Siemens SIMOTICS SD Operating Instructions Manual page 6

Table of contents
5.1.6 Balancing..................................................................................................................................... 35
5.1.6.1 Mounting and withdrawing output transmission elements .......................................................... 36
5.1.7 Noise emission ............................................................................................................................ 37
5.2 Alignment and fastening .............................................................................................................. 37
5.2.1 Flatness of supporting surfaces .................................................................................................. 38
5.2.2 Machine frame mounting feet (special design) ........................................................................... 38
6 Electrical connection ............................................................................................................................. 39
6.1 Connecting the machine ............................................................................................................. 39
6.1.1 General ........................................................................................................................................ 39
6.1.2 Terminal designations ................................................................................................................. 41
6.1.3 Direction of rotation ..................................................................................................................... 41
6.1.4 Connection with/without cable lugs ............................................................................................. 41
6.1.5 Connection with cable lug for explosion-protected machines ..................................................... 42
6.1.6 Connecting protruding cables ..................................................................................................... 42
6.1.7 Cable glands ............................................................................................................................... 42
6.1.7.1 Mounting position of sheet metal nuts in screw-type connections .............................................. 43
6.1.8 Terminal box ............................................................................................................................... 44
6.1.8.1 General ........................................................................................................................................ 44
6.1.8.2 Versions ...................................................................................................................................... 45
6.1.8.3 Protruding connection cables ...................................................................................................... 47
6.1.8.4 Connecting the temperature sensor/anti-condensation heater ................................................... 48
6.1.8.5 Cable entry .................................................................................................................................. 50
6.1.8.6 Thread sizes in terminal box ....................................................................................................... 51
6.2 Tightening torques ...................................................................................................................... 53
6.2.1 Electrical connections - Termincal board connections ................................................................ 53
6.2.2 Cable glands ............................................................................................................................... 54
6.2.3 Terminal boxes, end shields, grounding conductors, sheet metal fan covers ............................ 54
6.3 Conductor connection ................................................................................................................. 55
6.3.1 General information on conductor connection ............................................................................ 55
6.3.2 Type of conductor connection ..................................................................................................... 56
Connecting the grounding conductor .......................................................................................... 59
6.4
6.4.1 General information on connecting the grounding conductor ..................................................... 59
6.4.2 Grounding connection type ......................................................................................................... 60
6.4.3 Minimum surface area of grounding conductor........................................................................... 61
6.4.4 Size of grounding conductor screw ............................................................................................. 62
6.5 Final measures ............................................................................................................................ 62
6.6 Connecting optional mounted components ................................................................................. 63
6.6.1 External fan, incremental encoder, brake ................................................................................... 63
6.6.1.1 Mounting a brake ........................................................................................................................ 63
6.6.1.2 Mounted external fan .................................................................................................................. 63
6.7 Connecting converters ................................................................................................................ 64
7 Commissioning ..................................................................................................................................... 67
7.1 Insulation resistance ................................................................................................................... 67
7.1.1 Testing the insulation resistance ................................................................................................. 67
7.2 Measures before start-up ............................................................................................................ 69
7.3 Switching on ................................................................................................................................ 71
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Operating Instructions, 05/2014, 5 610 00000 02 000
Low-voltage motors