Description of the motors
2.6 Mounting and options
1FK7 G2 synchronous motors
40 Operating Instructions, 05/2021, A5E50907562B AA
2.6.4.3 Technical data of the absolute encoders for 1FK7 motors
Description, multiturn absolute encoder
This encoder outputs an absolute angular position between 0° and 360° in the specified
resolution. An internal measuring gearbox enables it to differentiate between 4096 rotations.
For a ballscrew spindle, over a longer distance, the encoder can determine the absolute
position of the slide, for example.
Description, absolute value singleturn
This encoder outputs an absolute angular position between 0° and 360° in the specified
resolution. Contrary to a multiturn absolute encoder, the singleturn absolute encoder has no
measuring gear, which means that it can only supply position values within just one
revolution. The singleturn absolute encoder has no traversing range.
Function and technical data
• Angular measuring system for commutation
• Speed actual value sensing
• Indirect measuring system for absolute position determination within a revolution
• Indirect measuring system for determining the absolute position within a traversing range
of 4096 revolutions
• For multiturn encoders: Indirect measuring system for absolute position determination
within a traversing range
• Indirect incremental measuring system for position control loop
Table 2- 9 Technical data, absolute value encoder without DRIVE-CLiQ interface
voltage
drain
resolution
(singleturn)
ing-range
(multi-
tion incremental
(sin/cos periods per
error
Serial absolute position interface: EnDat 2.1
2048 S/R, (4096 revolu-
tions, multiturn, with
(=12 bits)
Serial absolute position interface: EnDat 2.2
Absolute encoder, 25-bit,
4096 revolutions multi-
turn, with EnDat interface
2.2 for 1FT704 ... 1FT713
105 mA
25 bits)
(= 12 bits)
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