Endress+Hauser Prosonic S FMU90 - Page 84

The "relays/controls" menu
84
However, if the level is already near to the switch-off point (distance < switch-on barrier), no
further pumps are swtiched on, even if the pump rate has not yet been achieved.
L00-FMU90xxx-19-00-00-yy-054
A: switch-on point; B: switch-off point; C: pump on; D: pump off; E: hook-up interval; F: switch-on barrier
G: pump rate
!
Note!
If both the alternating pump control and the pump rate contral are active, the pumps are alternately
used as first pump.
P1
P1+P2
P1 P2 P3
P1
P2 P3
0
t
t
t
min
min
L
A
B
C
D
E
E
F
G