Emotron FDU48-210 User Manual

46 Main Features Emotron AB 01-3694-01r2
7.6.7 Wiring Alternating Master
Fig. 50 and Fig. 51 show the relay functions MasterPump1-
6 and SlavePump1-6. The Master and Additional contactors
also interlock with each other to prevent dual powering of
the pump and damage to the inverter. (K1M/K1S, K2M/
K2S, K3M/K3S). Before running, the FDU will select a
pump to be Master, depending on the pump run times.
Fig. 50 Power connections for Alternating MASTER circuit
with 3 pumps
Fig. 51 Control connections for Alternating MASTER circuit
with 3 pumps
CAUTION: The wiring for the Alternating
Master control needs special attention and
should be wired exactly as described here,
to avoid destructive short circuiting at the output of the
inverter.
!
P1
3~
P2
3~
P3
3~
PE L1 L2 L3
UVW
FDU
PE
L1
L2
L3
K1S
K1M
K2M
K2S
K3S
K3M
(NG_50-PC-10_1)
K1S
B2:R1
Slave
Pump1
K1M
B1:R1
Master
Pump1
~
N
(NG_50-PC-11_3)
K2M
B1:R2
Master
Pump2
K2S
B2:R2
Slave
Pump2
K3M
B1:R3
Master
Pump3
K3S
B2:R3
Slave
Pump3
K1S
K1M
K2M
K2S
K3MK3S

Emotron FDU48-210 Specifications

General

Brand	Emotron
Model	FDU48-210
Category	Servo Drives
Language	English