Siemens S7-300 - 1 Product overview; 1.2 Using Fail-Safe Signal Modules

Product overview
2.3 Configuration of an electronic cam control with FM 352
FM 352 electronic cam controller
Operating Instructions, 05/2011, A5E01071724-03
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2.3 Configuration of an electronic cam control with FM 352
Components of the electronic cam control
The figure below shows the components of an electronic cam control. These are described
briefly below.
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Figure 2-2 Electronic cam control
Power drive and safety system
The motor is controlled by the power drive. The power drive may consist of a contactor
circuit which is controlled by an FM 351 positioning module.
The power drive shuts off the motor if the safety system responds (EMERGENCY STOP or
limit switch).
Motor
The motor drives the axis, controlled by the power drive.