GE Industrial Solutions TVRMS2 Digital Test Kit - Manual (Page 26)

TVRMS2 Digital Test Kit
Chapter 5. MicroVersaTrip Plus™ and MicroVersaTrip
™ PM Trip Units
20
The message will stop flashing when Ground Fault
protection is re-enabled.
NOTE: Quand le Test Kit TVRMS2 est utilisé pour
annuler la protection défault terre sur les déclencheurs
MicroVersaTrip® Plus ou MicroVersaTrip PM, le
message suivant dignote sur le display:
CAUTION...Exit BEFORE changing settings
!
Le message s’arrête de dignoter quand la protection
défault terre est rétablie.
Trip Unit Pickup and Trip Monitor
When the Test Kit is in monitor mode, it displays the
message:
... ..... ..... ..... ...
Press F1 to exit when test is complete
|– EXIT –|
Monitor mode display.
While this message is displayed, the Test Kit is constantly
monitoring the status of the Trip Unit. Press any key at any
time in this procedure to return to the main test-selection
menu.
When the Trip Unit signals that it has entered pickup, the
Test Kit displays a message indicating the type(s) of
pickup, as in the illustration:
... ..... ..... ..... .....
TU IN PICKUP: LT
|– EXIT –|
Sample Trip Unit pickup message.
The Test Kit continues to display the pickup message until
the Trip Unit signals that it is no longer in pickup.
If the Trip Unit initiates a trip, the Test Kit displays a
message showing the type of trip and the time to trip, as in
the example:
... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .. .... ..... ..... .....
LONG TIME: TIME = 575.75s
|– MORE –|
Sample display for Long Time trip.
Press
MORE
( F1 ) to return the Test Kit to monitor mode.
5–6 Trip Unit Quick Test
The Trip Unit quick test is a one-step test to verify that the
Trip Unit can trip the breaker. Since this test actually
causes the breaker to trip, suitable precautions should be
made before this test is performed.
Selecting
QUICK
( F3 ) from the main test selection menu
starts the TRIP TEST LED flashing and displays the
message:
... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .. .... ..... ..... ..... ..
Press F1 to trip breaker
|– TRIP –| |– EXIT –|
Breaker trip query.
Press
EXIT
( F4 ) to return to the main test selection menu
or
TRIP
( F1 ) to send a trip command to the Trip Unit.
When the trip command is issued, the Test Kit displays the
message:
... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... ..... .. .... ..... ..... ..... ....
Breaker should now be tripped
|– EXIT –|
Breaker tripped display.
Press
EXIT
( F1 ) to return to the breaker trip query.
If the Trip Unit fails to trip the breaker in this test, remove
the breaker from service and refer the Trip Unit to an
authorized GE service representative.