Light array sensors

Friday, 25 September, 2009 | Supplied by: Rockwell Automation Australia


The Allen-Bradley 45DLA discrete light array sensors and Allen-Bradley 45MLA measuring light array sensors utilise optical synchronisation and a small profile.

The 45DLA is a discrete on/off light array sensor with 30 mm resolution and integrated controller. Comprising five models - with sensing heights varying from 118 to 734 mm and a sensing range of up to 8 m - these sensors are suited to applications where products of different sizes, positions or orientation need to be detected.

The 45MLA is a measurement sensor with a fast reaction time and measurement speed and an operating range up to 4 m. Six models are available, ranging from 300 to 1200 mm in sensing height. These sensors can operate with a choice of three controller versions - supporting discrete I/O, RS485 or CAN protocols respectively - each offering a different communications platform that can be selected to function with a range of PLCs. Up to four separate sensing zones can be configured with independent outputs or, alternatively, individual beam status can be communicated via the serial protocol options.

The 45MLA sensor family can be used to measure varying heights of products to enable sorting of different product on a conveyor, or to determine where there are gaps in products, which can be invaluable in paint-spray applications.

Both models are rated to IP54 and with the operating temperature range of 0 to 55 °C for the 45MLA and -20 to +65 °C for the 45DLA, these array sensors can be used in relatively harsh industrial conditions.

Online: www.rockwellautomation.com/en-au.html
Phone: 03 9757 1111
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