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2. Wiring and Connection
2 - 36
(3) When using one power supply shared by two NC communication bus systems
The axis connected to the power supply unit's CN4 connector becomes the power supply unit
control axis.
MC1
T
S
R
Contactor
No-fuse
breake
r
Ground
CN4
L1
L2
L3
L11
TE3
TE1
CN9
L+
L-
MDS-C1-SPMDS-C1-CV
CN4
TE3
TE2
L+
L-
L11
L21
TE2
AC
reactor
Ground
Ground
L21
MDS-C1-V1/V2
TE3
TE2
L+
L-
L11
L21
Ground
MC
Breaker
CN4
MDS-C1-V1/V2
TE3
TE2
L+
L-
L11
L21
Ground
MDS-C1-V1/V2
TE3
TE2
L+
L-
L11
L21
Ground
CAUTION
1. If the two NC communication bus systems include a spindle drive unit,
connect the power supply unit's CN4 connector to the CN4 connector of the
largest-capacity spindle drive unit. If there is no spindle drive unit, connect to
the unbalance-axis servo drive unit.
2. Install the spindle drive unit adjacent to the power supply unit, and
connections for other drive units should be such that the total TE2 wiring
length is 50cm or less.