Using Multiple Power Supply Units - Mitsubishi MELDAS MDS-C1 Instruction Manual

2-5-3 Using multiple power supply units

In a system configured of multiple spindle drive units, etc., there may be cases when the drive capacity
is large and the units cannot be driven with one power supply unit. Split the drive configuration so that
the units can be driven with one power supply unit.
Refer to section "11-7 Selecting the power supply unit" for details on making a selection.
AC reactor
No-fuse
breaker
R
S
T
Ground
Breaker
AC reactor
No-fuse
breaker
R
S
T
Ground
Breaker
Main circuit connection
CAUTION
2. Wiring and Connection
MDS-C1-CV
CN4
Magnetic
contactor
TE1
L1
L2
L3
TE2
L+
L-
TE3
MC1
MC
L11
L21
Ground
MDS-C1-CV
CN4
Magnetic
contactor
TE1
L1
L2
L3
TE2
L+
L-
TE3
MC1
MC
L11
L21
Ground
1. An AC reactor and breaker must be installed for each power supply unit.
The connection of the communication cable to the NC does not change.
(Refer to section "2-3 NC and drive unit connection")
2. When distributing and installing the units, always arrange the power supply
unit and spindle drive as a set. Keep the total length of the TE2 wire as short
as possible (50cm or less).
MDS-C1-SP
CN4
CN1B CN1A
TE2
L+
L-
TE3
L11
L21
Ground
MDS-C1-SP
CN4
CN1A CN1B
TE2
L+
L-
TE3
L11
L21
Ground
2 - 34
MDS-C1-V1/V2
CN1B CN1A
To NC
TE2
L+
L-
TE3
L11
L21
Ground
MDS-C1-V1/V2
CN1A CN1B
TE2
L+
L-
TE3
L11
L21
Ground