Siemens SIMOTICS FD 1LH1 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) ................69
5.4.5 Axial and radial forces............................................................................................................69
5.5 Connecting the cooling water supply .....................................................................................70
6 Electrical connection...................................................................................................................................73
6.1 Safety instructions for the electrical connection .....................................................................73
6.2 Basic rules..............................................................................................................................73
6.3 Terminal box ..........................................................................................................................74
6.3.1 Terminal box GT640 ..............................................................................................................74
6.3.2 Terminal box 1XB1621...........................................................................................................75
6.3.3 Terminal box 1XB1631...........................................................................................................76
6.3.4 Terminal box 1XB7730...........................................................................................................77
6.3.5 Terminal box 1XB7731...........................................................................................................77
6.3.6 Terminal box 1XB7740...........................................................................................................78
6.3.7 Terminal box 1XB7750...........................................................................................................79
6.3.8 Rotating the terminal box .......................................................................................................79
6.3.9 Mounting/removing the terminal box ......................................................................................82
6.4 Preparation.............................................................................................................................83
6.4.1 Terminal designation..............................................................................................................83
6.4.2 Selecting cables .....................................................................................................................83
6.4.3 Connecting the grounding conductor .....................................................................................83
6.4.4 Connection without terminal box ............................................................................................85
6.4.5 Connecting the machine for a specific direction of rotation....................................................85
6.4.6 Undrilled entry plate ...............................................................................................................86
6.5 Inserting and routing the cables .............................................................................................86
6.5.1 Bringing cables into the terminal box GT640 with cable gland ..............................................86
6.5.2 Bringing cables into the terminal box 1XB... with sealing insert with break-off ring ...............87
6.5.3 Bringing cables into the terminal box 1XB... with cable gland................................................88
6.5.4 Laying cables .........................................................................................................................89
6.5.5 Connecting cables with cable lugs .........................................................................................89
6.5.6 Connecting cables without cable lugs ....................................................................................90
6.5.7 Use of aluminum conductors..................................................................................................92
6.5.8 Using single-stranded cables .................................................................................................92
6.5.9 Internal equipotential bonding ................................................................................................92
6.5.10 Stepless mating face for the seal in the terminal box cover ..................................................93
6.5.11 Minimum air clearances .........................................................................................................93
6.5.12 Finishing connection work......................................................................................................94
6.6 Connecting the auxiliary circuits.............................................................................................94
6.6.1 Selecting cables .....................................................................................................................94
6.6.2 Bringing cables into the auxiliary terminal box and routing them ...........................................95
6.6.3 Connecting temperature monitoring for the stator winding ....................................................95
6.6.4 Terminating the connection work (auxiliary circuit) ................................................................96
7 Start-up.......................................................................................................................................................97
7.1 Checks to be carried out prior to commissioning ..................................................................97
7.2 Converter operation ...............................................................................................................99
7.3 Measuring the insulation resistance before commissioning...................................................99
7.4 Greasing the roller bearings prior to commissioning............................................................100
SIMOTICS FD 1LH1
Operating Instructions 01/2019
Table of contents
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