
Table of contents
1FW6 external rotor built-in torque motors
10 Configuration Manual, 12/2020, A5E50516483B AA
3.5 Maintenance and service intervals......................................................................................... 56
3.5.1 Safety instructions for maintenance....................................................................................... 56
3.5.2 Maintenance work.................................................................................................................. 62
3.5.3 Checking the insulation resistance ........................................................................................ 63
3.5.4 Inspection and change intervals for the coolant .................................................................... 64
4 Motor components and options ............................................................................................................. 65
4.1 Motor components ................................................................................................................. 65
4.1.1 Overview of the motor design ................................................................................................ 65
4.1.2 Temperature monitoring and thermal motor protection ......................................................... 66
4.1.2.1 Temperature monitoring circuits Temp-S and Temp-F.......................................................... 66
4.1.2.2 Technical features of the temperature sensors ..................................................................... 69
4.1.3 Encoder.................................................................................................................................. 71
4.1.4 Bearings ................................................................................................................................. 74
4.1.5 Brake concepts ...................................................................................................................... 75
4.2 Options................................................................................................................................... 78
4.2.1 Plug connector ....................................................................................................................... 78
4.2.2 Rotor flange variants.............................................................................................................. 78
5 Configuring ........................................................................................................................................... 79
5.1 Configuring software .............................................................................................................. 80
5.2 Configuring workflow.............................................................................................................. 81
5.2.1 General mechanical conditions.............................................................................................. 83
5.2.2 Type of duty cycle .................................................................................................................. 84
5.2.3 Torque-time diagram.............................................................................................................. 87
5.2.4 Selecting motors .................................................................................................................... 90
5.2.5 Uneven current load............................................................................................................... 90
5.2.6 Motor torque-speed diagram.................................................................................................. 91
5.2.7 Torque-speed requirements................................................................................................... 93
5.2.8 Checking the moments of inertia ........................................................................................... 94
5.2.9 Selecting the drive system components for the power connection........................................ 95
5.2.10 Calculation of the required infeed .......................................................................................... 96
5.2.11 Voltage Protection Module..................................................................................................... 96
5.3 Mounting ................................................................................................................................ 97
5.3.1 Safety instructions for mounting............................................................................................. 97
5.3.2 Forces that occur between the stator and rotor ................................................................... 101
5.3.3 Specifications for mounting the torque motor ...................................................................... 102
5.3.4 Procedure for installing the motor........................................................................................ 104
5.3.5 Cooler connection ................................................................................................................ 106
5.3.6 Checking the work performed .............................................................................................. 107
6 Technical data and characteristics .......................................................................................................109
6.1 Explanations......................................................................................................................... 110
6.1.1 Explanations of the formula abbreviations........................................................................... 110
6.1.2 Explanations of the characteristic curves ............................................................................ 115
6.2 Data sheets and characteristics........................................................................................... 117
6.2.1 1FW6720-xxB07-xxxx.......................................................................................................... 118
6.2.2 1FW6720-xxB10-xxxx.......................................................................................................... 121
6.2.3 1FW6720-xxB12-xxxx.......................................................................................................... 127
6.2.4 1FW6720-xxB14-xxxx.......................................................................................................... 130