3UG4621/3UG4622 current monitoring relays
7.5 Diagnostics
3UG4 / 3RR2 monitoring relays
180 Manual, 05/2016, NEB927043002000/RS-AC/004
Indications on the display
Display information
The display is divided into three different areas.
Current measured value or fault symbol
Symbol of the changeover contact
Meaning of the information on the display
Note
Indications in the event of a fault
The symbols on the display flash to indicate an error.
The following statuses and faults are indicated on the display as a diagnostics message with
flashing symbols:
5.0A Displays the measured current
Monitoring for current overshoot
Monitoring for current undershoot
Range monitoring (monitoring for current overshoot and current undershoot)
Current is in correct range
A current overshoot has occurred
A current undershoot has occurred
• 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 175)."
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