Absolute Value Encoders - Siemens 1FT6031-4AK71-4AH0-Z Manual

4.4.2

Absolute value encoders

Function:
• Angular measuring system to impress current
• Speed actual value sensing
• Absolute measuring system for the position control loop
Table 4-7 Technical data, absolute value encoder
Features
Mech. limiting speed
Operating voltage
Current consumption
Resolution, incremental (periods per revolution)
Resolution, absolute (coded revolutions)
Incremental signals
Serial absolute position interface
Angular error
Note
As a result of the reduced maximum operating temperature of absolute value encoders with
respect to incremental encoders, the thermally permissible rated motor torque is reduced by
10%.
1FT6 synchronous motors
Configuration Manual, (PFT6), Edition 12.2004, 6SN1197-0AD12-0BP0
Absolute value encoders
EnDat (A–2048)
12000 RPM
5V ± 5%
max. 300 mA
2048
4096
1 Vpp
EnDat
± 40"
Motor Components (Options)
4.4 Motors without DRIVE-CLiQ
Absolute value encoders
EnDat (A–512)
12000 RPM
5V ± 5%
max. 200 mA
512
4096
1 Vpp
EnDat
± 80"
4-7