Siemens SIMOTICS FD 1MQ1 Operating And Installation Instructions page 7

6.3.1 Terminal box 1XB1621...........................................................................................................69
6.3.2 Terminal box 1XB1631...........................................................................................................69
6.3.3 Terminal box 1XB7730...........................................................................................................70
6.3.4 Terminal box 1XB7731...........................................................................................................71
6.3.5 Terminal box 1XB7740...........................................................................................................71
6.3.6 Terminal box 1XB7750...........................................................................................................72
6.3.7 Rotating the terminal box .......................................................................................................72
6.3.8 Mounting/removing the terminal box ......................................................................................75
6.4 Preparation.............................................................................................................................76
6.4.1 Terminal designation..............................................................................................................76
6.4.2 Selecting cables .....................................................................................................................76
6.4.3 Connecting the grounding conductor .....................................................................................77
6.4.4 Connect metal shield in the terminal box ..............................................................................78
6.4.5 Connection without terminal box ............................................................................................78
6.4.6 Connecting the machine for a specific direction of rotation....................................................79
6.4.7 Undrilled entry plate ...............................................................................................................79
6.5 Inserting and routing the cables .............................................................................................80
6.5.1 Bringing cables into the terminal box 1XB... with sealing insert with break-off ring ...............80
6.5.2 Bringing cables into the terminal box 1XB... with cable gland................................................82
6.5.3 Certified cable entries, thread adapters and sealing plugs ....................................................82
6.5.4 Laying cables .........................................................................................................................83
6.5.5 Connecting cables with cable lugs .........................................................................................83
6.5.6 Connecting cables without cable lugs ....................................................................................84
6.5.7 Use of aluminum conductors..................................................................................................86
6.5.8 Using single-stranded cables .................................................................................................87
6.5.9 Internal equipotential bonding ................................................................................................87
6.5.10 Stepless mating face for the seal in the terminal box cover ..................................................87
6.5.11 Minimum air clearances .........................................................................................................88
6.5.12 Finishing connection work......................................................................................................88
6.6 Connecting the auxiliary circuits.............................................................................................89
6.6.1 Selecting cables .....................................................................................................................89
6.6.2 Bringing cables into the auxiliary terminal box and routing them ...........................................89
6.6.3 Intrinsically safe circuits for sensors or probes ......................................................................90
6.6.4 Connect metal shield in the terminal box ..............................................................................90
6.6.5 Connecting an external fan motor ..........................................................................................90
6.6.6 Connecting temperature monitoring for the stator winding ....................................................91
6.6.7 Terminating the connection work (auxiliary circuit) ................................................................92
7 Start-up.......................................................................................................................................................93
7.1 Checks to be carried out prior to commissioning ..................................................................93
7.2 Converter operation ...............................................................................................................94
7.3 Measuring the insulation resistance before commissioning...................................................95
7.4 Greasing the roller bearings prior to commissioning..............................................................95
7.5 Setting the automatic regreasing system ...............................................................................96
7.6 Commissioning an external fan..............................................................................................97
7.7 Setpoint values for monitoring the bearing temperature ........................................................98
7.8 Set values for monitoring the winding temperature................................................................98
SIMOTICS FD 1MQ1
Operating Instructions 01/2019
Table of contents
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