
4.4 External Dimensions
4.4.7 SGLFW-20
4-34
4.4.7
SGLFW-20
Moving Coils: SGLFW-20A
A
Note: The above dimensional drawing gives the dimensions for both models with polarity sensors (hall senors) and
models without polarity sensors (hall sensors).
Moving Coil Model SGLFW-
L1
L2
L3
Approx. Mass [kg]
20A090A
91
36
72
0.7
20A120A
127
72
108
0.9
Connector Specifications
Polarity Sensor (Hall Sensor) Output Signal
•
Servomotor Connector
The figure on the right shows
the relationship between the
Su, Sv, and Sw polarity sen-
sor (hall sensor) output sig-
nals and the inverse power
of each motor phase Vu, Vv,
and Vw when the Moving
Coil moves in the direction
indicated by the arrow in the
dimensional drawings of the
Moving Coil.
Plug: 350779-1
Pins: 350218-3 or 350547-3 (No.1 to 3)
350654-1 or 350669-1 (No. 4)
From Tyco Electronics Japan G.K.
Mating Connector
Cap: 350780-1
Socket: 350536-3 or 350550-3
•
Polarity Sensor (Hall Sensor) Connector
Pin connector: 17JE-23090-02 (D8C) -CG
From DDK Ltd.
Mating Connector
Socket connector: 17JE-13090-02 (D8C) A-CG
Studs: 17L-002C or 17L-002C1
Unit: mm
2
×
M4
×
8
(20)
(12.5)
(22.5)
30
36
SGLFW-20A090A
3
×
M4
×
8
(20)
(12.5)
(22.5)
30
36
72
SGLFW-20A120A
(Gap: 0.8 with magnet cover)
(Gap: 1 without magnet cover)
(10.2 with magnet cover)
(10 without magnet cover)
(4.2 with magnet cover)
(4 without magnet cover)
0.1
28
7.7
2
5.5
(22.5)
40
(17.5)
12.5
45
±
0.1
34
(32)
0.5
(6)
(44)
(22)
(22)
Refer to the
following figures
and
.
9.7 dia.
5
(2
0)
36
(25)
L1
L2
30
30
(12)
(7.5)
(10)
(12.5)
50 min.
Polarity sensor
(hall sensor)
Magnetic Way
12
500
±
50
500
±
50
7
30 min.
L3
(6.1 dia.)
(4.2 dia.)
2
×
#4-40 UNC
screws
The Moving Coil moves in
the direction indicated by
the arrow when current flows in
the following phase sequence: U, V, W.
(20)
22
Vu
Vv
Vw
Su
Sv
Sw
0
180
360
540
Electrical angle (°)
Inverse power (V)
1
2
3
4
1
Phase U
Red
2
Phase V
White
3
Phase W
Black
4
FG
Green
9
6
5
1
1
+5 V (thermal protector), +5 V (power supply)
2
Su
6
Not used
3
Sv
7
4
Sw
8
5
0 V (power supply)
9
Thermal protector