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10. Basic Wiring for Servo Drive Unit
10.1 Basic Wiring for MDS-D/DH Series
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10. Basic Wiring for Servo Drive Unit
10.1 Basic Wiring for MDS-D/DH Series
The basic wiring for the MDS-D/DH Series is shown below.
MC2
Mitsubishi CNC
OPT1,2
External emergency
stop input
T
S
R
Contactor
No-fuse
breaker
Ground
: Main circuit
: Control circuit
CN1A
CN23A
CN4
CN9
L1
L2
L3
L11
TE3
TE1
CN9
CN1B
L+
L-
U
V
W
CN2
TE1
PLG
Spindle drive unit
Power supply unit
Spindle
motor
CN4
TE3
TE2
L+
L-
L11
L21
TE2
AC
reactor
Ground
Ground
L21
CN3
CN1A
CN4
CN9
CN20
CN1B
MU
MV
MW
CN2L
CN2M
LU
LV
LW
TE1
Motor side
detector
Motor side
detector
Servo drive unit
Servo
motor
Servo
motor
Machine side
detector
Machine side
detector
TE3
TE2
L+
L-
L11
L21
Ground
CN3L
CN3M
Breaker
Optical communication cable
Optical communication cable
MC1
CN23B
SH21
cable
EMG1
EMG2
24VDC
MC
(Note 1)
The total length of the optical communication cable from the NC must be within 30m and the
minimum-bending radius within 80mm.
(Note 2)
The connection method will differ according to the used motor.
(Note 3)
Battery for the detector back up is built-in the drive unit. (An external battery is available as an
option.)
(Note 4)
The main circuit (
) and control circuit (
{
) are safely separated.