
Motor Components (Options)
Encoders
1FK7 Synchronous Motors
4-8
Configuration Manual (PFK7), 10/2005 Edition, 6SN1197-0AD06-0BP1
4.2.4
Resolvers
Function:
•
Speed actual value sensing
•
Rotor position encoder for inverter control
•
Indirect incremental measuring system for the position control loop
Fig. 4-4
Output signals, resolver
Notice
The max. operating frequency of 432 Hz must be observed with SIMODRIVE 611
universal HR.
(encoder frequency = motor speed x pole pair number of the resolver /60)
Table 4-9:
Technical data, resolvers
Features
1FK702
- 1FK703
1FK704
-10
Excitation voltage
5 V (rms) up to 13 V (rms)
5 V (rms) up to 13 V (rms)
Excitation frequency
4 kHz to 10 kHz
4 kHz to 10 kHz
Current consumption
< 80 mA (rms)
< 80 mA (rms)
Angular accuracy (bandwidth)
2-pole
multi-pole
< 20'
< 7'
< 14'
< 4'
Pole number
(the pole number is the same as
the motor pole number)
2, 6
2, 4, 6 or 8
Ratio
0.5
0.5
8
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8
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8
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