User Manual

PD28-1-1021 / PD28-3-1021 V1.4 Hardware Manual (Rev. 1.03 / 2018-JAN-25) 8
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3.2 Motor Characteristics
Main characteristics of the two different motors available as part of the PD28-1-1021 (QSH2818-32-07-006)
and PD28-3-1021 (QSH2818-51-07-012):
Specification
Paramete
r
Units
QSH2818-32-07-006
QSH2818-51-07-012
Related PANdrive
PD28-1-1021
PD28-3-1021
Rated Voltage
V
RATED
V
3.8
6.2
Rated Phase Current
I
RMS_RATED
A
0.67
0.67
Phase Resistance at 20°C
R
COIL
Ω
5.6
9.2
Phase Inductance (typ.)
mH
3.4
7.2
Holding Torque (typ.)
Ncm
6
12
oz in
8.5
17.0
Detent Torque
Ncm
Rotor Inertia
g cm
2
9
18
Weight (Mass)
Kg
0.11
0.2
Insulation Class
B
B
Insulation Resistance
Ω
100M
100M
Dialectic Strength (for one minute)
VAC
500
500
Connection Wires
N°
4
4
Step Angle
°
1.8
1.8
Step angle Accuracy (max.)
%
5
5
Flange Size (max.)
mm
28.0
28.0
Motor Length (max.)
L
MAX
mm
32
51
Axis Diameter
mm
5.0
5.0
Axis Length (typ.)
mm
20.0
20.0
Shaft Radial Play (450g load)
mm
0.02
0.02
Shaft Axial Play (450g load)
mm
0.08
0.08
Maximum Radial Force
(20 mm from front flange)
N
28
28
Maximum Axial Force
N
10
10
Ambient Temperature
°C
-20…+50
-20…+50
Temp Rise (rated current, 2phase on)
°C
max. 80
max. 80
Table 3.1 NEMA 11 / 28mm technical motor data