10. Basic Wiring for Servo Drive Unit
10.2 Basic Wiring for MDS-D-SVJ3/SPJ3 Series
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10.2 Basic Wiring for MDS-D-SVJ3/SPJ3 Series
The basic wiring for the MDS-D-SVJ3/SPJ3 Series is shown below.
Mitsubishi
CNC
OPT1,2
CN1A
CN9
CN1B
U
V
W
CN2
PLG
Servo drive unit
Ground
CN3
: Main circuit
: Control circuit
CN1A
CN9
CN1B
U
V
W
CN2
Motor side
detector
Spindle drive unit
Ground
CN3
Machine side
detector
L1
L2
L3
L11
L21
Optical communication cable
Optical communication
cable
P
Regenerative
resistor unit
C
P
Regenerative
resistor unit
C
L1
L2
L3
L11
L21
Spindle
motor
Servo
motor
T
S
R
Breaker
Contactor
Breaker
CNP2
CNP1
CNP2
CNP3
CNP2
CNP1
CNP2
CNP3
Spindle side
detector
T
S
R
Breaker
Breaker
Contactor
(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.