FEATURE Sensors & Sensing Systems
T
he latest range of OM70 laser distance sensors available from Baumer are
designed to provide reliable and precise inline measurements, even on more ‘challenging’ and inconsistent structured surfaces and materials. They also include the very latest connectivity options for outstanding usability and fast analysis for quick and easy sensor adjustment via the intuitive Baumer web interface feature. OM70 sensors feature one of the
thinnest beam shapes compared to other types of laser sensors and this is crucial in helping to ensure a more precise measuring focus. For example, most point type lasers typically only go down to 0.2mm x 0.75mm, whereas the OM70 goes down to 0.05mm x 0.05mm. This feature optimises the sensor’s receiving array enabling it to fully exploit the information content and minimises measuring impairments caused by irregularities such as machining marks, tiny scratches or dents which can impair the performance of other types of laser sensors. The range includes options which cover a
wide range of measuring and sensor applications. For example, the OM70 offers the highest precision at the closest ranges with precise inline measurement and a selectable range with a ‘sweet spot’ up to 250mm. This means reliable measurement regardless of the object thanks to its point and line beam shapes. A second option is available which ensures reproducibility of long distance measurements up to 1,500mm. Along with these is the OM70-T which
provides tolerance measurement and dimensional accuracy checks, essentially an even more high performance option for demanding measuring applications. This is crucial in helping to improve
product quality with non-contact dimensional accuracy checks and can also be quickly adjusted to the measurement task using the integrated web interface. The precise and reliable performance
characteristics apply across the OM70 range. This means users have the confidence of unrivalled measurement, compared to other options available, particularly in the most challenging environmental conditions like
INDUSTRY UPDATE
poor ambient light, or dusty environments. For example, OM70 sensors have high ambient light immunity up to 28kLux whereas most other options only go up to 7.5kLux. In addition an automatic light adaption function which can power itself up means the sensors can see through dark or dusty environments and receive a stable reflection back. Finally, reliable results and measurements can be achieved, even on demanding surfaces, thanks to the extra fine line beam and stable measurement signals, thanks to functions such as automatic exposure control and adjustable filters.
SICK’s SIG200 is an IO-Link Master and Control System in One
distributed control systems in one. It makes light work of configuring localised sensor applications and, at the same time, opens up high-speed transfer of sensor status, parameter and diagnostics data with enterprise-level or cloud-based systems. SICK’s SIG200 Sensor Integration Gateway is an IO-Link Master with an on-board web server
S
that collects, combines, evaluates and transmits signals from IO-Link devices from any manufacturer. SICK’s innovative DualTalk technology means the SIG200 needs only one cable to communicate simultaneously via the fieldbus with the machine controller and with higher- level enterprise or web-based systems. Data can be integrated transparently into both common PLC environments and higher-level
systems. The SIG200’s built-in logic and remote intelligence make it quick and easy for engineers to create and run distributed sensor applications, even independently of the PLC. “The beauty of the SIG200 is that it offers all the Industry 4.0 benefits of setting up a
system using an IO-Link Master, PLC and sensors. Alternatively, it opens a second route, where you can by-pass the PLC and create your own data gathering system linking straight to the cloud,” explains David Hannaby, SICK’s UK Product Manager for Presence Detection. “Engineers will find it easy to configure and visualise an automation solution with the SIG200,”
Hannaby continues: “The SOPAS logic editor has a great drag and drop function so you can visualise all the connected sensor and actuator signals and measured values without the need for special software knowledge. It saves a huge amount of programming time, effort and cost. “Process control functions, for example activating a mechanical pusher to reject products
from a conveyor system, can be configured and set to operate autonomously without the need for the PLC. So, the communication load in the fieldbus is reduced at the same time.”
SICK
automationmagazine.co.uk
www.sick.co.uk Automation | April 2020 21
ICK has unveiled its SIG200 PROFINET Sensor Integration Gateway, the first in a family of intelligent Industry 4.0 gateways designed to work as both IO-Link Masters and small,
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