How To Monitor Measured Values - ABB REU 610 Operator's Manual

1MRS755971
4.2.1.2.
Voltage Relay
Operator's Manual - ANSI Version
Stored event values from the protection functions
*
Registered number of pickups of protection functions
*
Continuously updated registers of actual values from protection
*
functions
OPERATION
*
Resetting of trip lockout
*
INFO
*
Information on the relay, such as device type and relay serial number
*

How to monitor measured values

You can monitor all measured values via MEASUREMENTS in the HMI menu.
In addition, the phase-to-phase voltages U
residual voltage U can also be monitored by activating the monitoring state.
n
To access the measured voltages U
sequence voltage) and U
menu:
1. Press an arrow button to access the main menu.
2. The cursor is at the first menu item, MEASUREMENTS. Press
measured value of the phase-to-phase voltageU
3. Use and to monitor the measured voltage values. The voltages are
shown as multiples of the rated voltage, VT. Press
corresponding primary voltage value for U
conversion factors are set to zero, dashes "- - -" are displayed instead.
4. Use the arrow buttons to monitor other measured values in the menu
DEMAND VALUES; see the figure below.
5. Press to return the display to the idle mode.
, U
ab bc
, U , U , U
ab bc ca
(negative phase-sequence voltage) via the HMI
2
ab
REU 610
and U , and the measured
ca
, U (positive phase-
n 1
to see the
.
ab
once more to see the
, U , U and U . If the
bc ca n
25