27
2-phase stepping motor
28mmsq.
1.10inch sq.
SH228
1.8°
/step
Bipolar windingLead wire type
Model Holding torque at 2-phase
energization Rated current Wiring resistance Winding inductance Rotor inertia MassWeight
Single shaft Double shafts [Nm
ozinMIN.] A/phase Ω
/phase mH/phase [×
10 -4kg
m2
oz
in2
][kg
Ibs
]
SH2281-5671 -5631 0.079.910.5 10.5 7.2 0.010.050.110.24
SH2281-5771 -5731 0.079.911 2.6 1.850.010.050.110.24
SH2285-5671 -5631 0.14520.530.5 15 13.5 0.0220.120.20.44
SH2285-5771 -5731 0.14520.531 3.75 3.4 0.0220.120.20.44
Unipolar windingLead wire type
Model Holding torque at 2-phase
energization Rated current Wiring resistance Winding inductance Rotor inertia MassWeight
Single shaft Double shafts [Nm
ozinMIN.] A/phase Ω
/phase mH/phase [×
10 -4kg
m2
oz
in2
][kg
Ibs
]
SH2281-5171 -5131 0.0557.790.5 10.5 3.7 0.010.050.110.24
SH2281-5271 -5231 0.0557.791 2.851 0.010.050.110.24
SH2285-5171 -5131 0.11516.280.5 16.5 7.1 0.0220.120.20.44
SH2285-5271 -5231 0.11516.281 4.1 1.9 0.0220.120.20.44
Pulse rate-torque characteristics
The date are measured under the drive condition of our company. The drive torque may very depending on the accuracy of customer-side equipment.
Pulse rate-torque characteristics
The date are measured under the drive condition of our company. The drive torque may very depending on the accuracy of customer-side equipment.
SH2281-56 □□ SH2285-56 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
14
0
12
10
8
6
4
2
Tor quekgfcm
Tor queozin
Tor queNm
0.2
0.4
0.6
0.8
1
0
0.02
0.04
0.06
0.08
0.1
0
Pull-out torque at J
L
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
28
0
24
20
16
12
8
4
Tor quekgfcm
Tor queozin
Tor queNm
0.4
0.8
1.2
1.6
2
0
0.04
0.08
0.12
0.16
0.2
0
Pull-out torque at J
L
SH2281-57 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
14
0
12
10
8
6
4
2
Tor quekgfcm
Tor queozin
Tor queNm
0.2
0.4
0.6
0.8
1
0
0.02
0.04
0.06
0.08
0.1
0
Pull-out torque at J
L
SH2285-57 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
28
0
24
20
16
12
8
4
Tor quekgfcm
Tor queozin
Tor queNm
0.4
0.8
1.2
1.6
2
0
0.04
0.08
0.12
0.16
0.2
0
Pull-out torque at J
L
Constant current circuit
Source voltage : DC24VOperating current : 0.5A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 0.5A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 1A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 1A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
SH2281-51 □□ SH2285-51 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
14
0
12
10
8
6
4
2
Tor quekgfcm
Tor queozin
Tor queNm
0.2
0.4
0.6
0.8
1
0
0.02
0.04
0.06
0.08
0.1
0
Pull-out torque at J
L
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
28
0
24
20
16
12
8
4
Tor quekgfcm
Tor queozin
Tor queNm
0.4
0.8
1.2
1.6
2
0
0.04
0.08
0.12
0.16
0.2
0
Pull-out torque at J
L
SH2281-52 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
14
0
12
10
8
6
4
2
Tor quekgfcm
Tor queozin
Tor queNm
0.2
0.4
0.6
0.8
1
0
0.02
0.04
0.06
0.08
0.1
0
Pull-out torque at J
L
SH2285-52 □□
0.1 1 10 100
1000 2000 3000 5000100
Pulse ratekpulse/s
Number of rotationsmin
-1
28
0
24
20
16
12
8
4
Tor quekgfcm
Tor queozin
Tor queNm
0.4
0.8
1.2
1.6
2
0
0.04
0.08
0.12
0.16
0.2
0
Pull-out torque at J
L
Constant current circuit
Source voltage : DC24VOperating current : 0.5A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 0.5A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 1A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
Constant current circuit
Source voltage : DC24VOperating current : 1A/phase,
2-phase energization (full-step)
J
L
=[0.01×10
-4
kgm
2
(1.80 ozin
2
) pulley balancer method]
2-phase STEPPING SYSTEMS
Stepping motor
Specifications
51
Dimensions
2-phase STEPPING SYSTEMS
▽:Motor shaft specification code
Motor shaft spec Set type code Motor type code
Single shaft S 7
Double shafts D 3
Motor shaft specification code
Motor shaft spec Set type code Motor type code
Single shaft S 4
Double shafts D 1
42mm
1.65inch
18以下
15±1
300MAX
A
B
Effective tapping depth depth 4(.16) MIN.
4-M3 x0.5
L±0.5 24±0.5
42±0.25
4-31±0.25
Pin No.
1 · · · 6
15±1
0.013
ø5-0.013
0.013
ø5-0.013
0.05
ø22-0.05
(.59
±.04
)
(L±.02) (.94±.02)
.00003
(
ø.1968-.0005
)
.00003
ø.1968-.0005
)
.0003
(
ø.87-.002
)
(1.65±.01)
(4-1.22±.01)
27(1.06)
MAX.
7(.28) MAX.
1.5±0.76
(.59±.03)
28(1.1)
MIN.
11(.44)
MAX.
B
A
Lead wire type
Connector type
Set part number Motor model number Motor length :
mminchCable type
Unipolar
DU15H521 103H5205-04 033
1.25Connector
DU15H522 103H5208-04 039
1.54Connector
DU15H524 103H5210-04 048
1.89Connector
103H5209-04 041
1.61Connector
18MAX
5MAX
Set part number Motor model number Motor length :
mminchCable type
Unipolar
DU15S141 SH1421-04 133
1.25Lead wire
DU15S142 SH1422-04 139
1.54Lead wire
DU15S144 SH1424-04 148
1.89Lead wire
Bipolar
DB16H141 SH1421-52 133
1.25Lead wire
DB16H142 SH1422-52 139
1.54Lead wire
DB16H144 SH1424-52 148
1.89Lead wire
42mm
1.65inch
42±0.25
4-31±0.25
4-M3×0.5
Leadwire:
UL3385AWG24
300MIN
(11.81MIN.)
R3MIN
(R.12MIN.)
CrosssectionS-S
S
S
(1.65±.01)
24±0.5
(.94±.02)
L±0.8
(L ±.02)
15±1
(.59±.04)
4.5±0.15
(.1771±.0059)
4.5±0.15
(.1771±.0059)
1.5±0.76
(.06±.03)
(4-1.22±.01)
φ
22-0.05
0
φ
5-0.013
0
150
+1
φ
.8661-.0019
.0000
φ
.1968-.0005
.0000
φ5-0.013
0
φ
.1968-.0005
.0000
.59.00
+.04
Lead wire type
35mm
1.65inch
L±1
2.05±.04
20±0.5
(.79
±.02
)
401.57MIN.
2±0.25
(.08±.01)
φ5-0.013
0
φ5-0.013
0
300(11.81)MIN.
4-M3×0.5
φ35.6(φ1.40) only stator part
Lead wire:UL1007 CSA,AWG26
Effective tapping depth 4(.16) MIN.
φ.1968-.0005
.0000
( )
φ.1968-.0005
.0000
( )
26±0.25
29±0.25
15±1
(.59
±.04
)
9(.35)
MAX.
35
±0.5
(
1.38
±.02
)
29
±0.25
(1.14
±.01
)
26
±0.25
(1.02
±.01
)
22(.87)MAX.
5(.20)MAX.
(1.02±.01)
(1.14±.01)
Set part number Motor model number Motor length :
mminchCable type
Unipolar
SH3533-12U 033
1.25Lead wire
SH3537-12U 037
1.54Lead wire
SH3552-12U 052
1.89Lead wire
Lead wire type
.06±.03
A
ø.197-.0005
0
ø.866-.002
0
4-M3 x 0.5
.16 MIN.DP.
1.22±.01
1.22±.01
.71MAX.
1.65±.01
+.04
.177±.006
.94±.02
R.12MIN.
.2MAX.
L±.02
.94MIN.
24MIN.
.24MAX.
.591±.04
ø.197-.0005
0
.59 0
42mm
1.65inch
Lead wire typeConnector type
Set part number Motor model number Motor length :
mminchCable type
Bipolar
DB14H521 103H5205-52 033
1.25Lead wire
DB14H522 103H5208-52 039
1.54Lead wire
DB14H524 103H5210-52 048
1.89Lead wire
103H5205-50 033
1.25Lead wire
103H5205-51 033
1.25Lead wire
103H5208-50 039
1.54Lead wire
103H5208-51 039
1.54Lead wire
103H5209-50 041
1.61Lead wire
103H5209-51 041
1.61Lead wire
103H5209-52 041
1.61Lead wire
103H5210-50 048
1.89Lead wire
103H5210-51 048
1.89Lead wire
MotorsUnit: mminch
28mm
1.10inch
Lead wire type
Connector type
4.5±0.15
(.17771±0.059)
28±0.5
(
1.10±0.2)
423±0.25
(4
.91±0.01)
4-M2.5×0.45
0.013
φ5-0.013
.0000
(φ.1968-.0005
0.13
φ22-0.05
.0000
(φ.8661-.0019
+1
10 0
+.04
.39 .00)
(Effective lenght)
Lead wire:UL3265 AWG28
L±0.8
L±0.3
15±0.5
.59±0.2
1.5±0.76
.06±0.3
(R.12 MIN.)
R3
MAX.
0.013
φ5-0.013
.0000
φ.1968-.0005
10±1
.39±0.4
11.81MIN.
300
MAX.
S
S
4.5±0.15
.1771±0.059
Cross section S-S
Set part number Motor model number Motor length :
mminchCable type
Unipolar
DU14S281 SH2281-51 132
1.26Lead wire
DU14S281 SH2281-52 132
1.26Lead wire
DU14S285 SH2285-51 151.5
2.03Lead wire
DU14S285 SH2285-52 151.5
2.03Lead wire
Bipolar
DB14S281 SH2281-56 132
1.26Lead wire
DB14S281 SH2281-57 132
1.26Lead wire
DB14S285 SH2285-56 151.5
2.03Lead wire
DB14S285 SH2285-57 151.5
2.03Lead wire
N.P
(11.8MIN.)
(.20±.04)
(L±.02)
(.28±.02)
(Ø .1968-.0005)
.0000
(Ø .1968-.0005)
(Ø .8661-.0019)
.0000
.0000
(1.65±.020)
(2-1.22±.012)
( .94MAX.)
( .20MAX.)
2-31±0.3
24MAX.
42±0.5
5MAX.
300MIN.
Lead wire UL1007 AWG26
7±0.5
Ø22 0
-0.05
Ø5 0
-0.013
5±1L±0.5
0
-0.013
2-M3×0.5
Ø5
42mm
1.65inch
Lead wire type
Set part number Motor model number Motor length :
mminchCable type
Bipolar
SS2421-50 111.6
.457Lead wire
SS2422-50 118.6
.732Lead wire
SS2423-50 125.6
1.008
Lead wire