WinCC Unified – Simple Sample - Parameter set: listing parameter contends and getting parameter name from the parameter ID.

export async function Button_5_OnTapped(item, x, y, modifiers, trigger) {

// Export all data sets

try {

await HMIRuntime.ParameterSetTypes.SysFct.ExportParameterSets(1, 0, HMIRuntime.Tags.SysFct.GetTagValue("Path"), 1, true, HMIRuntime.Tags.SysFct.CreateSetTagCommand("ExportStatus"), false);

}

catch (err) { }

// Import all data sets and save into a internal variable

let text;

try{

text = await HMIRuntime.FileSystem.ReadFile(HMIRuntime.Tags.SysFct.GetTagValue("Path"), "utf8");

}

catch (e)

{

HMIRuntime.Trace("Read failed with error: " + e);

}

// Split the archive in individual lines

let textLines;

textLines = text.split('\n');

// get and save the number of lines (number of records = number of lines - 3 (headers) - 1 (final line)

let tag1 = Tags("Size");

tag1.Write(textLines.length-4);

// Find a specific ID and get the Name of it

let name;

name = "Not found";

let textLine;

for (let i = 0; i < textLines.length; i++) { //scan all file

textLine = textLines[i].split('\t'); // split the line by tabs

if(textLine[0].toString() == Tags("ParameterSetID").Read().toString()){ // check if the right line field match with the ParameterSet ID

name = textLine[1].toString();

break;

}

}

let tag2 = Tags("Name");

tag2.Write(name);

}

export async function Button_6_OnTapped(item, x, y, modifiers, trigger) {

// Export all data sets

try {

await HMIRuntime.ParameterSetTypes.SysFct.ExportParameterSets(1, 0, HMIRuntime.Tags.SysFct.GetTagValue("Path"), 1, true, HMIRuntime.Tags.SysFct.CreateSetTagCommand("ExportStatus"), false);

}

catch (err) { }

// Import all data sets and save into a internal variable

let text;

try{

text = await HMIRuntime.FileSystem.ReadFile(HMIRuntime.Tags.SysFct.GetTagValue("Path"), "utf8");

}

catch (e)

{

HMIRuntime.Trace("Read failed with error: " + e);

}

// Split the archive in individual lines

let textLines;

textLines = text.split('\n');

// Get the name of the first data set

// read the first data set = line 3 (there are 3 header lines)

// split the line in the idividual fields

let textLine;

if (textLines.length > 4) { // check if the index exists, taking in account that there is a foot line at the end

textLine = textLines[3].split('\t'); // split the line by tabs

let tag1 = Tags("Name1");

tag1.Write(textLine[1].toString()); //field 0 = ID, field 1 = name

} else {

let tag1 = Tags("Name1");

tag1.Write("no value")

};

// do de same with the two other lines

if (textLines.length > 5) { // check if the index exists, taking in account that there is a foot line at the end

textLine = textLines[4].split('\t'); // split the line by tabs

let tag2 = Tags("Name2");

tag2.Write(textLine[1].toString()); //field 0 = ID, field 1 = name

} else {

let tag2 = Tags("Name2");

tag2.Write("no value")

};

if (textLines.length > 6) { // check if the index exists, taking in account that there is a foot line at the end

textLine = textLines[5].split('\t'); // split the line by tabs

let tag3 = Tags("Name3");

tag3.Write(textLine[1].toString()); //field 0 = ID, field 1 = name

} else {

let tag3 = Tags("Name3");

tag3.Write("no value")

};

}