Siemens 6RA8085-6DS22

Additional system components
7.2 SMC10 Sensor Module Cabinet-Mounted
SINAMICS DCM DC Converter
204 Operating Instructions, 12/2018, A5E34763375A
7.2.7
Technical data
Table 7- 10 Technical data
6SL3055-0AA00-5AAx
Unit
Value
Electronics power supply
Voltage
Current (without encoder system)
Current (with encoder system)
Power loss
Max. cable length
V
DC
A
DC
A
DC
W
m
24 (20.4 … 28.8)
≤ 0.20
≤ 0.35
≤ 10
30
Specification
Transformation ratio of the resolver (ü)
Excitation voltage on the SMC10 when ü=0.5
Amplitude monitoring threshold (secondary
tracks) of the SMC10
V
rms
V
rms
0.5
4.1
1
Excitation voltage (cannot be parameterized)
V
rms
4.1
Excitation frequency (synchronized to the current
controller clock cycle)
kHz 5 to 16
PE/ground connection
At the housing with M4 screw
Max. encoder cable length
m
130
Ventilation clearances, above/below
mm
50
Weight
kg
0.45
Table 7- 11 Max. frequency that can be evaluated (speed)
Resolver
Max. speed resolver / motor
Number of
poles
Number of
pole pairs
8 kHz / 125 μs
4 kHz / 250 μs
2 kHz / 500 μs
2-pole
1
120000 rpm
60000 rpm
30000 rpm
4-pole
2
60000 rpm
30000 rpm
15000 rpm
6-pole
3
40000 rpm
20000 rpm
10000 rpm
8-pole
4
30000 rpm
15000 rpm
7500 rpm
The ratio between the ohmic resistance R and the inductance L (the primary winding of the
resolver) determines whether the resolver can be evaluated with the SMC10. See the figure
below: