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Applications
Pumping station
OFS
Page 28
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Empty the vessel with overflow protection
Switching output (OU1): overflow protection
maximum value exceeded → alarm
slightly below SP1 (to suppress wave movements)
hysteresis function, normally closed (Hnc)
Analog output (OU2): control to empty vessel
I (4 ... 20mA) or U (0 ... 10V)
L
SP1
rP1
OUT1
1
Hnc
0
10V / 20mA
OUT2
U / I
0V / 4mA
If the level is below SP1, output 1 switches. If SP1 is exceeded or if
there is a wire break, output 1 switches off (
By the analog signal the maximum level can be controlled (submersible
pump ON / OFF).
overflow protection
→
alarm).
t
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