Technical data
18 ─── Version: 2.1AS2000
Step mode and limit
speeds
The Beckhoff stepper motor terminals can output approx. 125,000
steps per second and have a step angle of 1.8° or 200 steps/revolu-
tion.
Step mode Limit speed [rpm]
Full step theoretically 37,500
1/2 theoretically 18,750
1/4 theoretically 9,375
1/8 theoretically 4,688
1/16 2,344
1/32 1,171
1/64 585
Further information on the limit speeds can be found in the chapters
"AS202x Curves for torques and speeds", [Page20] and "AS204x
Curves for torques and speeds", [Page26] in each case at the end
of the technical data.
Maximum speed of the Beckhoff AS2000 stepper motor
The maximum speed is 3600rpm if using a Beckhoff stepper motor
from the AS2000 series with incremental encoder. In practice the
maximum speed is limited by the design of the stepper motor.
Beckhoff stepper motors from the AS2000 series are usually used
only for applications with nominal speeds of well below 1,000rpm.
4.4
AS202x
Electrical data AS2021 AS2022 AS2023-H AS2023-J
Standstill torque M
o
[Nm] 0.83 1.53 1.80 2.30
Breakdown torque M
p
[Nm] 0.63 1.17 1.45 1.90
Rated supply voltage [V
DC
] 24…50
Rated current [A] 2.0 5.6 6.4
Winding resistance Ph-Ph R
25
[Ω] 0.80 0.24 0.32 0.32
Winding inductance Ph-Ph L [mH] 3.8 0.90 0.97 0.97
EtherCAT plug-in module EJ7047
EtherCAT Terminal EL7037 / EL7031 EL7047 / EL7041-1000
EtherCAT Box EP7041-1002 EP7041-3002
Bus Terminal KL2531 KL2541
Resolution [steps] 1.8° / 200 full steps
Motor connector Round connector M12 high power, M12 feedback
Mechanical data AS2021 AS2022 AS2023
Axial load [N] 15 15 15
Radial load 0 mm from shaft end [N] 63 50 43
Rotor moment of inertia [kg cm²] 0.210 0.360 0.490
Weight without encoder [kg] 0.8 1.1 1.4
Weight with encoder [kg] 0.9 1.2 1.5
Maximum winding temperature [°C] 120
Flange size N2, NEMA 23/56mm
Protection class IP 54
Paint finishes
Properties powder coated
Color jet black / RAL 9005
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