Tag.ErrorCode Property

Returns the error code for the last MODBUS device access for the Tag instance

Property Value

Types of errors reported: (see Remarks below)

Implements

ITag.ErrorCode

Remarks

ErrorCode will reflect the probably cause of failure. The ErrorString property provides a description of the error.

Operational Error - E_xxx error codes. See ResultCode

WINSOCK Error - 100xx error codes. Windows has a problem with the network subsystem an unknown Win32 error comes back with a numer (like e.g. 10060).

Device Errors - Errors reported by the MODBUS device. Please consult the MODBUS users manual for resolution.

Example

VB
Imports MBLink
Dim MBDevice As New Controller("192.168.1.45")
Dim MyTag As New Tag("40001")
MBDevice.ReadTag(MyTag)
If MyTag.ErrorCode = ResultCode.E_SUCCESS Then
  Console.WriteLine(MyTag.Value.ToString())
Else
  Console.WriteLine(MyTag.ErrorString)
End If
C#
using MBLink;
Controller MBDevice = new Controller("192.168.1.45");
Tag MyTag = new Tag("40001");
MBDevice.ReadTag(MyTag);
if (MyTag.ErrorCode != ResultCode.E_SUCCESS)
  Console.WriteLine(MyTag.ErrorString);
else
  Console.WriteLink(MyTag.Value.ToString());

See Also

Tag Class | MBLink Namespace | ErrorString | QualityCode | QualityString | TimeStamp