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
6LQXVRLGDOWUDFN
8
&RVLQXVRLGDOWUDFN
D DUFWDQ
8
6LQXVRLGDOWUDFN
8
&RVLQXVRLGDOWUDFN