Siemens 3UG4 - Page 93

3UG4501 filling level monitoring relay
5.3 Functions
3UG4 / 3RR2 monitoring relays
Manual, 05/2016, NEB927043002000/RS-AC/004
93
Function diagrams 3UG4501
Drainage control (OV
1)
), two-point closed-loop
control
Inflow control (UN
2)
), two-point closed-loop
control
1)
OV = overshoot
2)
UN = undershoot
Drainage control (OV
1)
), one-point closed-loop
control
Inflow control (UN
2)
), one-point closed-loop
control
1)
OV = overshoot
2)
UN = undershoot