Siemens SIMOTICS 1LE8 Operating Instructions Manual page 135

5.5.2.1 Selecting bolts ................................................................................................................... 180
5.5.2.2 Horizontal types of construction with mounting feet .......................................................... 181
5.5.2.3 Horizontal types of construction with flange ...................................................................... 181
5.5.2.4 Vertical types of construction with flange ........................................................................... 182
5.5.3 Removing the rotor shipping brace ..................................................................................... 182
5.5.4 Recommended alignment accuracy .................................................................................... 182
5.5.5 Mounting the drive output elements .................................................................................. 183
6 Electrical connection ........................................................................................................................... 187
6.1 Safety instructions for the electrical connection.................................................................. 187
6.2 Connecting the motor ........................................................................................................ 188
6.2.1 Selecting cables ................................................................................................................. 188
6.2.2 Terminal box ..................................................................................................................... 189
6.2.2.1 Circuit diagram inside the terminal box cover ..................................................................... 189
6.2.2.2 Auxiliary terminal connection............................................................................................. 189
6.2.2.3 Direction of rotation .......................................................................................................... 191
6.2.2.4 Terminal marking .............................................................................................................. 192
6.2.2.5 Protruding connection cables ............................................................................................. 192
6.2.2.6 Connecting protruding cables ............................................................................................ 193
6.2.2.7 Connection with/without cable lugs ................................................................................... 193
6.2.2.8 Minimum air clearances ..................................................................................................... 193
6.2.3 Screw-type connections with connecting thread................................................................. 194
6.3 Tightening torques ............................................................................................................ 194
6.3.1 Glands, sealing plugs and thread adapters .......................................................................... 194
6.4 Connecting the grounding conductor ................................................................................. 194
6.4.1 Minimum surface area of grounding conductor .................................................................. 195
6.4.2 Grounding connection type................................................................................................ 195
6.5 Connecting the temperature sensor/anti-condensation heater ............................................ 196
6.6 Motor connection .............................................................................................................. 197
6.6.1 Connecting aluminum conductors ...................................................................................... 197
6.7 Connecting converters ....................................................................................................... 198
6.8 Final checks ....................................................................................................................... 199
7 Commissioning .................................................................................................................................... 201
7.1 Measures before commissioning ........................................................................................ 201
7.1.1 Checks to be carried out prior to commissioning ................................................................. 201
7.1.2 Mechanical and electrical check ......................................................................................... 202
7.1.3 Converter operation ........................................................................................................... 203
7.1.4 Insulation resistance and polarization index ....................................................................... 203
7.1.5 Testing the cooling of the motor ........................................................................................ 204
7.1.6 Commissioning a separately driven fan .............................................................................. 204
7.1.7 Further documents ............................................................................................................ 205
7.1.8 Setpoint values for monitoring the bearing temperature .................................................... 205
7.2 Switching on ..................................................................................................................... 206
7.2.1 Test run ............................................................................................................................. 207
8 Operation ............................................................................................................................................. 209
8.1 Safety instructions for operation ........................................................................................ 209
1LE8 轴高 80 ... 355
操作说明, 11/2022, A5E52373573A
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