Rockwell-automation 1768-EWEB EtherNet/IP Web Server Module User Manua Uživatelský manuál stáhnout pdf (Strana 101)

Publication ENET-UM527E-EN-P - October 2006

Create Custom Web Pages 101

These functions are contained in the XMLObjectLoaderLib.js library.

For example, the following code is a snippet from a web page which

displays information about the identity object of a device in slot 1 of

the local chassis.

function loadPage() {

document.getElementById("vendor").innerText = "" + idobj.VendorID;

document.getElementById("type").innerText = "" + idobj.DeviceType;

document.getElementById("code").innerText = "" + idobj.ProductCode;

document.getElementById("rev").innerText = idobj.Revision.MajorRevision + "."

idobj.Revision.MinorRevision;

document.getElementById("status").innerText = "0x" + decToHex(idobj.Status);

document.getElementById("serial").innerText = "0x" +

decToHex(idobj.SerialNumber);

document.getElementById("prodname").innerText = idobj.ProductName;

}

function loadme() {

var id = "<% CIPMessage("1,1", 1, 1, 1, 0, 0,"0","STRING"); %>"

var xl = new XMLObjectLoader();

xl.LoadObject("idobj", "/CIPXMLobj/CN_01_Identity.xml", id);

loadPage();

</script>

Function Description

XMLObjectLoader() This routine initializes the XMLObjectLoader object used to parse the CIP return

data. Set it to a declared variable in the Javascript. For example:

var xol = new XMLObjectLoader();

LoadObject(objectname,

xmlfilename, objectstruct)

The LoadObject function is a member function of the XMLObjectLoader object that

parses the CIP object return string passed in objectstruct, using the XML description file

xmlfilename, and placing the result in the objectname variable, where:

objectnameglobal variable that contains the result, accessible to all scripts within

the page.

xmlfilenameabsolute or relative path to the XML file containing the object description

objectstruct CIP object return string

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Rockwell-automation 1768-EWEB EtherNet/IP Web Server Module User Manua Uživatelský manuál Strana 101