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User Manual
A620D0001 Rev 1.2
30-July-2019
10.3. Motor Electrical Specifications
Specification
Motor Bus Voltage
Motor Torque Constant
Continuous Current
Peak Current
Continuous Torque
Peak Torque
Motor Back EMF
Motor Resistance
(phase-to-phase)
Motor Inductance
(phase-to-phase)
# Poles
10.4. Encoder Specifications
Option Code
Type
Output Signal
Power Input
Input Ripple
Model
Fundamental Lines/Rev
Resolution
Max Velocity
Index Mark
Notes:
Resolution shown for encoder option "A" assumes 4096x interpolation.
1.
PI (Physik Instrumente) L.P.
16 Albert Street, Auburn, MA 01501
Tel: 508-832-3456 Fax: 508-832-0506
Email: air@pi-usa.us
Units
A-621.025
VDC
N-m/A
0.03
Arms
3.3
Arms
10.3
N-m
0.07
N-m
0.21
V/kRPM
4.1
Ω
2.7
mH
0.1
-
12
A
Incremental
Analog Quadrature
1 Vp-p, Differential
5 VDC, <200 mA
200 mVp-p max @ up to 500 kHz
Option
Code
Units
A-621
A
#
8,192
(1)
A
µrad
(0.04)
(arc-sec)
B
A
RPM
B
A
-
B
-
A-623.xxx
A-624.050
48 VDC nominal, 80 VDC max
0.26
0.59
3.1
2.3
9.5
6.9
0.7
1.57
2.1
4.71
31.8
71
4.2
6.7
0.4
0.9
28
48
B
Absolute
BiSS-C 32-bit serial
5 VC, <250mA
A-623
A-624
15,744
23,600
0.19
0.1
0.06
(0.02)
(0.01)
0.0015 (0.0003)
See max velocity in table above. Not limited by encoder.
0.8 to 1.2 Vp-p, Differential, 1/rev
None
A-625.065
A-627.075
0.59
0.61
2.3
4.5
6.9
13.9
1.57
2.82
4.71
8.46
71
74
6.7
4.5
0.9
0.6
48
64
A-625
A-627
31,488
47,200
0.05
0.03
(0.01)
(0.007)
Page 25 of 32
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