Siemens 6MD85 Manual page 343

Siprotec 5 high-voltage bay controller

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Num. of specific sw.auth.:

With this parameter, you determine how many specific switching authorities are available. This deter-

mines the number of parameters Identifier switching authority as well as the controllable

Active. Sw. auth..

Identifier switching authority 1 to Identifier switching authority 5:

The number of names that appear corresponds to the number set in the previous parameter. You can

select the names as you wish, 1 to 64 characters are allowed. The command check verifies whether these

titles correspond with those sent by the command source. This applies to the switching commands as

well as to the activation of a specific switching authority. The requirement for this is the system interface

IEC 61850. The field Originator/orIdent is used.

Multiple specific sw.auth. ensures the simultaneous validity of the various command sources.

The following table shows how to determine the resulting specific switching authority when activating

the command sources of Remote or Station. If this parameter is activated, all parameterized command

sources get permissible automatically (see last row in the table) and they cannot be deactivated via the

controllable Enable sw. auth. 1 to Enable sw. auth. 5. Otherwise, the enabled command

source with the lowest number has always the highest priority and prevails against the other numbers.

The * symbol in the previous table refers to any value.

SIPROTEC 5, High-Voltage Bay Controller, Manual

C53000-G5040-C015-9, Edition 11.2017

Determining Switching Authority if Multiple Command Sources Are Available

Control Functions

6.3 Control Functionality

Switch. auth.