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16.2 Pumping station
Empty the tank / overflow prevention with 3 switching outputs.
Replaces 3 float switches.
Configuration of the switching outputs 1...3
SP1
maximum value exceeded
→ alarm
ou1
hysteresis function, normally closed (Hnc)
SP2
upper value exceeded
→
submersible pump ON
ou2
hysteresis function, normally open (Hno)
SP3
below the lower value
→ submersible pump OFF
ou3
hysteresis function, normally closed (Hnc)
rP1...3 each slightly below SPx to suppress wave movements
L
SP1
1
0
OUT1
Hnc
1
0
OUT2
Hno
SP2
SP3
t
1
0
OUT3
Hnc
OFS
XX.X
A
B
• If the level is below SP1, the output is switched. If the level is above SP1 or if
there is a wire break, output 1 switches OFF (alarm message "overflow / wire
break“).
• If the level exceeds SP2, output 2 switches (upper value exceeded;
submersible pump ON).
• If the level is below SP3, output 3 switches (lower value reached; submersible
pump OFF).
