Pump Control Quick Guide
13
Mono-regulated pump control (Mono-joker)
Necessary digital outputs Do we need the optional relay card
installed?
1 inverter driven pump +
2 auxiliary pump
(ON / OFF)
2 NO
The schematic for a mono-regulated pump control with 1 regulated pump + 2 auxiliary pumps by means
of the
inverter is as follows:
Please, pay attention to the pressure transducer’s wiring, connected to the inverter’s analog input C1 (4 –
20 mA)
L1
L2
L3
Y1
Y2
Y3
Y5A
Y5C
30A
30B
30C
U
V
W
KM2
AUXILIARY
PUMP 2
REGULATED
PUMP
KM1
AUXILIARY
PUMP 1
MONO-REGULATED PUMP
1 REGULATED PUMP
+ 2 AUXILIARY PUMPS
A1
A2
KM1
A1
A2
KM2
220VAC
+
CMY
PLC
CM
11
C1
-
P
E
Pressure transducer
4-20 mA (Vcc 24V)
Figure 2.2: Schematic of a mono-regulated pump control with 1 regulated pump + 2 auxiliary pumps.
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