Siemens SIRIUS 3UG4 - Diagnostics; Indications on the Display

Parameter information
The table below shows the settable parameter information of the 3UG4614 line monitoring
relays:
Table 6-3 Parmeter information, 3UG4614 line monitoring relays with digital setting
Menu
level
Parameters Setting range Increment Factory setting
Minimum value Maximum val‐
ue
"RUN" Threshold for undershoot (U▼) 160 V 690 V 1 V 375 V
"RUN" Threshold for voltage asymme‐
try (Asy)
5 % or OFF 20 % 1 % 5 %
"SET" Hysteresis (Hyst) 1 V 20 V 1 V 5 V
"SET" Stabilization delay (onDel) 0.1 s 20 s 0.1 s 0.1 s
"SET" Tripping delay time (Del) (on un‐
dervoltage or overshoot of the
asymmetry value)
0.1 s 20 s 0.1 s 0.1 s
"SET" Reset response (Mem) no = Autoreset yes = HandRESET -- no = Autoreset
"SET" Phase sequence monitoring
( )
no yes -- yes
"SET" Relay switching behavior
(closed-circuit principle NC /
open-circuit principle NO)
NC NO -- NC
The parameters are described in Chapter "Parameters (Page 281)."
Menu-based operation is described in Chapter "Menu-based operation (Page 44)."
6.5.4 Diagnostics
6.5.4.1 Indications on the display
Display information
The display is divided into three di󹪜erent areas.
23
1
① Voltage measured value or fault symbol
② Type of monitoring
③ Symbols of the changeover contacts
3UG4.1 line monitoring relay
6.5 3UG4614 line monitoring relay
SIRIUS 3UG4 / 3RR2 monitoring relay
100 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005