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For wire assembly, we use readily available connectors with
tinned terminals. The standard length of wires is less than
300mm, and any other lengths desired will require further cost
consideration.
The range of front plates listed on the standard dimension page
gives standard parts, and if any products outside this range are
required, the cost of the die will be charged.
Gear specifications follow the selection of gears mentioned on the standard
dimension page, and standard parts have an outer diameter of less than 10,
are less than 10mm in length, and of module 0.3 or more. If these sizes are
exceeded, there will be some impact on cost.
As this will mean a change in the type of connector, direction of
connection etc. and in the PCB to which the connector is
attached, it is also necessary to manufacture a new PCB. Thus,
initial costs will also be incurred for the print, for processing,
and for the die. This will not be the case if using connectors or
mounting methods recommended by Minebea.
Minebea Electronics Co., Ltd. 2001-2002
http://www.minebea-ele.com
Page 10 / 15
Small Precision Motors
Selection of PM Motor
Description of Standard Dimensions (1)
Lead wires: in the case of AWG28, lead wires conform to UL1061; in the case of AWG26, they conform to
UL1007 and UL1430.
Apart from discrete wire input connection, we also offer input connection by FPC.
Please refer to the diagram for a standard front plate.
Where the gear is attached to the shaft by press fitting, the length of shaft should be selected such that
the end of the shaft extends more than 0.5mm beyond the end face of the gear. This reduces problems
with press fitting.
C1
a t
l1 L l2
P
+0
a
d2 C1 C2 C3 W1 MIN t W(AWG)
SERIES D L MAX -0.01
d1
PM10S-020 10 10.2 1.5 6 1.2 - - - - 0.5 FPC
PM15S-020 15 12 1.5 6 0.5 - - - - 0.8 FPC
11.9
PM20S-020 20 15.5 1.5 6 1.5 8.4 4.5 50 0.8 28
8.4
PM20L-020 20 19.6 1.5 6 1.5 11.9 4.5 50 0.8 28
PM25S-024,048 25 12.5 2 7 1.5 11.9 8.4 4.5 50 0.8 28
PM25L-024 25 17 2 7 1.5 11.9 8.4 4.5 50 0.8 28
PM35S-024,048 35 15.5 2/3 10 1.5 12.7 15.8 5.5 50 0.8 28
PM35L-024,048 35 22.2 2/3 10 1.5 12.7 15.8 5.5 50 0.8 28
PM42S-048,096,100 42 15.5 3 10 1.5 12.7 15.8 5.5 50 0.8 28
PM42M-048 42 20 3 10 1.0 17.4 13 5.5 50 0.8 28
PM42L-048 42 22.2 3 10 1.5 12.7 15.8 5.5 50 0.8 28
PM55L-048,096,100 55 25.7 4/6.345 11.13 2.3 12.7 15.8 5.5 50 1.6 28
Minebea Electronics Co., Ltd. 2001-2002
http://www.minebea-ele.com
Page 11 / 15
D
d1
d2
1
W
3
C
C
2
Small Precision Motors
Selection of PM Motor
Description of Standard Dimensions (2)
SERIES Front Plate Type P0.2 H T R A Applicable Screw
30 45 60 75 90 105 120 135 150
PM10S PM10S Type 15 - - - - -
*
PM15S PM15S Type 20 - - - - -
* * *
M2
28
* * *
FPH/FPT
PM20S,20L 2.3 M2 18 3 31
* * * * * *
25
FPL
* * * * * * *
FPH/FPT
* * * * * * * * *
PM25S,25L 32 3 M2.6 3.3 38.6 M2.6
FPL
* * * * * * *
FPH/FPT
* * * * * * * * *
PM35S,35L 42 3.2 15 3.5 49
FPL
FPH/FPT
* * * * * * * * *
PM42S,42L 57
49.5 3.75
FPL
* * * * * * *
M3 M3
3.5
PM42M FPH/FPT - -
* * * * * * * * *
65
FPH/FPT
* * * * * * * * *
PM55L
15 5 75
66.7 4.3
FPL 65 3.5
* * * * * * *
The front plate of PM standard type is prepared 3 types as standard type, a FPH is circle hole type of a installing hole, a FPT is tap (female screw)
type, a FPL is long hole type. Except for the PM 55 series, all FPT of tap type gave burring (Burring direction is a main body of the motor side) .
Please refer to the following table so that a standard collecting of installing hole type and installing angle is different by the series.
Please note when you hope the other form and installing angle, the initial cost of the die is generated besides.
2- 2.3
200.2 150.2
23
19.3
PM15S PM10S
P P P
FPH FPT FPL
l 1 (Standard Shaft Length)
SERIES l2 MAX
5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 11 12 13 14 15 16 18 20 22 24
PM10S-020 1.0
* * * * * *
PM15S-020 1.0
* * * * * * * * * * *
PM20S-020 1.0
* * * * * * * * * * *
PM20L-020 1.0
* * * * * * * * * * *
PM25S-024,048 1.0
* * * * * * * *
PM25L-024 1.0
* * * * * * * * * * * * *
PM35S-024,048 1.0
* * * * * * * * * * *
PM35L-024,048 1.0
* * * * * * * * * * *
PM42S-048,096,100 1.0
* * * * * * * * * * * * *
PM42M-048 1.5
* * * * * * * * * * * * *
PM42L-048 1.0
* * * * * * * * * * * * *
PM55L-048,096,100 1.0
* * * * * * * * * * *
Minebea Electronics Co., Ltd. 2001-2002
http://www.minebea-ele.com
Page 12 / 15
2-2.3
2
-
R
1
5
1
.
.
1
2
5
R
-
2
R
R
T
H
P
H
Small Precision Motors
Selection of PM Motor
Drive Circuitry and Wiring Diagram
Show the drive circuitry and stndard color of lead wire.
1) Drive Circuitry
UNI-POLAR DRIVE BI-POLAR DRIVE
+V
+V
A1 / Black
A2 / Red
A1 / Black B1 / Orange
A3 / Brown
B1 / Orange
A3 / Brown B3 / Yellow
B2 / Red
B3 / Yellow
2) Switching Sequence ( Using the Drive Circuit Indicated Above )
UNI-POLAR DRIVE BI-POLAR DRIVE
A1 A3 B1 B3 A2/B2 A1 A3 B1 B3
Black Brown Orange Yellow Red/Red Black Brown Orange Yellow
_ _ _ _
1 1
+ + +
_ _ _ _
2 2
+ + +
_ _ _ _
3 3
+ + +
_ _ _ _
4 4
+ + +
The rotation direction is as viewed from the front end.
Minebea Electronics Co., Ltd. 2001-2002
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Page 13 / 15
CW Rotation
CW Rotation
CCW Rotation
CCW Rotation
Small Precision Motors
Selection of PM Motor
Selection of PM Motor
Drive Circuitry and Wiring Diagram
3) Wiring Diadram ( WIRE HOLDER Method )
MINEBEA STANDARD W/H DIRECTION
LEFT RIGHT
Standard Wiring Color
MOTOR WIRE COLOR MOTOR WIRE COLOR
A1 Black B1 Orange
A2 Red B2 Red
A3 Brown B3 Yellow
Please refer to the former page for switching sequence.
B1 B3
PM15S
B3
B1
A1
A3
A3
A1
LEFT RIGHT
PM20, PM25 B3 B1
A2, B2
B1
B3
A1
A3
A2, B2
A3 A1
LEFT RIGHT
Minebea Electronics Co., Ltd. 2001-2002
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Page 14 / 15
Small Precision Motors
Selection of PM Motor
Drive Circuitry and Wiring Diagram
3) Wiring Diadram ( WIRE HOLDER Method )
PM35, PM42, PM55
A1 A2, B2
B1
B1
B3
A1
A3
A3
B3
A2, B2
LEFT RIGHT
PM42M
B1
B3
B2
B2
B3
B1
A3 A1
A2 A2
A1 A3
LEFT RIGHT
4) Motor Unit Wiring Diagram ( IDC Method - Standard Wiring Color )
UNI-POLAR DRIVE BI-POLAR DRIVE
Motor connector
Motor connector
A1 A2 A3
A1 A3
Black Red Brown
Black Brown
B1 B2 B3 B1 B3
Orange Red Yellow Orange Yellow
Minebea Electronics Co., Ltd. 2001-2002
http://www.minebea-ele.com
Page 15 / 15
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