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using AWP commands in javascript

Created by: Ivo vd E. at: 2/15/2012 3:48 PM (27 Replies)

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3/8/2012 11:33 AM	Rate (0)
jon_hill988 Posts: 10 Rating: (0)	strazdas Ivo, you should use AJAX. First of all, create XML file with all needed params, then get data from it and use it as you with. Simple example is attached. Regards, Gintaras This is almost exactly what I need (I put the script to be called in <body onload=""> to avoid the button) but I can't see how to expand it to work for several different <div>s which all need different plc tags to be updated. Is there a way to specify each tag to update individualy rather than loading an entire external file into a <div> tag? (I think I am correct that this is what your code is doing). Thanks, Jon
jon_hill988 Posts: 10 Rating: (0)
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3/9/2012 9:56 AM	Rate (1)
Ivo vd E. Posts: 20 Rating: (1)	you can put all the variables that you need in 1 xml file. In the script where you load the xml file you define new ID's wich you call with a <span>. In your loadXML after the request: if (xmlhttp.readyState==4 && xmlhttp.status==200) { xmlDoc=xmlhttp.responseXML; document.getElementById("I1").innerHTML= xmlDoc.getElementsByTagName("I1")[0].childNodes[0].nodeValue; } the first id is used in the html-file, the tagname is the name you defined in the xml file <Data_block_1> <I1>:="Data_block_1".I1:</I1> </Data_block_1> now call your variable where you want like this: <span id="I1"></span> create it like this and it should work. Succes!
Ivo vd E. Posts: 20 Rating: (1)
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This contribution was helpful to 1 thankful Users josepvr

3/9/2012 5:26 PM	Rate (0)
grzegorz914 Bronze Member Joined: 5/7/2011 Last visit: 5/23/2025 Posts: 14 Rating: (3)	Hi I want use this script but is not working, can you please look or it is correct: index.html <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!-- AWP_In_Variable Name='"Baza".Cisnienie_CO'--> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>Inteligentny dom S7 1200</title> <link rel="stylesheet" href="Strona_glowna/Strona_glowna.css" /> <script type="text/javascript"> function loadXML() { var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { xmlDoc=xmlhttp.responseXML; document.getElementById("9").innerHTML= xmlDoc.getElementsByTagName("id9")[0].childNodes[0].nodeValue; } { setTimeout('loadXML()',1000); } } xmlhttp.open("GET","http://192.168.1.30/awp/Wirtualny_dom/DB.xml",true); xmlhttp.send(); } </script> </head> <body> <div id="9" style="height: 30px; left: 427px; position: absolute; top: 0px; width: 125px; z-index: 1; " class="style_SkipStroke_1 shape-with-text"> <div class="text-content style_External_125_30 vertical-align-middle-middlebox" style="padding: 0px; "> <div class="style_1 vertical-align-middle-innerbox"> <p style="padding-bottom: 0pt; padding-top: 0pt; " class="Body"></p> </div> </div> </div> </body> </html> DB.xml <Baza> <id9>:="Baza".Cisnienie_CO:</id9> </Baza> Thanks
	Last edited by: grzegorz914 at: 3/9/2012 5:29 PM Last edited by: grzegorz914 at: 3/9/2012 5:27 PM
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3/9/2012 8:13 PM	Rate (0)
0_Einstein Grandmaster-Expert Joined: 7/7/2010 Last visit: 12/16/2025 Posts: 16311 Rating: (2520)	<!-- AWP_In_Variable Name='"Baza".Cisnienie_CO'--> If you look at the tips/tricks for web server and awp by Pegaia, he shows some of the AWP. The problem with using a DB is you need to also tell the web server what "Baza" is. Add this command prior to quoted one above (you can find my comments in that same thread posted by Pegaia): <!-- AWP_In_Variable Name="Baza" -->
	science guy
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3/9/2012 8:52 PM	Rate (0)
grzegorz914 Bronze Member Joined: 5/7/2011 Last visit: 5/23/2025 Posts: 14 Rating: (3)	huggy_d1 <!-- AWP_In_Variable Name='"Baza".Cisnienie_CO'--> If you look at the tips/tricks for web server and awp by Pegaia, he shows some of the AWP. The problem with using a DB is you need to also tell the web server what "Baza" is. Add this command prior to quoted one above (you can find my comments in that same thread posted by Pegaia): <!-- AWP_In_Variable Name="Baza" --> Hi This is not the problem, when I'm using this variable direct in the index.html then variable is displayed. Only not working when I using above Ajax Script to refresh variable using DB.xml. Can You place your file index.html and DB.xml here.? I could compare what is wrong on my site. Regrds

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3/11/2012 1:33 PM	Rate (0)
grzegorz914 Bronze Member Joined: 5/7/2011 Last visit: 5/23/2025 Posts: 14 Rating: (3)	Problem solvedbut there wasanother,in the xml fileI have50 variablesbut onlythe first 25 isdisplayedon the web page.What could bethe reason?Whythe rest ofthe variablesare not displayed? Thanks

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3/15/2012 4:01 PM	Rate (0)
jon_hill988 Posts: 10 Rating: (0)	I think I must still be missing something, the script below is in my header and I call it with <body onload="loadIndicators()"> [code]<script type="text/javascript"> function loadIndicators() { var xmlhttp; if (window.XMLHttpRequest) {// code for IE7+, Firefox, Chrome, Opera, Safari xmlhttp=new XMLHttpRequest(); } else {// code for IE6, IE5 xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange=function() { if (xmlhttp.readyState==4 && xmlhttp.status==200) { xmlDoc=xmlhttp.responseXML; document.getElementById("DQ0a").innerHTML=xmlDoc.getElementsByTagName("DQ0a")[0].childNodes[0].nodeValue; document.getElementById("DQ1a").innerHTML=xmlDoc.getElementsByTagName("DQ1a")[0].childNodes[0].nodeValue; document.getElementById("DQ2a").innerHTML=xmlDoc.getElementsByTagName("DQ2a")[0].childNodes[0].nodeValue; document.getElementById("DQ3a").innerHTML=xmlDoc.getElementsByTagName("DQ3a")[0].childNodes[0].nodeValue; document.getElementById("DQ4a").innerHTML=xmlDoc.getElementsByTagName("DQ4a")[0].childNodes[0].nodeValue; document.getElementById("DQ5a").innerHTML=xmlDoc.getElementsByTagName("DQ5a")[0].childNodes[0].nodeValue; document.getElementById("DQ6a").innerHTML=xmlDoc.getElementsByTagName("DQ6a")[0].childNodes[0].nodeValue; document.getElementById("DQ7a").innerHTML=xmlDoc.getElementsByTagName("DQ7a")[0].childNodes[0].nodeValue; document.getElementById("DQ0b").innerHTML=xmlDoc.getElementsByTagName("DQ0b")[0].childNodes[0].nodeValue; document.getElementById("DQ1b").innerHTML=xmlDoc.getElementsByTagName("DQ1b")[0].childNodes[0].nodeValue; document.getElementById("DI0a").innerHTML=xmlDoc.getElementsByTagName("DI0a")[0].childNodes[0].nodeValue; document.getElementById("DI1a").innerHTML=xmlDoc.getElementsByTagName("DI1a")[0].childNodes[0].nodeValue; document.getElementById("DI2a").innerHTML=xmlDoc.getElementsByTagName("DI2a")[0].childNodes[0].nodeValue; document.getElementById("DI3a").innerHTML=xmlDoc.getElementsByTagName("DI3a")[0].childNodes[0].nodeValue; document.getElementById("DI4a").innerHTML=xmlDoc.getElementsByTagName("DI4a")[0].childNodes[0].nodeValue; document.getElementById("DI5a").innerHTML=xmlDoc.getElementsByTagName("DI5a")[0].childNodes[0].nodeValue; document.getElementById("DI6a").innerHTML=xmlDoc.getElementsByTagName("DI6a")[0].childNodes[0].nodeValue; document.getElementById("DI7a").innerHTML=xmlDoc.getElementsByTagName("DI7a")[0].childNodes[0].nodeValue; document.getElementById("DI0b").innerHTML=xmlDoc.getElementsByTagName("DI0b")[0].childNodes[0].nodeValue; document.getElementById("DI1b").innerHTML=xmlDoc.getElementsByTagName("DI1b")[0].childNodes[0].nodeValue; document.getElementById("DI2b").innerHTML=xmlDoc.getElementsByTagName("DI2b")[0].childNodes[0].nodeValue; document.getElementById("DI3b").innerHTML=xmlDoc.getElementsByTagName("DI3b")[0].childNodes[0].nodeValue; document.getElementById("DI4b").innerHTML=xmlDoc.getElementsByTagName("DI4b")[0].childNodes[0].nodeValue; document.getElementById("DI5b").innerHTML=xmlDoc.getElementsByTagName("DI5b")[0].childNodes[0].nodeValue; document.getElementById("AI0a").innerHTML=xmlDoc.getElementsByTagName("AI0a")[0].childNodes[0].nodeValue; document.getElementById("AI1a").innerHTML=xmlDoc.getElementsByTagName("AI1a")[0].childNodes[0].nodeValue; document.getElementById("AI0b").innerHTML=xmlDoc.getElementsByTagName("AI0b")[0].childNodes[0].nodeValue; document.getElementById("AI1b").innerHTML=xmlDoc.getElementsByTagName("AI1b")[0].childNodes[0].nodeValue; document.getElementById("AI2b").innerHTML=xmlDoc.getElementsByTagName("AI2b")[0].childNodes[0].nodeValue; document.getElementById("AI3b").innerHTML=xmlDoc.getElementsByTagName("AI3b")[0].childNodes[0].nodeValue; setTimeout('loadIndicators()',1000); } } xmlhttp.open("GET","indicators.xml"), true); xmlhttp.send(); } </script>[/code] My indicators.xml file contains the following: [code]<Web_Access> <DQ0a>:="Web_Access".DQ0a:</DQ0a> <DQ1a>:="Web_Access".DQ1a:</DQ1a> <DQ2a>:="Web_Access".DQ2a:</DQ2a> <DQ3a>:="Web_Access".DQ3a:</DQ3a> <DQ4a>:="Web_Access".DQ4a:</DQ4a> <DQ5a>:="Web_Access".DQ5a:</DQ5a> <DQ6a>:="Web_Access".DQ6a:</DQ6a> <DQ7a>:="Web_Access".DQ7a:</DQ7a> <DQ0b>:="Web_Access".DQ0b:</DQ0b> <DQ1b>:="Web_Access".DQ1b:</DQ1b> <DI0a>:="Web_Access".DI0a:</DI0a> <DI1a>:="Web_Access".DI1a:</DI1a> <DI2a>:="Web_Access".DI2a:</DI2a> <DI3a>:="Web_Access".DI3a:</DI3a> <DI4a>:="Web_Access".DI4a:</DI4a> <DI5a>:="Web_Access".DI5a:</DI5a> <DI6a>:="Web_Access".DI6a:</DI6a> <DI7a>:="Web_Access".DI7a:</DI7a> <DI0b>:="Web_Access".DI0b:</DI0b> <DI1b>:="Web_Access".DI1b:</DI1b> <DI2b>:="Web_Access".DI2b:</DI2b> <DI3b>:="Web_Access".DI3b:</DI3b> <DI4b>:="Web_Access".DI4b:</DI4b> <DI5b>:="Web_Access".DI5b:</DI5b> <AI0a>:="Web_Access".AI0a:</AI0a> <AI1a>:="Web_Access".AI1a:</AI1a> <AI0b>:="Web_Access".AI0b:</AI0b> <AI1b>:="Web_Access".AI1b:</AI1b> <AI2b>:="Web_Access".AI2b:</AI2b> <AI3b>:="Web_Access".AI3b:</AI3b> </Web_Access>[/code] And I call the various tags with <div id="XXXX"> where required (there is a .css changing the formatting of these <div>s by class if that makes a difference but I have tried <span> as well) It does nothing when I test it, the <div></div> show as empty, and when I go to preview in frontpage (it's what I have to work with and it isn't like I use the design mode, I'm just using it for sytax highlighting and preview) I get and error in script line 81 which is the xmlhttp.send line. Can anyone see where I am going wrong? If I load the .xml file directly I can see the tags have been replaced with their correct values by the webserver. Thanks for the help so far, Jon
jon_hill988 Posts: 10 Rating: (0)	Last edited by: jon_hill988 at: 3/15/2012 4:51 PM fat fingers
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3/15/2012 4:32 PM	Rate (0)
strazdas Posts: 4 Rating: (1)	jon_hill988, where is your html (in PLC or in PC)? When we are talking about ajax we are also talking about browser security restrictions: Same origin policy Regards, Gintaras
strazdas Posts: 4 Rating: (1)	Last edited by: strazdas at: 3/15/2012 4:32 PM
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3/15/2012 4:44 PM	Rate (0)
jon_hill988 Posts: 10 Rating: (0)	It is in the PLC, though I tried to debug the script in IE on my PC, I figured that it would at least load the AWP tag text into my <div>. In both cases the .xml is just sitting alongside index.html and I don't call it with the full file path. Should I be using the global url instead of a relative one? EDIT: Full URL path makes no change when viewing the page on the PLC websever. EDIT: After scratching my head for a while I found it, I had an extra ) where not needed in the xmlhttp.open line. All working now, thanks again. Jon
jon_hill988 Posts: 10 Rating: (0)	Last edited by: jon_hill988 at: 3/15/2012 5:53 PM /me smashes head on keyboard Last edited by: jon_hill988 at: 3/15/2012 4:49 PM Last edited by: jon_hill988 at: 3/15/2012 4:46 PM
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3/15/2012 6:41 PM	Rate (0)
jon_hill988 Posts: 10 Rating: (0)	OK, Now that it is working I notice the update rate is a bit slow and eratic. Is there anyway to speed it up? Changing the value for setTimeout seems to change it but no mater how low I go I can't get it to refreash faster than about every 6 seconds. Is this a problem with the script, the network, my browser or simply a limitation of the PLC? Jon
jon_hill988 Posts: 10 Rating: (0)
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