Sensors & Transducers


Coded safety switch with electromagnetic locking

April 2013 Sensors & Transducers

Comitronic-BTI the French manufacturer of machine safety products has announced the SuperMagnet locking system, to prevent the accidental opening of machine guards while dangerous machinery is still in motion.

The range exists in two versions, one is locking when energised and the other is unlocked when energised. Both versions use robust electromagnets mounted in stainless steel, resistant to shock and impact, and are suitable for harsh environments where regular wash down procedures use aggressive detergents. Also incorporated is a coded non-contact safety switch. This uses the Actom 2 process to ensure that it is not possible to override or defeat the safety system, rated PLd when wired to one of the Comitronic Awax modules.

In operation the system allows users to keep doors closed as well as to monitor the safety function. When doors are opened, the coded safety contacts change state.

For more information contact Rodney Topham, RET Automation, +27 (0)11 453 2468, [email protected], www.retautomation.com



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