Pump Control Quick Guide
14
Mono-regulated pump control (Mono-joker)
Necessary digital outputs Do we need the optional relay card
installed?
1 inverter driven pump +
3 auxiliary pump
(ON / OFF)
3 NO
The schematic for a mono-regulated pump control with 1 regulated pump + 3 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
KM3
AUXILIARY
PUMP 3
AUXILIARY
PUMP 2
REGULATED
PUMP
KM1
AUXILIARY
PUMP 1
MONO-REGULATED PUMP
1 REGULATED PUMP
+ 3 AUXILIARY PUMPS
RM3
A1
A2
A1
A2
KM1
A1
A2
KM2
RM3
220VAC
A1
A2
KM3
+
CMY
PLC
CM
11
C1
-
P
E
Pressure transducer
4-20 mA (Vcc 24V)
Figure 2.3: Schematic of a mono-regulated pump control with 1 regulated pump + 3 auxiliary pumps.