1. Press
and
simultaneously to view the primary phase-to-phase voltages
U
12
, U
23
and U
31
and the residual voltage U
0
.
2. Press
to return the display to the idle mode.
The display has to be in the idle mode to be able to activate the monitoring state.
The display is not returned to the idle mode automatically as the monitoring state
does not have a time out. In case a fault is detected, however, the fault indication
displaces the monitoring state.
+
- ABB -
U: 0.00 0.00 0.00
U0:
0.00
A051576
Fig. 4.2.1.2.-2
Activating the monitoring state
Before you can monitor the correct primary phase-to-phase voltages,
the parameters
M80
and
M83
must be correctly set via serial
communication.
4.2.1.3.
How to monitor recorded data
The contents of the event register and the information on number of starts and trips
are found under the main menu group
RECORDED DATA
.
1. Press an arrow button to access the main menu.
2. Use
or
to select
RECORDED DATA
in the main menu and press
to enter
the first event.
3. To navigate between the events, use
and
.
4. To enter a submenu, use
and to exit, use
.
5. To return the display to the idle mode, press
.
28
REU 610
REU 610
Voltage Protection Relay
Operator's Manual
1MRS755770
