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MDS-D/DH Series Specifications Manual
2-4 Drive unit
2 - 67
(c) Explanation of each 1-axis spindle drive unit part
The connector and terminal block layout may differ according to the unit being used. Refer to each unit
outline drawing for details.
<Each part name>
<Screw size>
Name Description
(1)
Con-
trol cir-
cuit
LED --- Unit status indication LED
(2) SWL --- Axis No. setting switch
(3) SW1 --- Unused axis setting switch
(4) CN1A --- NC or master axis optical communication connector
(5) CN1B --- Slave axis optical communication connector
(6) BTA,BTB --- (Unused)
(7) BT1 --- (Unused)
(8) CN9 --- Maintenance connector (usually not used)
(9) CN4 --- Power supply communication connector
(10) CN2L --- Built-in PLG detector connection connector
(11) CN3L --- Machine side detector connection connector
(12)
Main
circuit
TE2
L+
L-
Converter voltage input terminal (DC input)
(13) TE3
L11
L21
Control power input terminal (single-phase AC input)
(14)
TE1
U, V, W,
Motor power supply output connector (3-phase AC output),
Motor grounding terminal (for 90mm width or less)
(15) U, V, W
Motor power supply output terminal (3-phase AC output)
(for 120mm width or more)
(16) PE
Grounding terminal, Motor grounding terminal
Note that TE1 connector (above "(14)") is used for the motor grounding of the 90mm
width or less unit.
Spindle drive unit MDS-DH-SP-
Type 20, 40 80 100 160 200, 320 480
Unit width (mm) 60 90 120 150 240 300
(12) TE2 M6×16
(13)TE3 M4×12 M4×8
(15)TE1 - M5×12 M8×15
(16)
M4×12 M5×12 M8×16
MDS-DH-SP
90mm width or less
Bottom view of
left diagram
MDS-DH-SP
120mm width or more
(2)
(3)
(4)
(5)
(1)
(9)
(12)
(14)
(15)
(8)
(10)
(11)
(13)
(6)
(7)
(16)
(16)