Siemens 1FT7 - Absolute Encoder

Motor components
5.2 Encoder (option)
1FT7 Synchronous Motors
Configuration Manual, (PFT7S) 01/2009, 6SN1197-0AD13-0BP2
207
5.2.5 Absolute encoder
Function:
● Angular measuring system for the commutation
● Speed actual value sensing
● Indirect measuring system for absolute position determination within a revolution
● Indirect measuring system for absolute position determination within a traversing range of
4,096 revolutions
● Indirect incremental measuring system for position control loop
Table 5- 3 Technical data, absolute value encoder
Features Absolute encoder, EnDat,
2,048 S/R (encoder AM2048S/R)
Absolute encoder, 22-bit singleturn +
12-bit multiturn (encoder AM22DQ)
Mech. limiting speed 12000 RPM 12000 RPM
Operating voltage 5 V ± 5 % 24 V
Current consumption 300 mA, maximum 220 mA, maximum
Absolute resolution (singleturn) 13 bits = 8,192 13 bits = 8,192
Traversing range (multiturn) 4096 revolutions 4096 revolutions
A-B track: Incremental resolution 2,048 S/R (1 Vpp)
(sin/cos periods per revolution)
22-bit
Angular error ± 40" ± 40"
Serial absolute position interface EnDat 2.1 DRIVE-CLiQ
For signal sequence and assignment of the A-B track, refer to the figure titled "Incremental encoder"