Advanced settings IED / IED 2

Title/Qualifier

AP-title

AP-title is an object identifier which is assigned by the network naming authority. It represents the application process title for the particular application process.

An object identifier is a sequence of integer values representing an application in the OSI model.

The value of AP-title shall be quoted according to the format specified for OSI object identifiers (www.oid-info.com). The characters allowed to be used are 0 to 9 and comma (,), the maximum number of commas allowed in this field is 8. If the field is left empty the parameter is not transmitted (also see note below).

The following table shows the meaning of the first character.

AE-qualifier

AE-qualifier is an integer value used to identify the application entity. The allowed range according to the IEC standard is 0 to 99999. If set to -1 this parameter is not transmitted (see also note below).

Invoke

AP-invoke ID

The AP-invoke ID is an integer value used to identify an invocation instance of the application process. The allowed range according to the IEC standard is 0 to 99999. If set to -1 this parameter is not transmitted (see also note below).

AE-invoke ID

The AE-invoke ID is an integer value used to identify an invocation instance of the application entity. The allowed range according to the IEC standard is 0 to 99999. If set to -1 this parameter is not transmitted (see also note below).

Which of these parameters are supported depends on the IED . Transmitting a non-supported parameter might cause the device to deny the connection request. Use the settings described above to prevent the transmission of a parameter.

TCP

PSEL

The presentation selector is used to identify a presentation service access point. The maximum number of characters allowed is 16.

SSEL

The session selector is used to identify a session service access point. The maximum number of characters allowed is 16.

TSEL

The transport selector is used to identify a transport service access point. The maximum number of characters allowed is 8.

The values for PSEL, SSEL and TSEL must be entered in hexadecimal format, Characters allowed are 0 to 9 and A to F. The entry must contain an even number of visible characters.

Authentication

Enable

Authentication is used for secure communication between the client and the device. The default state is unchecked (no authentication).

Password

The text field Password is only enabled when the check box Authentication is enabled. The maximum length for a password is 80 characters.

Please refer to the PIXIT document of the IED to examine if it supports secure communication.

There are no minimum requirements for a password.

Default-Settings