Siemens SIRIUS 3UG4 - Page 126

Function diagrams (on reaching the lower measuring range limit of the measuring current
I > 3 mA / 50 mA)
Display Memory = no
Relay switching behavior = NC (closed-circuit prin‐
ciple)
I > 3 mA / 50 mA
Memory = no
Relay switching behavior = NO (open-circuit princi‐
ple)
I > 3 mA / 50 mA
I = off
>
I
>
11/14
11/12
onDel
I Del
Hyst
J > I
Hyst
J=0
A1-A2
onDel
I
11/14
11/12
onDel
I Del
Hyst
J > I
Hyst
J=0
A1-A2
onDel
I
I = off
>
I
>
11/14
11/12
onDel
I Del
Hyst
J=0
A1-A2
onDel
I
J <
I
11/14
11/12
onDel
I Del
Hyst
J=0
A1-A2
onDel
I
J <
I
I
>
I
>
Hyst
Hyst
11/14
11/12
J=0
onDel
onDel
A1-A2
I
J >
I
I
J <
I
I Del
I Del
I Del I Del
Hyst
Hyst
11/14
11/12
J=0
onDel
onDel
A1-A2
I
J >
I
I
J <
I
I Del
I Del
I Del I Del
J = Currently measured current value
I = set threshold value for the current
3UG4621/3UG4622 current monitoring relays
7.3 Functions
SIRIUS 3UG4 / 3RR2 monitoring relay
126 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005