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Functions
2.1 General
2.1
General
The settings associated with the various device functions may be modified by using the operator interface in
DIGSI. Some parameters may also be changed using the Web Monitor. The procedure is set out in the SIPRO-
TEC System Description /1/.
2.1.1
Functions Overview
The 7SC80 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 Scope of Functions
The available protection functions and additional functions can be configured as Enabled or Disabled. For
some functions, there is a choice between several alternatives possible, as described below.
Functions configured as Disabled are not processed in the 7SC80. There are no messages issued and the
corresponding settings (functions, limit values) are not queried during configuration.
Note
Available functions and default settings depend on the ordered variant 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 interface on the device front or to port F or on the side of the device, depending on the device version
(order variant). Operation using 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.
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SIPROTEC, 7SC80, Manual
E50417-G1140-C486-A1, Release date 12.2011
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