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2 Wiring and Connection
MITSUBISHI CNC
2 - 18
2-3 NC and drive unit connection
Connect the optical communication cables from the NC to the each drive unit so that they run in a straight
line from the NC to the drive unit that is a final axis. And up to 16 axes can be connected per system.
Note that the number of connected axes is limited by the NC.
< Connection >
CN1A : CN1B connector on NC or previous stage's drive unit
CN1B : CN1A connector on next stage's drive unit
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 80mm.
Axis Nos. are determined by the rotary switch for setting the axis No. (Refer to section "3-1-1 Setting
the rotary switch".) The axis No. has no relation to the order for connecting to the NC.
CAUTION
POINT
Refer to the
instruction manual
of each NC for
details.
The optical communication cables from the NC to the
final drive unit must be within 30m.
Optical
communication
cable
Connected
to the NC
MDS-D-SVJ3
1st axis
MDS-D-SVJ3
2nd axis
MDS-D-SPJ3
4th axis
MDS-D-SVJ3
3rd axis