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Siemens 1LA8 Operating & Installation Instructions Manual Page 7

Low-voltage motor simotics tn series n-compact.
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6.3.1
Checking winding connections...............................................................................................71
6.3.2
Terminal designation..............................................................................................................72
6.3.3
Selecting cables.....................................................................................................................72
6.3.4
Connecting the grounding conductor.....................................................................................72
6.3.5
Connect metal shield in the terminal box ..............................................................................73
6.3.6
Radio-frequency grounding for converter operation...............................................................73
6.3.7
Connection without terminal box............................................................................................74
6.3.8
Connecting the machine for a specific direction of rotation....................................................75
6.4
Introducing and routing the cables.........................................................................................75
6.4.1
Inserting the cable into the 1XB16... terminal box with cable gland ......................................75
6.4.2
Certified cable entries, thread adapters and sealing plugs....................................................76
6.4.3
Inserting the cable into the 1XB.. terminal box with ring seal.................................................77
6.4.4
Laying cables.........................................................................................................................78
6.4.5
Connecting cables with cable lugs.........................................................................................78
6.4.6
Connection without cable lugs...............................................................................................79
6.4.7
Use of aluminum conductors..................................................................................................81
6.4.8
Using single-stranded cables.................................................................................................82
6.4.9
Internal equipotential bonding................................................................................................82
6.4.10
6.4.11
Minimum air clearances.........................................................................................................83
6.4.12
Finishing connection work......................................................................................................83
6.5
Connecting the auxiliary circuits.............................................................................................83
6.5.1
Selecting cables.....................................................................................................................83
6.5.2
Bringing cables into the auxiliary terminal box and routing them...........................................84
6.5.3
Connect metal shield in the terminal box ..............................................................................85
6.5.4
Intrinsically safe circuits for sensors or probes......................................................................85
6.5.5
Connecting temperature monitoring for the stator winding....................................................85
6.5.6
Terminating the connection work (auxiliary circuit)................................................................86
7
Start-up.......................................................................................................................................................87
7.1
Checks to be carried out prior to commissioning ..................................................................87
7.2
Converter operation...............................................................................................................88
7.2.1
Operation on a converter with a low pulse frequency............................................................89
7.3
Measuring the insulation resistance before commissioning...................................................89
7.4
Greasing the roller bearings prior to commissioning..............................................................90
7.5
Setpoint values for monitoring the bearing temperature........................................................91
7.6
Set values for monitoring the winding temperature................................................................91
7.7
Test run..................................................................................................................................92
7.8
De-energizing.........................................................................................................................93
8
Operation....................................................................................................................................................95
8.1
Safety guidelines in operation................................................................................................95
8.2
Operation in hazardous areas................................................................................................96
8.3
Switching off the anti-condensation heating...........................................................................97
8.4
Switching on the machine......................................................................................................98
8.5
Regreasing roller bearings.....................................................................................................98
SIMOTICS TN Series N-compact 1LA8
Operating Instructions 08/2017
Table of contents
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