Table 3-2 Machine design with type of protection Ex ec.............................................................................24
Table 3-3 Data on the rating plate...............................................................................................................26
Table 3-4 Roller-contact bearing variants....................................................................................................27
Table 3-5 Roller bearings designs for high-speed version..........................................................................28
Table 3-6 Assignment of shaft heights to terminal boxes............................................................................29
Table 4-1 Space required for removing/fitting the external fan....................................................................34
Table 5-1 Stator winding insulation resistance at 40° C..............................................................................52
Table 5-2 Permissible deviations for aligning the machine with flexible coupling.......................................63
Table 6-1 Terminal designations using the 1U1-1 as an example..............................................................72
Table 6-2 Determining the cross-section of the grounding conductor.........................................................72
Table 6-3 Connection technology (with cable lug / connection without cable lug)......................................75
Table 6-4 Cable entry plate versions...........................................................................................................76
Table 6-5 Terminal boxes with onion sealing ring.......................................................................................77
Table 6-6 Minimum air clearance dependent on rms value of the alternating voltage U
rms
.........................83
Table 7-1 Set values for monitoring the bearing temperatures before commissioning...............................94
Table 7-2 Set values for monitoring the bearing temperatures in normal operation ..................................94
Table 7-3 Set values for monitoring the winding temperatures during commissioning...............................94
Table 7-4 Set values for monitoring the winding temperatures in normal operation ..................................95
Table 8-1 Electrical faults .....................................................................................................................105
Table 8-2 Mechanical faults.......................................................................................................................106
Table 8-3 Cooling system faults .............................................................................................................107
Table 8-4 Roller bearing faults .............................................................................................................108
Table 9-1 Checks after assembly or repair ...............................................................................................112
Table 9-2 Checks that have to be performed during the general inspection.............................................112
Table 9-3 Criteria for selecting roller bearing greases...............................................................................114
Table 9-4 Roller bearing greases for vertical and horizontal types of construction ..................................115
Table 9-5 Alternative greases with NLGI class 2 for motors of horizontal construction............................115
Table 10-1 Spare parts for stators and rotors ..........................................................................................137
Table 10-2 Spare parts for stators and rotors ............................................................................................138
Table 10-3 Spare parts for external fan .....................................................................................................139
Table 10-4 Spare parts for drive end roller bearings with bearing housing ................................................140
Table 10-5 Spare parts for drive end roller bearings without bearing housing ...........................................141
Table 10-6 Spare parts for roller bearings, DE............................................................................................142
Table 10-7 Spare parts for non-drive end roller bearings with bearing housing .........................................143
Table 10-8 Spare parts for non-drive end roller bearings without bearing housing ....................................144
Table 10-9 Spare parts for roller bearings, NDE ........................................................................................145
Table 10-10 Terminal box 1XB1621 spare parts...........................................................................................146
Table 10-11 Additional spare parts................................................................................................................147
Table 10-12 Additional spare parts for terminal box 1XB1631 with split cable entry.....................................148
Table of contents
SIMOTICS TN Series N-compact 1PQ8
10 Operating Instructions 11/2018