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MDS-D2/DH2 Series Instruction Manual
2.5 Motor and Encoder Connection
2.5.4 Connection of the Spindle Motor
Refer to each motor specifications for details on the motor side connection destination, specifications and outline, and for
the spindle PLG encoder specifications.
(1) Connecting the motor built-in PLG
CAUTION
For a 3-phase cooling fan, when the phase sequence of the 3-phase power supply is connected reversely, its cooling
capacity degrades due to the reversed rotation direction. Make sure the air blowoff direction.
When the fan rotates reversely, reconnect BU and BW reversely, and then check the blowoff direction.
U V W
CN2L
BU BW BV
U V W
MDS-D2/DH2-SP
LG
RQ*
MT2
SD*
2
4
6
8
10
P5(+5V)
RQ
MT1
SD
1
3
5
7
9
NamePinNamePin
Max. 30m
Spindle motor
Power cable
Option cable: CNP2E-1
Example for 3-phase cooling fan
power supply
(Note) Either a single-phase or 3-phase power supply is used for the cooling fan.
Refer to the Spindle Motor Specifications for details.
Pin No.
Encoder connector : CN2L
No.9 No.1
No.10 No.2
(Note) MDS-D2-SP-80 or more and MDS-DH2-SP-100 or
more are terminal connections.
Single-phase
or
3-phase
power supply
--
Cooling fan terminal
block (BU,BV,BW)
Grounding terminal
Motor power terminal
block (U,V,W)
Encoder connector