90
Stepping Motor
Allowable load/Internal wire connection/Direction of motor rotate
P.93
General specifi cations
P.94
Motor dimensions
P.99
The data are measured under the drive condition
of our company. The drive torque may very depending on the accuracy of customer -side equipment.
Constant current circuit
Source voltage
:
DC24V
・
operating current
:
0.75A/phase
5-phase
excitation
(
full step
)
JL1= [0.94
×
10
-4
kg
・
m
2
(
5.14 oz
・
in
2
)
use the rubber coupling]
fs: Maximum self - start frequency when not loaded
Constant current circuit
Source voltage
:
AC100V
・
operating current
:
1.5A/phase
5-phase
excitation
(
full step
)
JL1= [0.94
×
10
-4
kg
・
m
2
(
5.14 oz
・
in
2
)
use the rubber coupling]
fs: Maximum self - start frequency when not loaded
103H7521-8051
103H7521-8021
103H7522-8051
103H7522-8021
103H7523-8051
103H7523-8021
Constant current circuit
Source voltage
:
AC100V
・
operating current
:
1.5A/phase
5-phase
excitation
(
full step
)
JL1= [2.6
×
10
-4
kg
・
m
2
(
14.22 oz
・
in
2
)
use the rubber coupling]
fs: Maximum self - start frequency when not loaded
Constant current circuit
Source voltage
:
AC100V
・
operating current
:
1.5A/phase
5-phase
excitation
(
full step
)
JL1= [7.4
×
10
-4
Kg
・
m
2
(
40.46 oz
・
in
2
)
use the rubber coupling]
fs: Maximum self - start frequency when not loaded
■
Characteristics
φ
60
mm (
φ
2.36inch)
0.72
°
/step
Motor with leads
Model number
Holding torque at
5-phase energization
Rated current
Wiring
resistance
Winding
inductance
Rotor inertia
Mass
(
Weight
)
Single shaft
Double shaft
[N
・
m
(
oz
・
in
)
MIN.]
A/phase
Ω
/phase
mH/phase
[
×
10
-4
kg
・
m
2
(oz
・
in
2
)] kg (lbs)
103H7521-7051
103H7521-7021
0.46 (65.1)
0.75
2.4
4.3
0.148 (0.81)
0.51 (1.12)
103H7521-8051
103H7521-8021
0.46 (65.1)
1.5
0.6
1.1
0.148 (0.81)
0.51 (1.12)
103H7522-7051
103H7522-7021
0.735 (104.1)
0.75
3.3
7.5
0.18 (0.98)
0.6 (1.32)
103H7522-8051
103H7522-8021
0.735 (104.1)
1.5
0.75
2
0.18 (0.98)
0.6 (1.32)
103H7523-7051
103H7523-7021
1.568 (222.0)
0.75
5.2
21
0.423 (2.31)
1.1 (2.43)
103H7523-8051
103H7523-8021
1.568 (222.0)
1.5
1.4
5.4
0.423 (2.31)
1.1 (2.43)
103H7521-7051
103H7521-7021
103H7522-7051
103H7522-7021
103H7523-7051
103H7523-7021
Constant current circuit
Source voltage
:
DC24V
・
operating current
:
0.75A/phase
5-phase
excitation
(
full step
)
JL1= [0.94
×
10
-4
kg
・
m
2
(
14.22 oz
・
in
2
)
use the rubber
coupling]
fs: Maximum self - start frequency when not loaded
Constant current circuit
Source voltage
:
DC24V
・
operating current
:
0.75A/phase
5-phase
excitation
(
full step
)
JL1= [2.6
×
10
-4
Kg
・
m
2
(
40.46 oz
・
in
2
)
use the rubber coupling]
fs: Maximum self - start frequency when not loaded
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.2
0.4
0.6
0.8
1.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
140
120
100
80
60
40
20
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.2
0.4
0.6
0.8
1.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
140
120
100
80
60
40
20
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.2
0.4
0.6
0.8
1.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
140
120
100
80
60
40
20
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.4
0.8
1.2
1.6
2.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
250
200
150
100
50
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.4
0.8
1.2
1.6
2.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
250
200
150
100
50
Torque
(
N
・
m
)
Pulse rate
(
kpulse/s
)
Number of rotations
(
min
−
1
)
0.1
1
10
fs
100
2000 3000 5000
100
1000
0.2
0.4
0.6
0.8
1.0
0
Pull-out torque at J
L1
0
Torque
(
oz
・
in.
)
140
120
100
80
60
40
20