Description of the module
05/STM-48V/en/2011-04-01/CW 17
5 Description of the module
5.1 STM torque motor
5.1.1 Design and description of the STM
1 Basic carrier (fixed)
2 Rotor (moving)
3 Bearing flange
4 Sealing flange
5 Plug connection
6 Plug (sensor cable)
7 Plug (power cable)
Figure 1 Components
The STM is a completely mounted, permanently excited synchro-
nous motor in a cylindrical housing with a center bore.
The STM has an integrated measuring system. A temperature
sensor is integrated in the motor winding.
The STM belongs to the category of torque motors. The
typical characteristics of a torque motor are its high torque, low
speeds and a strong rigidity.
The STM is used typically for rotating and pivoting of large
masses. The center bore can be used as a media feed-through.
The STM must be operated using a controller. The following op-
erating modes can be set:
• Torque-controlled
• Speed-controlled
• Position-controlled
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