
4.5 Cooling.............................................................................................................................. 46
4.5.1 Motors with natural cooling ............................................................................................... 46
4.5.2 Motors with forced ventilation ........................................................................................... 46
4.5.3 Thermal mounting variants ................................................................................................ 48
4.5.4 Thermal motor protection .................................................................................................. 49
4.6 Holding brake .................................................................................................................... 50
4.6.1 Types and modes of operation of the holding brakes .......................................................... 50
4.6.2 Properties .......................................................................................................................... 51
4.6.3 Technical specications ...................................................................................................... 51
4.7 Options ............................................................................................................................. 55
5 Preparing for use ................................................................................................................................. 57
5.1 Shipping and packaging..................................................................................................... 57
5.2 Transportation and storage ................................................................................................ 59
5.2.1 Transport........................................................................................................................... 59
5.2.2 Storage.............................................................................................................................. 64
6 Mounting ............................................................................................................................................. 67
6.1 Safety instructions ............................................................................................................. 67
6.2 Checklists prior to mounting .............................................................................................. 69
6.3 Mounting instructions........................................................................................................ 70
6.4 Mounting the feather key................................................................................................... 72
6.5 Pulling on drive output elements........................................................................................ 73
6.6 Vibration response............................................................................................................. 75
7 Connecting .......................................................................................................................................... 77
7.1 Safety instructions ............................................................................................................. 77
7.2 Permissible line system types ............................................................................................. 78
7.3 System integration............................................................................................................. 79
7.3.1 Connection notes............................................................................................................... 79
7.3.1.1 Motor connection .............................................................................................................. 79
7.3.1.2 Rotating the connector on the motor.................................................................................. 80
7.3.1.3 Handling the quick-action locking....................................................................................... 82
7.3.1.4 Routing cables in a damp environment............................................................................... 84
7.3.2 Line connection ................................................................................................................. 84
7.3.3 Signal connection .............................................................................................................. 88
7.3.4 Fan connection .................................................................................................................. 90
8 Commissioning .................................................................................................................................... 93
8.1 Safety instructions ............................................................................................................. 93
8.2 Checklists for commissioning ............................................................................................. 96
8.3 Commissioning procedure.................................................................................................. 99
8.4 Switching on and switching o ........................................................................................ 100
Table of contents
SIMOTICS S-1FT2 synchronous motors for SINAMICS S120
4Operating Instructions, 12/2023, A5E50610821B AF