Siemens SIRIUS 3UG4 - Page 75

Function diagrams 3UG4501
Drainage control (OV
1)
), two-point closed-loop
control
In󹪞ow control (UN
2)
), two-point closed-loop con‐
trol
Max
Min
t = Delay 0.5 - 10 s
> 0,5 s + t
Reset
11/14
A1/A2
t t
11/12
t t
t = Delay 0.5 - 10 s
Max
Min
> 0,5 s + t
Reset
11/14
A1/A2
11/12
tt t t
1)
OV = overshoot
2)
UN = undershoot
Drainage control (OV
1)
), one-point closed-loop
control
In󹪞ow control (UN
2)
), one-point closed-loop con‐
trol
11/14
A1/A2
t t
11/12
t t
Max Min
t = Delay 0.5 - 10 s
> 0,5 s + t
Reset
11/14
A1/A2
t t
11/12
t t
Max Min
t = Delay 0.5 - 10 s
> 0,5 s + t
Reset
1)
OV = overshoot
2)
UN = undershoot
3UG4501 󹪝lling level monitoring relay
5.3 Functions
SIRIUS 3UG4 / 3RR2 monitoring relay
Equipment Manual, 07/2021, NEB927043002000/RS-AD/005 75