Nidec Unidrive M600 Series - Page 48

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48 Unidrive M Regen Design Guide
Issue Number: 4
4.3.4 Multiple Regen, multiple motoring using Unidrive M Rectifier to support up to 8 % THD
v
Figure 4-7 Power connections: Multiple Regen, multiple motoring system
UVW
L1 L2 L3 PE
-DC +DC
-DC
+DC
21
1
2 3 4 5 6 7 8 9 10 11 41 42
22 23 24 25 26 27 28 29 30 31
K2
EMC
F1 F2 F3
Tc.1
L1
L2
L3
AC Supply
Connections
Motoring
drive DC
Connections
+24 output
Enable motor drive
Contactor closed
0common
Drive enable
Rly.1
optional
S1
Unidrive M
Rectifier
L1
60
+DC
-DC
F16
F15
Regen inductor
thermistor
0V common
V
V
K2
AC Supply
Connections not used
Aux.3
L2
L3
K3
L2
F14
F13
S6
Drive
Reset input
UVW
L1 L2 L3 PE
-DC +DC
21
1
2 3 4 5 6 7 8 9 10 11 41 42
22 23 24 25 26 27 28 29 30 31
AC Supply
Connections
Motoring
drive DC
Connections
F18
F17
K4
AC Supply
Connections not used
L3
T.24
T.30
+10V user output
F5
F4
F6
F8
F7
F9
4a 4b
Control cable
to regen master
Control cable
to additional
regen follower
K3
Aux.4b
Aux.2b
Vsupply
4a 4b Aux
2a 2b
Aux
L1
K1
L1 L2 L3
VDR1
VDR2
VDR3
VDR4
VDR5
VDR6
Contactor
control
Vsupply
K4
OK
61 64 65
Unidrive M Modular
Regen drive 1 master
Unidrive M Modular
Regen drive 2 follower
K1
Vcc
0V
Vsupply
TPR1
F26 F27 F28
CBA 1 CBA 1
F29 F30 F31
CBA 2 CBA 2