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Siemens D 21.4 · 2017
SINAMICS S120 drive system
Supplementary system components
Encoder system connection
> SME20/SME25 Sensor Modules External
7
■
Technical specifications
SME20 Sensor Module External
6SL3055-0AA00-5EA3
SME25 Sensor Module External
6SL3055-0AA00-5HA3
Encoder
• Incremental encoder sin/cos 1 V
pp
with 5 V power supply
0.35 A
• Absolute encoder EnDat 2.1
with 5 V voltage supply
0.35 A
• Absolute encoder SSI with incremental signals
sin/cos 1 V
pp
with 5 V voltage supply
0.35 A
Signal subdivision
(interpolation)
≤
16384 × (14 bits)
≤
16384 × (14 bits)
Max. encoder frequency that can be
evaluated
kHz
≤
500
≤
500
SSI/EnDat 2.1 baud rate
kHz
–
100
Measuring system interface
12-pin M23 circular connector
17-pin M23 circular connector
Outlet
IP67 DRIVE-CLiQ connector
IP67 DRIVE-CLiQ connector
Current requirement, max.
At 24 V DC,
not taking encoder into account
A
0.11
0.11
• Conductor cross-section
Acc. to connector contacts
Acc. to connector contacts
• Protection
Via DRIVE-CLiQ power supply source
Via DRIVE-CLiQ power supply source
Power loss, max.
W
4
4
PE connection
M4 screw/1.8 Nm
M4 screw/1.8 Nm
Cable length, max.
• To measuring system
1)
m (ft)
3 (9.84)
3 (9.84)
• To automatic speed control
m (ft)
100 (328)
100 (328)
Degree of protection
IP67
IP67
Dimensions
• Width
mm (in)
58 (2.28)
58 (2.28)
• Height
mm (in)
44 (1.73)
44 (1.73)
• Depth
mm (in)
112 (4.41)
112 (4.41)
Weight, approx.
kg (lb)
0.31 (0.68)
0.31 (0.68)
Certificate of suitability
cULus
cULus
1)
The maximum cable length at the encoder system interface depends on
the current drawn by the encoder system and the cross-section of the
supply conductors in the cable, however, a maximum of 10 m (32.8 ft)
(for detailed information, see Manual SINAMICS S120 Control Units)
.
© Siemens AG 2017