Siemens MASTERDRIVES MC 1FK7 - Absolute Encoder

Motor Components (Options)
Encoders
1FK7 Synchronous Motors
4-6 Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
4.2.3 Absolute encoder
Function:
• Angular measuring system to impress current
• Speed actual value sensing
• Absolute measuring system for the position control loop
Fig. 4-3 Output signals, absolute encoders
Table 4-6: Technical data, absolute encoder
Features
Absolute encoder
EnDat (A–2048)
Absolute encoder
EnDat (A–512)
Simple absolute
encoder (A–32)
Operating voltage 5V ± 5% 5V ± 5% 5V ± 5%
Current consumption max. 300 mA max. 200 mA max. 300 mA
Resolution, incremental
(periods per revolution)
2048 512 32
Resolution, absolute
(coded revolutions)
4096 4096 4096
Incremental signals 1 Vpp 1 Vpp 1 Vpp
Serial absolute position
interface
EnDat EnDat EnDat
Angular error ± 40" ± 80" ± 400"
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%.
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