Connection Of The Spindle Motor - Mitsubishi Electric MDS-E Series Instruction Manual

MDS-E/EH Series Instruction Manual
2 Wiring and Connection

2.4.4 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
Single-phase
or
3-phase
power supply
BU BV BW
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.
Option cable: CNP2E-1
Max. 30m
Power cable
U V W
Spindle motor
Motor power terminal
block (U,V,W)
(Note) Either a single-phase or 3-phase power supply is used for the cooling fan.
Refer to the Spindle Motor Specifications for details.
MDS-E/EH-SP
Encoder connector : CN2L
CN2L
Pin
1
3
5
7
9
(Note) MDS-E-SP-80 or more and MDS-EH-SP-100 or
more are terminal connections.
LU LV LW
Grounding terminal
Example for 3-phase cooling fan
power supply
- -
75
Pin No.
No.9 No.1
No.10 No.2
Name Pin Name
P5(+5V) 2 LG
RQ 4 RQ*
MT1 6 MT2
SD 8 SD*
10
Cooling fan terminal
block (BU,BV,BW)
Encoder connector
IB-1501229-F