User Manual

3UG4621/3UG4622 current monitoring relays
7.5 Diagnostics
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
161
The following statuses and faults are indicated on the display as a diagnostics message with
flashing symbols:
Display
areas
Symbol Meaning
①
5.0A Displays the measured current
②
Monitoring for current overshoot
②
Monitoring for current undershoot
②
Range monitoring (monitoring for current overshoot and current undershoot)
②
Current is in correct range
②
A current overshoot has occurred
②
A current undershoot has occurred
③
• Not flashing: Relay contact 11/12 open, relay contact 11/14 closed
• Flashing: Delay time (ON-delay or tripping delay) running
• Masked out: Relay contact 11/12 closed, relay contact 11/14 open
You will find more information about the switching behavior of the output relay in Chapter
"Functions (Page 155)."
7.5.2 Reset
RESET
How the outputs are reset depends on the "Reset response" parameter (see Chapter "Reset
response (Page 351)").
The following settings can be selected:
● Automatic
reset (Memory = O / Mem = no)
The device is reset automatically as soon as a previously occurring error has been dealt
with.
● Manual RESET (Memory = I / Mem = yes)
To reset the devices with digital setting, it is necessary to press both arrow keys
simultaneously for more than 2.5 s after removal of the cause of error. If the cause of the
error has not been removed, a new error message appears immediately. Alternatively,
the devices can be reset by switching the rated control supply voltage on and off.