56mm sq.(2.20inch sq.)

Stepping Motor
56mm sq.(2.20inch sq.)
1.8°/step
Unipolar winding・Lead wire type
Bipolar winding・Lead wire type P.40
Unipolar winding・Lead wire type
Holding torque at
2-phase energization
[N・m(oz・in)MIN.]
0.39(55.2)
0.39(55.2)
0.39(55.2)
0.83(117.)
0.83(117.5)
0.78(110.5)
0.98(138.8)
0.98(138.8)
0.98(138.8)
1.27(179.8)
1.27(179.8)
1.27(179.8)
Model number
Single shaft
103H7121-0140
103H7121-0440
103H7121-0740
103H7123-0140
103H7123-0440
103H7123-0740
103H7124-0140
103H7124-0440
103H7124-0740
103H7126-0140
103H7126-0440
103H7126-0740
Double shafts
103H7121-0110
103H7121-0410
103H7121-0710
103H7123-0110
103H7123-0410
103H7123-0710
103H7124-0110
103H7124-0410
103H7124-0710
103H7126-0110
103H7126-0410
103H7126-0710
Rated current
A/phase
1
2
3
1
2
3
1
2
3
1
2
3
Wiring
resistance
Ω /phase
4.8
1.25
0.6
6.7
1.6
0.77
7
1.7
0.74
8.6
2
0.9
Winding
inductance
mH/phase
8
1.9
0.8
15
3.8
1.58
14.5
3.1
1.4
19
4.5
2.2
Mass
(Weight)
[×10-4kg・m2 (oz・in2)] [kg (Ibs)]
0.1(0.55)
0.47(1.04)
0.1(0.55)
0.47(1.04)
0.1(0.55)
0.47(1.04)
0.21(1.15)
0.65(1.43)
0.21(1.15)
0.65(1.43)
0.21(1.15)
0.65(1.43)
0.245(1.34)
0.8(1.76)
0.245(1.34)
0.8(1.76)
0.245(1.34)
0.8(1.76)
0.36(1.97)
0.98(2.16)
0.36(1.97)
0.98(2.16)
0.36(1.97)
0.98(2.16)
Rotor inertia
■ Characteristics diagram
40
30
20
0.4
70
Torque(oz・in.)
50
Torque(N・m)
Torque(oz・in.)
60
0.5
103H7121-0440
103H7121-0410
70
0.3
Pull-out torque at JL
0.2
0.1
10
60
50
40
30
20
Torque(N・m)
0.5
103H7121-0140
103H7121-0110
0.4
0.3
Pull-out torque at JL
0.2
0.1
10
0
0
0.1
1 fs
10
0
0
100
0.1
1 fs
Pulse rate(kpulse/s)
100
1000 2000 3000 5000
100
Number of rotations(min−1)
103H7123-0140
103H7123-0110
30
20
0.4
Pull-out torque at JL
0.3
120
100
0.2
0.1
10
0
1.0
140
Torque(oz・in.)
40
Torque(N・m)
Torque(oz・in.)
50
80
60
40
0.8
0.6
Pull-out torque at JL
0.4
0.2
20
0
0.1
1 fs
10
100
0
0
0.1
1 fs
Pulse rate(kpulse/s)
100
1000 2000 3000 5000
100
Allowable load・Internal wiring・Rotation direction
P.53 General Specifications
100
1000 2000 3000 5000
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 3A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Driving torque may vary according to actual machine precision.
10
Pulse rate(kpulse/s)
Number of rotations(min−1)
38
1000 2000 3000 5000
Constant current circuit
Source voltage : DC24V・Operating current : 2A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Torque(N・m)
0.5
70
60
100
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 1A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
103H7121-0740
103H7121-0710
10
Pulse rate(kpulse/s)
P.54 Motor dimensions
Constant current circuit
Source voltage : DC24V・Operating current : 1A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
P.66 The data are measured under the drive condition of our company.
DC input set model
■ Characteristics diagram
103H7123-0740
103H7123-0710
Pull-out torque at JL
0.4
0.2
60
40
0.6
Pull-out torque at JL
0.4
0.2
20
0
0
0.1
1 fs
10
0
0
100
0.1
1 fs
Pulse rate(kpulse/s)
100
10002000 3000 5000
100
103H7124-0440
103H7124-0410
40
0.8
1.0
140
120
Torque(oz・in.)
60
Torque(N・m)
Torque(oz・in.)
80
100
0.6
Pull-out torque at JL
0.4
0.2
20
80
60
40
0.8
Pull-out torque at JL
0.6
0.4
0.2
20
0
0
0.1
fs 1
10
0
0
100
0.1
1 fs
Pulse rate(kpulse/s)
100
10002000 3000 5000
100
103H7126-0140
103H7126-0110
40
0.8
2
280
240
Torque(oz・in.)
60
Torque(N・m)
Torque(oz・in.)
80
200
0.6
Pull-out torque at JL
160
0.4
120
0.2
80
1.6
1.2
0.8
Pull-out torque at JL
0.4
40
20
0
0
0.1
1 fs
10
Pulse rate(kpulse/s)
100
0
0
100
0.1
1000 2000 3000 5000
100
103H7126-0740
103H7126-0710
80
1.6
2
240
200
1.2
160
Pull-out torque at JL
0.8
120
0.4
40
0
1000 20003000 5000
280
Torque(oz・in.)
120
Torque(N・m)
Torque(oz・in.)
160
100
Constant current circuit
Source voltage : DC24V・Operating current : 1A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
80
Torque(N・m)
2
280
200
10
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 3A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
240
1 fs
Pulse rate(kpulse/s)
Number of rotations(min−1)
103H7126-0440
103H7126-0410
1000 2000 3000 5000
Constant current circuit
Source voltage : DC24V・Operating current : 2A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Torque(N・m)
1.0
140
100
100
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 1A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
120
10
Pulse rate(kpulse/s)
Number of rotations(min−1)
103H7124-0740
103H7124-0710
1000 2000 3000 5000
Constant current circuit
Source voltage : DC24V・Operating current : 3A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Torque(N・m)
1.0
140
100
100
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 2A/phase,
2-phase energization (full-step)
JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
120
10
Pulse rate(kpulse/s)
Number of rotations(min−1)
103H7124-0140
103H7124-0110
Stepping Motor
20
80
Stepping motors with
integrated drivers
40
100
0.6
0.8
Stepping motor for
vacuum environment
60
120
Dimensions
80
0.8
Torque(oz・in.)
100
Torque(N・m)
120
1.0
140
Torque(N・m)
1.0
140
Torque(oz・in.)
103H7123-0440
103H7123-0410
1.6
1.2
Pull-out torque at JL
0.8
0.4
40
0
0.1
1 fs
10
100
0
0
0.1
1 fs
Pulse rate(kpulse/s)
100
1000 20003000 5000
100
Number of rotations(min−1)
Allowable load・Internal wiring・Rotation direction
P.53 General Specifications
100
1000 2000 3000 5000
Number of rotations(min−1)
Constant current circuit
Source voltage : DC24V・Operating current : 2A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Driving torque may vary according to actual machine precision.
10
Pulse rate(kpulse/s)
P.54 Motor dimensions
Constant current circuit
Source voltage : DC24V・Operating current : 3A/phase,
2-phase energization (full-step)
JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
P.66 The data are measured under the drive condition of our company.
39