Settings client

This panel allows to configure advanced client parameters.

Figure 1. Tab "Settings client"

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.

Number Meaning
0 ITU-T
1 ISO
2 Joint-iso-itu-t

AE-qualifier

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

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 you set this parameter to -1 it 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 you set this parameter to -1 it 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.

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.

Default settings

Parameter Default setting for Client Default setting for Server
AP-title 1,1,999,1 1,1,999,1
AE-qualifier 12 12
PSEL 00000001 00000001
SSEL 0001 0001
TSEL 0001 0001
AP-invoke ID 1 1
AE-invoke ID 1 1