Operation - Siemens SIRIUS 3UG4 Equipment Manual

11.4

Operation

Parameters
Parameterization of the devices is possible locally using the display and the three keys.
Parameter information
The table below shows the settable parameter information of the 3UG4641 cos phi and active
current monitoring relays:
Table 11-2 Parameter information, 3UG4641 cos phi and active current monitoring relay with digital setting
Menu Parameters
level
"RUN" Threshold for undershoot (I
"RUN" Threshold for overshoot (I
"RUN" Threshold for undershoot (φ▼)
"RUN" Threshold for overshoot (φ▲)
"SET" Hysteresis (Hyst)
"SET" ON-delay time (onDel)
"SET" Tripping delay time (Del)
"SET" Reset response (Mem)
"SET" Relay switching behavior
(closed-circuit principle NC /
open-circuit principle NO)
Note
The monitoring mode "Overshoot" or "Undershoot" is defined with the setting OFF at the
threshold for undershoot or overshoot.
The parameters are described in Chapter "Parameters (Page 281)."
Menu-based operation is described in Chapter "Menu-based operation (Page 44)."
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005
Setting range
Minimum value Maximum value
▼) 0.2 A or OFF
res
▲) 0.2 A
res
0.1 or OFF
0,1
0.1 A
0 s
0.1 s
no = Autoreset
NC or NO
3UG4641 cos phi and active current monitoring relay
Increment
10 A 0.1 A
10 A or OFF 0.1 A
0,99 0,01
0.99 or OFF 0,01
2 A 0.1 mA
99 s 1 s
20 s 0.1 s
yes = Hand‑RESET --
--
11.4 Operation
Factory setting
1 A
3 A
0,2
0,5
0.5 A
Deactivated
(0 s)
0.1 s
no = Autoreset
NC
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