Unitronics Web Server Demo

This page shows different options for Web pages that you can create and host on Unitronics PLCs.

You do this by using the VisiLogic application Enhanced PLC Webserver.vlp.

Exact instructions on how to create a PLC Webserver application are in the document Enhanced PLC WebServer.pdf


Operand Values

You can view operand values as shown in the table below. The Example column shows actual PLC operand values. If you are now viewing this page from your PLC's SD card, you can enter Online Test Mode, write operand values, and refresh the page to see them change.

Supported Operand Type

Display Options

Example
MI - Memory Integer

SI - System Integer

DW - Double Word
You can display register values from within your PLC.

You can define the display format, including decimal point location and leading spaces options.

MI0 = [MI0,3,0,0]

SI30 = [SI30,0,0,0]

DW5 = [DW5,0,0,2]

MB - Memory Bit

XB - Toggle Bit

IB - Input Bit

OB - Output Bit

You can assign text descriptions to show the status of a binary value.

MB1 = [MB1,Bit is OFF,Bit is ON]

O2 = [OB2,Motor Idle,Motor Running]

TD - Timer Show PLC Timers of all types and formats.

T50 = [TD50,7,C,R]

ST - String from String Library Display direct and indirect Strings from the PLC's String Library.

String 0 = [ST0,PPPPPPPPPPP]

 

You can also write operand values.

The field below is linked to ML12. Enter a value and press Send Data to write it to the PLC and display the result.

 ML12  

Result:

Unformatted: [ML12,0,0,0]

With decimal point: [ML12,2,0,0]

In hexadecimal:  [ML12,0,3,0]


Tables

You can design and create your own tables with colors, headers, borders etc.

No.

Data

Rem.

...

1

     

2

     

Fonts

You can use any font  (Hello, Hello, Hello, Hello,...), any Font colors (Red, Blue, Yellow, etc.), and of course you can select font size and style (Small, Big, Bold, Italic, Underlined,, any Combination)


Page Background

Use Page Properties to select any background color, or to use a graphic image/watermark.


Hyperlinks

You can create hyperlinks to any web site, for example to the Unitronics Web Site.


Downloading files

You can download any file that was created by the PLC and was saved on SD card, such as .udt, .utr , and .ulg files.

For example - click on the following link to download a .udt file from the PLC to your computer hard drive:

Download Users.udt file

You can also download any other type of file from the PLC SD card, such as .doc , .pdf, etc.

Download a .pdf file from PLC SD card

To download files from other websites, include a link for file download from a URL (web site or IP). For example, you can download a "User Manual" from a manufacturer via PLC web server.


Images

Images can be shown via a link to a web site or IP address. For example, the Unitronics Logo below is hosted on the Unitronics .ftp site.

You can show an image that is stored on the SD card. The image of the V350 below is from the SD card in your PLC.

You can also use images to create hyperlinked buttons as shown below.


 

Unitronics Web Site

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