
3.4.1.1 Motor design ..................................................................................................................... 38
3.4.1.2 Motors with integrated cooling .......................................................................................... 38
3.4.2 Scope of delivery ............................................................................................................... 39
3.4.2.1 1FW6 external rotor built-in torque motors......................................................................... 39
3.4.2.2 Supplied pictograms .......................................................................................................... 39
3.4.3 Cooling.............................................................................................................................. 40
3.4.3.1 Cooling circuits .................................................................................................................. 40
3.4.3.2 Coolant.............................................................................................................................. 42
3.4.4 Temperature monitoring and thermal motor protection ...................................................... 44
3.4.4.1 Temperature monitoring circuits Temp-S and Temp-F.......................................................... 44
3.4.4.2 Technical features of temperature sensors.......................................................................... 47
4 Preparation for use .............................................................................................................................. 51
4.1 Shipping and packaging..................................................................................................... 52
4.2 Transporting and storage ................................................................................................... 53
4.2.1 Packaging specications for air transportation .................................................................... 54
4.2.2 Ambient conditions for long-term storage and transport..................................................... 54
4.2.3 Storage.............................................................................................................................. 56
5 Installation........................................................................................................................................... 57
5.1 Safety guidelines relating to installation ............................................................................. 57
5.2 Forces that occur between the stator and rotor................................................................... 60
5.3 Specications for mounting torque motors ......................................................................... 61
5.4 Procedure for installing the motor ...................................................................................... 63
5.5 Checking the work performed............................................................................................ 64
6 Connection........................................................................................................................................... 67
6.1 Cooler connection.............................................................................................................. 67
6.2 Electrical connection.......................................................................................................... 68
6.2.1 Safety instructions for electrical connections ...................................................................... 68
6.2.2 Important data for 1FW6 external rotor cables.................................................................... 70
6.2.2.1 Data of the power cable on the stator................................................................................. 70
6.2.2.2 Specications for the signal cable on the stator................................................................... 70
6.2.3 PIN assignments for the connectors.................................................................................... 71
6.2.4 Power connection.............................................................................................................. 72
6.2.5 Signal connection .............................................................................................................. 73
6.2.6 Circuit diagram of the motor .............................................................................................. 75
6.2.7 Shielding, grounding, and equipotential bonding ............................................................... 76
7 Commissioning .................................................................................................................................... 79
7.1 Safety instructions for commissioning ................................................................................ 79
7.2 Checklists .......................................................................................................................... 84
7.3 Checking the insulation resistance ..................................................................................... 86
7.4 Cooling.............................................................................................................................. 87
8 Operation............................................................................................................................................. 89
8.1 Safety guidelines for operation........................................................................................... 89
Table of contents
1FW6 external rotor built-in torque motors
4Operating Instructions, 03/2023, A5E49196960B AC