Table of contents
Introduction........................................................................................................................................... 3
1 Fundamental safety instructions for the SIMOTICS documentation ................................................... 11
1.1 Fundamental safety instructions......................................................................................... 11
1.1.1 General safety instructions ................................................................................................ 11
1.1.2 Equipment damage due to electric elds or electrostatic discharge ..................................... 16
1.1.3 Security information .......................................................................................................... 16
1.1.4 Residual risks of power drive systems ................................................................................. 17
2 Description of the motors .................................................................................................................... 19
2.1 Highlights and benets ...................................................................................................... 19
2.2 Motors used for the intended purpose................................................................................ 20
2.3 Technical characteristics and ambient conditions................................................................ 22
2.3.1 Directives and standards .................................................................................................... 22
2.3.2 Technical features .............................................................................................................. 25
2.3.3 Torque overview ................................................................................................................ 26
2.3.4 Ambient conditions............................................................................................................ 27
2.4 Derating factors................................................................................................................. 28
2.5 Selection based on the article number................................................................................ 31
2.6 Rating plate data................................................................................................................ 33
3 Mechanical properties ......................................................................................................................... 35
3.1 Cooling.............................................................................................................................. 35
3.2 Degree of protection.......................................................................................................... 37
3.3 Types of construction......................................................................................................... 39
3.4 Bearing versions ................................................................................................................ 40
3.5 Shaft extension.................................................................................................................. 41
3.6 Radial and axial forces........................................................................................................ 42
3.6.1 Axial forces........................................................................................................................ 42
3.6.2 Radial forces ...................................................................................................................... 42
3.6.3 Sample calculation of the belt pre-tension.......................................................................... 50
3.7 Radial eccentricity, concentricity and axial eccentricity........................................................ 51
3.8 Balancing........................................................................................................................... 53
3.9 Vibrational behavior........................................................................................................... 54
3.10 Noise emission................................................................................................................... 56
3.11 Bearing change interval ..................................................................................................... 57
3.12 Service and inspection intervals ......................................................................................... 58
1FK2 Synchronous Motors for SINAMICS S120
Conguration Manual, 02/2022, A5E46927724B AD 7