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that are suitable, for example, for the complete pulse width modulation (PWM) of the motor supply.
machining of materials such as wood, plastic, glass In addition to STO, the Pro variant is equipped with
or metal. The sixth generation of KEB Automation a safe brake control (SBC) which provides a safe
drives offers scalable safety functions directly in the 24V supply for braking operation, as well as
drive controller. The device variants are Compact, monitoring of the switching status of the brake via
Application and Pro for the COMBIVERT F6 and S6, micro switch evaluation. Here, too, the safety
enabling selectable functions according to the functions and limit values can be flexibly adapted
requirements. via digital I/Os and/or Safety-over-EtherCAT (FSoE).
l In the Compact device variant, Safe-Torque-Off In addition, safe sensorless speed monitoring can be
(STO) is integrated as the basic function. used independently of the motor and therefore for a
l The Application device variant is available for large number of applications.
speed and position-dependent safety functions with
encoders. Flexible adaptation of the safety functions Safe machine functions
and limit values is possible via digital I/Os and/or The following safety functions are available for
Safety-over-EtherCAT (FSoE). processing machines:
l The Pro device variant offers possibilities for l SLS (Safely-Limited Speed): With the SLS
implementation in the area of encoderless safety. function, the drive reliably monitors the speed. If the
For example, safe solutions can be implemented in set speed limit is exceeded, an error reaction
applications where encoder mounting is not occurs, which is defined during project planning.
possible. This also results in a reduction in costs. The SLS function protects tools from overspeed.
The device determines l SLA (Safely-Limited Acceleration): For this
the safe velocity purpose, the SLA function monitors the acceleration
parameters from the ramps. It prevents the motor from exceeding the
defined limits during acceleration.

April 2020 • INDUSTRIAL TECHNOLOGY EXTRA! • p5