Siemens SIRIUS 3UG4 - Operation

5.4 Operation
Parameters
The following parameters can be set on the relevant rotary button using a screwdriver:
Table 5-2 Parameter information, 3UG4501 󹪝lling level monitoring relay
Parameters Operating ele‐
ments
2)
Setting range Increment
Minimum value Maximum value
Monitoring mode
1)
:
drainage control (OV) or in󹪞ow con‐
trol (UN)
3 -- -- --
Sensor sensitivity (R sens) 4 2 kΩ 200 kΩ Continuous
Tripping delay time (Delay) 5 0.5 s 10 s Continuous
1)
By operating the rotary button, it is possible to choose between drainage control (OV) and
in󹪞ow control (UN) depending on the application (one-point control or two-point control).
2)
The position digits refer to the front view in Chapter "Operator controls and connection
terminals (Page 72)."
Chapter "Circuit diagrams (Page 78)" shows the wiring examples for the di󹪜erent monitoring
modes.
The parameters are de󹪝ned in Chapter "Parameters (Page 281)."
Required tools
The same screwdriver can be used to set the parameters as for mounting the 󹪝lling level
monitoring relays.
3UG4501 󹪝lling level monitoring relay
5.4 Operation
SIRIUS 3UG4 / 3RR2 monitoring relay
76 Equipment Manual, 07/2021, NEB927043002000/RS-AD/005