2
2.6 Technical data
2-64
E Siemens AG 2013 All Rights Reserved
SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
Table 2-6 Technical data for the POSMO A – 75 W positioning motor, continued
Designation Description
Degree of
protection
DIN EN 60034
IP54
Note:
IP40 at the motor shaft and planetary gearbox shaft. If necessary, an external seal must
be provided. The shaft may not run in an oil bath. If necessary, grease lubrication must
be provided.
Installation
altitude
and
permissible
output
Installation altitude above sea level in m Output as a % of the rated output
1000 100
1500 97
2000 94
2500 90
3000 86
3500 82
4000 77
Motor type Permanent–magnet brushless servomotor
(brushless DC: BLDC)
Cooling Non–ventilated (free convection)
Note:
The clearance 100 mm must be maintained to adjacent
parts and components on at least three sides of the
SIMODRIVE POSMO A
Overload monitoring i
2
t limitation
Measuring system
(integrated)
Incremental
Resolution: 816 increments/motor revolution
Rated motor speed 3 300 rpm (S1)
2 000 rpm (S3, 25 %, 1 min)
Note:
The data is only
Rated motor torque
(without gearbox)
0.18 Nm (S1)
0.36 Nm (S3, 25 %, 1 min)
valid for supply volt
ages of 24 V
Rated motor power
(without gearbox)
62.5 W (S1)
75 W (S3, 25 %, 1 min)
Rated motor current 4.5 A
Motor efficiency 65 %
Motor moment of
inertia
Ratio i: Without holding brake:
S referred to the
motor out drive
without gearbox 60.00 10
–6
kgm
2
S +Gearboxes
referred to the
gearbox output
4.5 1,233.2 10
–6
kgm
2
8 3,897.6 10
–6
kgm
2
20.25 24,972.8 10
–6
kgm
2
36 78,926.4 10
–6
kgm
2
50 152,250.0 10
–6
kgm
2
126.5625 975,500.2 10
–6
kgm
2
162 1,598,259.6 10
–6
kgm
2
5 1,537.5 10
–6
kgm
2
24 35,424.0 10
–6
kgm
2
75 345,937.5 10
–6
kgm
2
Shaft load capability
(motor shaft)
Axial load max. 150 N
Radial load max. 150 N
(effective 20 mm above the plane where the motor is bolted)
2 Installing and Connecting–Up
02.9908.06
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