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Sponsored Article

Vibration resistant and robust safety light curtain

20 May 2016

Leuze electronic presents a new model in its MLC 500 safety light curtain series: The MLC 500/V was especially developed for applications under extreme acceleration or vibration stresses, such as on mechanical presses. 

At 29 x 35 mm the new model is extremely slim – like the entire series. Additional protection is offered by the vibration-dampening swivel mount BT-2R1-S, which compensates vibrations before they reach the instrument. That allows the MLC 500 to quickly and simply be installed and adjusted at the machine.

On “extended devices” of these V-models, the user can choose from three scan modes and therefore optimise the availability even under difficult environmental conditions. Fixed or adjustable beam blanking simplifies workpiece feed within the protective field, a feature that allows efficient integration of the safety light curtain into the production process.

Also new in the Leuze electronic product line are the L300 series safety locking devices. These devices recognise the actuator electronically through RFID technology. Unique code actuators feature an individually taught encoding. This prevents the locking device from ever being opened with another actuator from the L300 series. The actuators can have millions of different encodings and are therefore classified in the class of actuators with high encoding level acc. to EN ISO 14119.

The L300 series supports safety-related integration up to the highest safety level - performance level PL e in accordance with EN ISO 13849-1 and SIL 3 in accordance with EN 62061. The robust interlocking system with degrees of protection IP 67 and IP 69K guarantee a maximum locking force of 7500 N. That is one of the highest values available on the market today. Furthermore, the system holds the unlocked doors in position with a force of approximately 30 N and can thereby prevent them from being opened by vibrations or gusts of wind. An optional auxiliary release with lock and escape release button complement the optimal system design.

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