Fuji Electric FRENIC-Eco Series - Chapter 5: Multi-regulated pump control with 3 regulated pumps + 1 additional pump

Pump Control Quick Guide 35
Multi-regulated pump Control (Multi-Joker)
Necessary digital outputs Do we need the optional relay card
installed?
3 regulated pumps +
1 additional pump
(“On-Off control”)
7 YES
The schematic for a multi-regulated pump control with 3 regulated pumps + 1 additional pump by means
of the inverter is as follows:
Please, pay attention on 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
A1
A2
RV3
A1
A2
RA
U
V
W
KM1
KV1
REGULATED
PUMP 1
KM2
KV2
REGULATED
PUMP 2
A1
A2
KM1
A1
A2
KV1
KM3
KV3
REGULATED
PUMP 3
A1
A2
KM2
A1
A2
KV2
Y1C
Y1A
Y1B
Y2A
Y2C
Y2B
Y3A
Y3C
Y3B
OPTIONAL BOARD OPC-F1-RY
A1
A2
KM3
KV1
KM1
KV2
KM2
KV3
KM3
RA
KA
KA
ADDITIONAL
PUMP
A1
A2
KV3
RV3
MULTI-REGULATED PUMP
3 REGULATED PUMPS
+ 1 ADDITIONAL PUMP
ADDITIONAL PUMP DIAGRAM
220VAC
+
CMY
PLC
CM
11
C1
-
P
E
Pressure transducer
4-20 mA (Vcc 24V)
Figure 5.1: Schematic for multi-regulated pump control with 3 regulated pumps + 1 additional pump