SICK DFS60S Pro safety encoder and FX3-MOC0 drive monitor

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With its DFS60S Pro safety encoder and FX3-MOC0 drive monitor, SICK has expanded its portfolio of solutions for the safe monitoring of the drives in mobile and stationary applications.

The trend towards a growing number of levels of freedom in the movement of automated guided vehicles (AGVs) represents a challenge for the safe monitoring of vehicle movement. The advantages of the DFS60s Pro are seen in safe detection of the direction of motion and turning on-the-spot by means of differential drives. If non-safety-certified encoders were used, these complex movements could not be implemented without greater expenditure on control technology. Safety-certified encoders can also be of benefit for stationary drive axes and asynchronous motors because they make a second redundant encoder for maintaining the safety function unnecessary up to SIL2 or PL d.

The FX3-MOC0 drive monitor partners with the DFS60S Pro for implementing consistent safety concepts from the sensor to the actuator via the controller. Numerous safety functions are easily and practically handled with the help of the drive monitor. It is used with the encoder for the safe monitoring of the drives of mobile machines, such as AGVs. With the help of Safe Speed Monitor (SSM) and Safety Limited Speed (SLS) safety functions, the speed of an AGV can be monitored via the safe DFS60S Pro encoder at the wheels and, if necessary, reduced. A vehicle emergency stop can be triggered and safely monitored with Safe Brake Control (SBC) and Safe Stop 1 and Safe Stop 2 (SS1 and SS2) drive monitoring functions.

As a certified safety product, the DFS60S Pro encoder together with the FX3-MOC0 drive monitor provide the opportunity for implementing comprehensive safety solutions from a single source in mobile and stationary applications. Machine constructors and integrators can save time during safety engineering and approval procedures.