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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
controls on the front panel of the device. The procedure is described in detail in the SIPROTEC System Descrip-
tion
/1/ SIPROTEC 4 System
2.1.1
Functional Scope
The 7RW80 relay contains protection functions as well as auxiliary functions. The hardware and firmware is
designed for this scope of functions. Additionally, the control functions can be matched to the system require-
ments. Individual functions can be enabled or disabled during the configuration procedure. The interaction of
functions may also be modified.
Functional Description
2.1.1.1
Setting the Functional Scope
The available protection and additional functions can be configured as Enabled or Disabled. For individual
functions, a choice between several alternatives may be possible, as described below.
Functions configured as Disabled are not processed by the 7RW80. There are no messages and corre-
sponding settings (functions, limit values) queried during configuration.
NOTE
i
i
Available functions and default settings are depending on the order variant of the relay (see
Information and
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.
The synchronization function is activated in address 161 25 Function 1 by the setting SYNCHROCHECK or it
is set to Disabled.
Under address 182 74 Trip Ct Supv it can be selected whether the trip-circuit supervision works with two
(2 Binary Inputs) or only one binary input (1 Binary Input), or whether the function is configured
Disabled.
In address 617 ServiProt (CM) you can specify for which purpose port B is used. T103 means that the
device is connected to a control and protection facility via serial port, DIGSI means that you are using the port
to connect DIGSI or you are not using port B (Disabled).
The flexible protection functions can be configured via parameter FLEXIBLE FUNC.. You can create up to 20
flexible functions by setting a checkmark in front of the desired function. If the checkmark of a function is
24
Description.
Accessories).
A Ordering
SIPROTEC 4, 7RW80, Manual
C53000-G1140-C233-4, Edition 07.2018
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