8.1.10 Permissible radial and axial forces
Shaft
height
Reference type
without brake
M
0
/ Nm
Average oper‐
ating speed
n
/ rpm
Point of load
(distance
from the
flange)
l
/ mm
Radial force
reference
type
F
R
/ N
Axial force,
dynamic
1)
F
A dyn
/ N
Axial force,
static
1)
F
A stat
/ N
20 0.32 3000 20 120 20 30
30 1.27 3000 25 280 40 75
40 3.18 3000 30 400 60 100
1) The specified axial forces are determined by the spring loading and therefore also apply for motors
with holding brake.
Note
Applications with an angular toothed pinion directly on the motor are not permitted with
standard bearings because the permissible axial forces are exceeded.
8.1.11 Available encoders
Encoders that can be ordered for the 1FK2:
Absolute encoder, singleturn,
20 bit
Absolute encoder 20 bit +12 bit
multiturn
Encoder designation AS20DQC AM20DQC
Identification in the article number C D
Resolution 1,048,576 = 20 bits 1,048,576 = 20 bits
Absolute position Yes, one revolution Yes, 4096 revolutions (12 bits)
Angular error ± 100" ± 100"
8.1.12 Brake data
WARNING
Unintentional movements through inadequate braking effect
If you use the holding brake incorrectly, e.g. as a safety brake, or you ignore the number of
permissible operating cycles of the brake, the brake does not close reliably. As a
consequence, there may be no brake effect. Unintentional movements of the machine or
system can result in death or serious injury.
● Observe the permissible number of operating cycles and EMERGENCY STOP properties.
● Operate the motor only in conjunction with an intact brake.
● Avoid repeated brief acceleration of the motor against a holding brake that is still closed.
Technical specifications
8.1 Technical data and properties of the motor
SINAMICS S210 servo drive system
Operating Instructions, 12/2017, A5E41702836B AA 185
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