Write a TagGroup to the programmable logic controller
| Exception Type | Condition |
|---|---|
| ArgumentNullException | Thrown if TagGroup parameter is a null reference (Nothing in Visual Basic). |
| ArgumentException | Thrown if TagGroup parameter is not TagGroup Type. |
VB
Imports MBLink
' * initialize Controller class
Dim MBDevice As New Controller("192.168.1.45")
' * initialize TagGroup class
Dim MyGroup As New TagGroup
' * initialize Tag classes
Dim Tag1 As New Tag("40001")
Dim Tag2 As New Tag("40002")
Dim Tag3 As New Tag("40003", TypeOf(System.Single))
' * add tags to group
MyGroup.AddTag(Tag1)
MyGroup.AddTag(Tag2)
MyGroup.AddTag(Tag2)
' * add values
Tag1.Value = ConvertTo.Int16(123)
Tag2.Value = True
Tag3.Value = ConvertTo.Single(123.456);
' * write group
MBDevice.GroupWrite(MyGroup)
' * display data
Console.WriteLine(ToString(Tag1.Value))
Console.WriteLine(ToString(Tag2.Value))
Console.WriteLine(ToString(Tag3.Value))
C#
using MBLink
// initialize Controller class
Controller MBDevice = new Controller("192.168.1.45");
// initialize TagGroup class
TagGroup MyGroup = new TagGroup();
// initialize Tag classes
Tag Tag1 = new Tag("40001");
Tag Tag2 = new Tag("40002");
Tag Tag3 = new Tag("40003", typeof(System.Single));
// add tags to group
MyGroup.AddTag(Tag1);
MyGroup.AddTag(Tag2);
MyGroup.AddTag(Tag3);
// add values
Tag1.Value = ConvertTo.Int16(123);
Tag2.Value = true
Tag3.Value = ConvertTo.Single(123.456);
// write group
MBDevice.GroupWrite(MyGroup);
' * display data
Console.WriteLine(ToString(Tag1.Value));
Console.WriteLine(ToString(Tag2.Value));
Console.WriteLine(ToString(Tag3.Value));
Controller Class | MBLink Namespace