
3UG463. voltage monitoring relay
10.5 Diagnostics
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
279
10.5
Diagnostics
10.5.1
Indications on the display
Display information
The display is divided into three different areas.
①
Voltage measured value or fault symbol
②
Type of monitoring
③
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:
Display
area
Symbol
Meaning
①
20.0V Measured voltage is displayed
②
Monitoring for voltage overshoot
②
Monitoring for voltage undershoot
②
Range monitoring (monitoring for voltage overshoot and undershoot)
②
Voltage is in correct range
②
A voltage overshoot has occurred
②
A voltage 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 273)" (3UG4631 / 3UG4632) and "Functions (Page 276)" (3UG4633).