Connecting With Mds-D/Dh Series - Mitsubishi Electric M700VS Series Setup Manual

2.1.1.1 Connecting with MDS-D/DH Series

Connect the NC and the drive units by the optical communication cables. The distance
between the NC and the final drive unit must be within 30m and the bending radius within
CAUTION
80mm.
Axis Nos. are determined by the rotary switch for setting the axis No. (Refer to the MDS-D/DH
POINT
Series Instruction Manual.) The axis No. has no relation to the order for connecting to the NC.
(1) When using one power supply unit
Connect the largest-capacity spindle drive unit to the final axis of the NC communication bus in order to control the
power supply unit. The spindle drive unit must be installed adjacent to the power supply unit. In the system with
servo only, a servo drive unit for controlling unbalance axis must be installed in the same manner in the same way.
<Connection>
CN1A: CN1B connector on NC or previous stage's drive unit
CN1B: CN1A connector on next stage's drive unit
CN4: Connector for communication between power supply unit (master side) and drive unit
Connected
to the NC
Optical
communication
cable
MDS-D/DH-V2 MDS-D/DH-V1
1st/2nd axis 3rd axis
The optical communication cables from the NC to the
final drive unit must be within 30m.
Connection when using one power supply unit
M700VS Series Setup Manual
2.1 Connecting and Setting the Drive Unit
MDS-D-SP2 MDS-D/DH-SP
4th/5th axis 6th axis
(Final axis)
CN4
MDS-D/DH-CV
CN4
7