Siemens SINAMICS S120 Manual page 24

Table of contents
12.5.4 Shield connection for terminals X21/X22 on the Motor Module ........................................... 692
12.6 24 V DC supply voltage ....................................................................................................... 693
12.6.1 General information ............................................................................................................. 693
12.6.2 Options for the 24 V supply of the components ................................................................... 694
12.6.3 Overcurrent protection ......................................................................................................... 696
12.6.4 Overvoltage protection ......................................................................................................... 697
12.6.5 Typical 24 V current consumption of the components ......................................................... 699
12.6.6 Selecting power supply units ............................................................................................... 703
12.7 Connection systems ............................................................................................................. 704
12.7.1 DRIVE-CLiQ signal cables ................................................................................................... 704
12.7.1.1 Overview .............................................................................................................................. 704
12.7.1.2 DRIVE-CLiQ signal cables without 24 V DC cores .............................................................. 705
12.7.1.3 DRIVE-CLiQ signal cables MOTION-CONNECT with RJ45 connectors ............................. 706
12.7.1.4 DRIVE-CLiQ signal cables MOTION-CONNECT with RJ45 plug and M12 socket ............. 706
12.7.1.5 Comparison of DRIVE-CLiQ signal cables .......................................................................... 708
12.7.1.6 Connecting a direct measuring system ................................................................................ 710
12.7.1.7 Combined use of MOTION-CONNECT 500 and MOTION-CONNECT 800PLUS .............. 711
12.7.2 Power cables for motors ...................................................................................................... 712
12.7.2.1 Configuring the cable length ................................................................................................ 712
12.7.2.2 Comparison of MOTION-CONNECT power cables ............................................................. 713
12.7.3 Current-carrying capacity and derating factors for power cables and signal cables ........... 714
12.7.4 Maximum cable lengths ....................................................................................................... 716
12.7.5 Connectable conductor cross-sections and tightening torques for motor and power
cables ................................................................................................................................... 717
12.7.6 Motor connection connector ................................................................................................. 720
12.7.6.1 Mounting on the Motor Module ............................................................................................ 720
12.7.6.2 Attaching the motor connector to self-fabricated cables ...................................................... 723
12.7.6.3 Removing the motor connector from prefabricated power cables ....................................... 727
12.7.6.4 Coding .................................................................................................................................. 729
12.7.7 Spring-loaded terminals ....................................................................................................... 730
12.7.8 Screw terminals.................................................................................................................... 730
12.7.9 Cable lugs ............................................................................................................................ 732
12.7.10 Handling restrictor collars for touch protection .................................................................... 733
12.8 Cable shielding and routing ................................................................................................. 734
12.9 Protective connection and equipotential bonding ................................................................ 736
12.10 Information on cold plate cooling ......................................................................................... 739
12.10.1 General information ............................................................................................................. 739
12.10.2 Cold plate with external air heat sink ................................................................................... 741
12.10.2.1 Configuration and conditions ............................................................................................... 741
12.10.2.2 Setup example, drive line-up, cold plate with external air heat sink .................................... 742
12.10.3 Cold plate with an external liquid heat sink .......................................................................... 744
12.10.3.1 Configuration and conditions ............................................................................................... 744
12.10.3.2 Setup example, drive-line-up, cold plate with external liquid heat sink ............................... 745
12.11 Notes on electrical cabinet cooling ...................................................................................... 746
12.11.1 Control cabinet cooling options ............................................................................................ 746
12.11.2 General information on ventilation ....................................................................................... 747
12.11.3 Cooling clearances .............................................................................................................. 749
12.11.4 Notes on ventilation with cold plate ..................................................................................... 754
12.11.5 Dimensioning Climate Control Equipment ........................................................................... 755
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Booksize Power Units
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8