areas, or where light curtains would be obtrusive or prone to impact damage. The safe contour detection field is another

and reliability since it was launched in 2016. It’s innovative scanning principle is now offered across a complete family of short, medium and long-range devices. Key to Sick’s success with the microScan3

has been its patented time-of-flight scanning technology, safeHDDM (safe high definition distance measurement), which has achieved a level of measurement reliability never previously seen in laser scanners. Where conventional safety laser scanner

can analyse around 500 laser light pulses per scan cycle, the microScan3 with safeHDDM creates around 80,000 pulses per scan cycle. The patented, intelligent multi-signal evaluation used in safeHDDM processes the pulse data to discount false signals, so that precise, reliable and stable measurement values are output. As a result, the scanners achieve outstanding performance in challenging environments and

are ruggedly tolerant to dust, dirt, and difficult ambient lighting conditions, such as bright sunlight or other optical sensors nearby. They are highly reliable when detecting objects with low remissions, such as black clothing, for example.

Largest-ever range and response

With the launch of the nine-metre microScan3 earlier in 2019, Sick completed a versatile portfolio of 24 safety laser scanners with. options to suit every application. The microScan3’s newest protective field

range of nine metres is the longest on the market, and the 275° scanning angle the widest, producing an unprecedented 194m2 scanning area. Combined with response times of 90ms even at nine-metre range, the scanner is a best-in-class performer. With 128 individual and freely-definable

protective fields, and simultaneous monitoring of up to eight fields at a time, the response of a mobile machine can be fine- tuned to slow down, speed up and restart, while adapting dynamically to the changing environment around it. Forward warning fields can be set up to trigger a vehicle to slow down when a person or object is detected in its path, but only to stop when the protective field is reached.

Simultaneous monitoring

With simultaneous monitoring of multiple fields, there is less need for switching between monitoring cases, so systems are more responsive and efficient. Simultaneous field evaluation offers improved hazardous area protection around machinery, where using a standard I/O scanner with a single field offers limited coverage, for example at corners, in two or three-sided access to hazardous

unique feature of the microScan3 and supports applications such as safe AGV docking and protecting workers at narrow access points as well as providing signals for self-muting.

Network and device Integration

The addition of EtherNet/IP and Profinet compatible variants of both the microScan3 Core and microScan3 Pro has made it easy for machine builders to integrate safety laser scanners into a safe network and avoid the costly wiring and complex control systems needed for multiple standard I/O scanners. The Sick microScan3 EtherNet/IP supports

CIP Safety over EtherNet/IP and the microScan3 Profinet enables safe communication using the Profisafe protocol over Profinet. The introduction of Sick Flexi Soft EFI-pro

gateway has further facilitated simple and safe system integration via EtherNet/IP CIP Safety. Connected into Sick’s Flexi Soft modular safety controller, the system opens up simple integration options for EFI-Pro- enabled Sick sensors, including the microScan3, with third party CIP-Safety devices like robot controllers from all leading manufacturers, remote I/O modules and safety PLC’s, as well as easy integration with Sick safety encoders for Safe Motion Control or even the new Sick outdoorScan3 (the world’s first safety laser for use outdoors). With the EFI-Pro interface, up to six

microScan3 safety laser scanners can be connected with the Flexi Soft safety controller so that up to 48 simultaneous protective fields can be evaluated at the same time. As a result, complex and highly-productive Industry 4.0 applications can be realised simply and more efficiently.


Web: Tel: 01727 831121

Automation | June 2019 S5

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