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Absolute Value Encoder - Siemens SINAMICS S120 Configuration Manual

Synchronous motors.
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6.2.5

Absolute value encoder

Function:
• Angular measuring system for the commutation
• Speed actual value sensing
• Indirect absolute measuring system for the position control loop
Table 6-7
Technical data, absolute value encoder
Properties
Mech. limiting speed
Operating voltage
Power consumption
Resolution, incremental (periods per
revolution)
Absolute resolution (coded revolutions)
Incremental signals
Serial absolute position interface
Angular error
Note
As a result of the reduced maximum operating temperature of absolute encoders with
respect to incremental encoders, the thermally permissible rated motor torque is reduced
by 10%.
Synchronous Motors 1FK7
Configuration Manual, (PFK7S), Edition 12.2006, 6SN1197-0AD16-0BP1
Absolute encoders
EnDat (A–2048)
12000 RPM
5 V ± 5 %
max. 300 mA
2048
4096
1 Vpp
EnDat
± 40"
Absolute encoders
EnDat (A–512)
12000 RPM
5 V ± 5 %
max. 200 mA
512
4096
1 Vpp
EnDat
± 80"
Motor components
6.2 Encoder (option)
Simple absolute value
encoder (A–32)
12000 RPM
5 V ± 5 %
max. 300 mA
32
4096
1 Vpp
EnDat
± 280"
75

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