate an HTML page. 

The XML / XSL conversion is demonstrated in "Example14".  

XML file handling is carried out in four steps (based on "Example14"): 

1.  For example, the user generated XML file (including PLC data tags) "Producn.xml" may 

look like: