Motor Components (Options)
4.4 Motors without DRIVE-CLiQ
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 Absolute value encoders
EnDat (A–2048)
Absolute value encoders
EnDat (A–512)
Mech. limiting speed 12000 RPM 12000 RPM
Operating voltage 5V ± 5% 5V ± 5%
Current consumption max. 300 mA max. 200 mA
Resolution, incremental (periods per revolution) 2048 512
Resolution, absolute (coded revolutions) 4096 4096
Incremental signals 1 Vpp 1 Vpp
Serial absolute position interface EnDat EnDat
Angular error ± 40" ± 80"
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
4-7
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