Schmersal AZ300 mechatronic safety switch

Monday, 24 February, 2014 | Supplied by: Control Logic Pty Ltd

The Schmersal AZ300 mechatronic safety switch features an RFID-based electronic safety sensor and an IP69K rating.

With its distinctive external Maltese-cross-shaped cam design, the device can accept the actuator from any of three sides, providing mounting flexibility for either left or right-hinged doors, or sliding guards. It also has integrated a radio frequency identification (RFID) sensor to detect the actuator and indicate a closed guard. This non-contact operating principle limits wear on components, tolerates misalignment and provides the option of individual coding: The basic version of the sensor responds to any AZ300 target actuator; the “I1’ version only accepts the coded ID number of the specific target actuator which is taught-in during the first start-up; the ‘I2’ version allows the teach-in process to be repeated, allowing replacement of a lost or damaged actuator.

The device features all of the diagnostic advantages of the company’s Pulse Echo sensors. With continuous internal function tests and monitoring of the safety outputs, the device can be wired in series without detriment to the safety levels. Diagnostic LEDs on the sensor indicate various errors, misalignment and door open/closed signalling. For more advanced indication, the switch is also available with serial diagnostics.

The device has adjustable latching which provides a holding force of 25 or 50 N. The AZ300 actuator includes a dampener pad so that the switch can be used as a door stop for small to medium-sized guard doors. Lockout/tag out can be achieved by placing padlocks through the key of the actuator, preventing the guard closing.

The device meets the requirements of Cat 4, Performance Level e or Safety Integrity Level 3 and, because of its protection class IP69K, it is also suitable for use in hygiene-sensitive areas.

Phone: 1800 557 705
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