Siemens SIMOTICS FD 1LN1 Operating Instructions & Installation Instructions page 7

5.4.4 Aligning the machine to the driven machine and attaching it to it (IM V1, IM V10) ................71
5.4.5 Axial and radial forces............................................................................................................71
5.5 Connecting the cooling water supply .....................................................................................72
6 Electrical connection...................................................................................................................................75
6.1 Safety instructions for the electrical connection .....................................................................75
6.2 Basic rules..............................................................................................................................75
6.3 Terminal box ..........................................................................................................................76
6.3.1 Terminal box 1XB1621...........................................................................................................77
6.3.2 Terminal box 1XB1631...........................................................................................................77
6.3.3 Terminal box 1XB7730...........................................................................................................78
6.3.4 Terminal box 1XB7731...........................................................................................................79
6.3.5 Terminal box 1XB7740...........................................................................................................79
6.3.6 Terminal box 1XB7750...........................................................................................................80
6.3.7 Rotating the terminal box .......................................................................................................80
6.3.8 Mounting/removing the terminal box ......................................................................................83
6.4 Preparation.............................................................................................................................84
6.4.1 Terminal designation..............................................................................................................84
6.4.2 Selecting cables .....................................................................................................................84
6.4.3 Connecting the grounding conductor .....................................................................................85
6.4.4 Connection without terminal box ............................................................................................86
6.4.5 Connecting the machine for a specific direction of rotation....................................................87
6.4.6 Undrilled entry plate ...............................................................................................................87
6.5 Inserting and routing the cables .............................................................................................88
6.5.1 Bringing cables into the terminal box 1XB... with sealing insert with break-off ring ...............88
6.5.2 Bringing cables into the terminal box 1XB... with cable gland................................................89
6.5.3 Laying cables .........................................................................................................................90
6.5.4 Connecting cables with cable lugs .........................................................................................90
6.5.5 Connecting cables without cable lugs ....................................................................................91
6.5.6 Use of aluminum conductors..................................................................................................93
6.5.7 Using single-stranded cables .................................................................................................93
6.5.8 Internal equipotential bonding ................................................................................................93
6.5.9 Stepless mating face for the seal in the terminal box cover ..................................................94
6.5.10 Minimum air clearances .........................................................................................................94
6.5.11 Finishing connection work......................................................................................................95
6.6 Connecting the auxiliary circuits.............................................................................................95
6.6.1 Selecting cables .....................................................................................................................95
6.6.2 Bringing cables into the auxiliary terminal box and routing them ...........................................96
6.6.3 Connecting an external fan motor ..........................................................................................96
6.6.4 Connecting temperature monitoring for the stator winding ....................................................97
6.6.5 Terminating the connection work (auxiliary circuit) ................................................................98
7 Start-up.......................................................................................................................................................99
7.1 Checks to be carried out prior to commissioning ..................................................................99
7.2 Converter operation .............................................................................................................101
7.3 Measuring the insulation resistance before commissioning.................................................101
7.4 Greasing the roller bearings prior to commissioning............................................................102
SIMOTICS FD 1LN1
Operating Instructions 01/2019
Table of contents
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