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Functions
2.1 General
2.1
General
The settings associated with the various device functions can be modified using the operating or service inter-
face in DIGSI in conjunction with a personal computer. Some parameters can also be changed using the con-
trols on the front panel of the device. The procedure is described in detail in the SIPROTEC System Description
./1/
2.1.1
Functional Scope
The 7SK80 relay comprises protection functions and additional functions. The hardware and firmware are de-
signed for this scope of functions. Additionally, the control functions can be matched to the system require-
ments. Individual functions can be activated or deactivated during the configuration procedure or the interaction
of functions be modified.
2.1.1.1 Description
Setting the Functional Scope
The available protection and additional functions must be configured as Enabled or Disabled. Some func-
tions allow the user to select among several alternatives which are described further below.
Functions configured as Disabled are not processed by the 7SK80. There are no indications, and the corre-
sponding settings (functions, limit values) are not relevant during configuration.
Note
Available functions and default settings are depending on the ordering code of the relay (see A.1 for details).
2.1.1.2 Setting Notes
Setting the Functional Scope
Your protection device is configured using the DIGSI software. Connect your personal computer either to the
USB port on the device front or to port A or port B on the bottom side of the device depending on the device
version (ordering code). The operation via DIGSI is explained in the SIPROTEC 4 System Description.
The Device Configuration dialog box allows you to adjust your device to the specific system conditions.
Password no. 7 is required (for parameter set) for changing configuration parameters in the device. Without the
password the settings can only be read but not edited and transmitted to the device.
Special Features
Most settings are self-explanatory. The special cases are described in the following.
If you want to use the setting group change function, set address 103 Grp Chge OPTION to Enabled. In this
case, you can select up to four different groups of function parameters between which you can switch quickly
and conveniently during operation. Only one setting group can be used when selecting the option Disabled.
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SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A5, Release date 11.2012
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