Beckhoff AM3011-0B00-0001 Brushless Servo Motor with Resolver Feedback


The Beckhoff AM3011 is a compact, cute little single stack 40mm flange brushless servo motor with resolver feedback. The circular connectors are almost as big as the motor. It's my only motor with a resolver; other unusual features for such a small motor include high pole count (6 poles; 4 poles is normal for this size) and high voltage (230V; most of my motors are <100V). The Beckhoff datasheet is here (PDF).
Motor Specifications
Mechanical Specifications
Parameter | Value | Unit
|
Poles | 6 |
|
Standstill Torque | 25.5 | oz-in
|
Peak Torque | 100 | oz-in
|
Standstill Current | 1.16 | A
|
Peak Current | 5.8 | A
|
Operating Speed | 8000 | RPM
|
Rated Voltage | 230 | V
|
Rated Power | 140 | W
|
Motor Inertia | 0.000241 | oz-in-sec-sec
|
Weight | 0.35 | kg
|
Winding Constants
Parameter | Value | Unit
|
Torque Constant | 22.7 | oz-in/A
|
Kerms Voltage Constant | 10.2 | mVmin
|
Winding Resistance | 18.2 | Ohm
|
Winding Inductance | 12.5 | mH
|
Motor Connections
Power
Phase | Wire Color | Pin
|
U | BLU | 1
|
V | BRN | 4
|
W | VIO | 3
|
Case Ground | Green | 2
|
Resolver
I will update this section when I have tested the motor with a servo drive (I do have a B&R servo drive with resolver feedback).
Signal | Wire Color | Pin
|
Thermal Protection | Orange | 2
|
S3 Cos REF | Blue | 3
|
S4 Sine REF | Black | 4
|
R2 Ref - | Black/White | 5
|
Thermal Protection | Orange/White | 6
|
S1 Cos + | Yellow | 7
|
S2 Sine + | Red | 8
|
R1 Ref + | Red/White | 9
|