Applications
Pumping station
Empty the vessel with overflow protection
• If SP1 is exceeded, output 1 switches (submersible pump ON). When the
level is below rP1 again the output switches back (submersible pump OFF).
• If SP2 is exceeded or if there is a wire break, output 2 switches off.
43
ENGLISH
Switching output 1: control to empty vessel
upper value exceeded
→
submersible pump ON
lower value reached
→
submersible pump OFF
hysteresis function, normally open (
Hno
)
Switching output 2: overflow protection
maximum value exceeded
→
alarm
slightly below SP2 (to suppress wave movements)
hysteresis function, normally closed (
Hnc
)
L
SP2
rP2
1
0
OFS
OUT1
Hno
1
0
OUT2
Hnc
SP1
rP1
t
XX.X
empty
display value
overflow
protection