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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
CURRENT METERS
to view
Primary Current
Ia
Ib
Ic
Secondary Current
Ia
Ib
Ic
Nominal Currents
Ia
Ib
Ic
Earth Current
Prim.
Sec.
Nom.
Last Trip Current
Ia
Ib
Ic
Last Trip Current
Ig
©2013 Siemens Protection Devices Limited
Chapter 2) 7SR23 DAD Settings, Configuration & Instruments Guide
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.
This is the sub-group that includes all the meters that are
associated with Current TEST/RESET
this sub-group
Displays primary 3 Phase differential currents. RMS values.
0.00A
0.00A
0.00A
Displays secondary 3 Phase differential currents. RMS
0.00A
values.
0.00A
0.00A
Displays 3 Phase differential currents. RMS values based on
0.000xIn
the selected 1A or 5A rating.
0.000xIn
0.000xIn
Displays primary, secondary and nominal values of earth
0.000A
fault current. RMS values.
0.000A
0.000xIn
Displays primary values of current measured at most recent
0.00A
relay trip operation. RMS values.
0.00A
0.00A
Displays primary values of current measured at most recent
0.00A
relay trip operation. RMS values.
and TEST/REST buttons.
Chapter 2 Page 8 of 18
button and
allows access to
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