Settings Display; Instruments Mode - Siemens 7SR242 Duobias Technical Manual

1.3

Settings Display

The Settings Mode is reached by pressing the READ DOWN
Once the Settings Mode title screen has been located pressing the READ DOWN
the Settings mode sub-menus.
Each sub-menu contains the programmable settings of the relay in separate logical groups. The sub menus are
accessed by pressing the TEST/RESET
last setting in each sub menu is reached the next sub menu will be displayed. If a particular sub menu is not
required to be viewed then pressing
While a setting is being displayed on the screen the ENTER button can be pressed to edit the setting value. If the
relay is setting password protected the user will be asked to enter the password. If an incorrect password is
entered editing will not be permitted. All screens can be viewed even if the password is not known.
While a setting is being edited flashing characters indicate the edit field. Pressing the
display the valid field values. If these buttons are held on, the rate of scrolling will increase.
Once editing is complete pressing the ENTER button stores the new setting into the non-volatile memory. The
setting change is effective immediately unless any protection element is operating, in which case the change
becomes effective when no elements are operating.
Configuration and inspection of communications protocol data objects, text used for display in international
languages, graphical user logic and programming of user specific custom protection characteristics is not
possible from the fascia and pc based tools must be used if required.
The actual setting ranges and default values for each relay model can be found in the appendix to this section of
the manual.
1.4

Instruments Mode

The Instrument Mode sub-menu displays key quantities and information to aid with commissioning. The following
meters are available and are navigated around by using the
Instrument
FAVOURITE METERS
to view
©2015 Siemens Protection Devices Limited
Chapter 2) 7SR242 Duobias Settings, Configuration & Instruments Guide
button from the relay identifier screen.
button. Pressing the
will move directly to the next one in the list.
Description
This allows the user to view his previously constructed list of
'favourite meters' by pressing TEST/RESET
the READ DOWN button to scroll though the meters added
to this sub-group
To construct a sub-group of favourite meters, first go to the
desired meter then press ENTER this will cause a message
to appear on the LCD 'Add To Favourites YES pressing
ENTER again will add this to the FAVOURITE METERS
Sub-menu. To remove a meter from the FAVOURITE
METERS sub-menu go to that meter each in the
FAVOURITE METERS sub-menu or at its Primary location
press ENTER and the message 'Remove From Favourites'
will appear press ENTER again and this meter will be
removed from the FAVOURITE METERS sub-group.
The relay will poll through, displaying each of the meters
selected in favourite meters, after no key presses have been
detected for a user settable period of time. The time is set in
the Setting menu>System Config>Favourite Meters Timer.
button takes the user into
button will scroll through the settings, after the
and TEST/REST buttons.
Chapter 2 Page 8 of 22
or buttons will
button and