Page 39 - Industrial Technology July 2021

SYSTEMS INTEGRATION

usually used for the order the distance to the opposing wall at the end of the rack
specific storage or retrieval aisle. In this way the shuttle can be moved with millimetre
of palletised or otherwise accuracy to the position at which products are to be
packaged products in loaded or deposited.
tightly packed, multilevel
warehouses. The transport Eliminating positioning errors
carriages of such rack As the laser sensors measure across large distances using
feeders move both in a a small point of laser light, such a solution can be used
horizontal and in a vertical even in the case of extremely long racks, with an absolute
direction. accuracy of 1mm or 3mm depending on the requirements
The sensors are attached to the masts of of the application, so that here too positioning errors can
the rack feeders and measure with millimetre be avoided. I
precision the positions at which the rack compartments n addition, the wide temperature range means that use
are to be served, both in a horizontal and in a vertical in different storage environments is possible, for example,
direction. They avoid typical, and potentially cumulative, in food warehouses, distribution centres for frozen foods,
Furthermore, a temperature range of -10°C to positioning errors that can occur with wheel encoders as a storage facilities for small items or in long goods storage
+50°C is usually sufficient for indoor applications. An result of slippage. Also, when the system is restarted, the systems.
analogue output with 0/4mA to 20mA, serial interfaces as laser sensor immediately measures the correct position The benefits to intralogistics can also be applied to
well as digital inputs and outputs are integrated as without the need for extra commissioning or a reference other sectors and industries, for example, the
standard. PROFINET, EtherNet/IP and EtherCAT are run. measurement of logs prior to further machining or the
available as options. These are installed by simply A similar application case is that of automatic storage cutting of steel tubes to size. Other applications are
changing the interface module of the sensor. and retrieval systems (ASRS) that are used for order collision prevention for cranes or the control or monitoring
processing and warehousing in many distribution centres. of lock gates. The long distance laser sensors are in their
Application example: intralogistics They allow product storage and retrieval even in tightly element wherever fast and accurate measurement over
There are many application examples for long distance packed, multilevel warehouses. To this end, a transport large distances are required in order to ensure precise
laser sensors "Made in Switzerland", for example, in shuttle runs along a horizontal line parallel to the racks. positioning.
intralogistics: In distribution centres, rack feeders are The sensor installed in the carriage continuously measures MORE INFORMATION: www.dimetix-uk.com

Series 7L
TURN YOUR IDEAS
INTO SOLUTIONS

Pressure Ranges 0…5 to 0…200 bar

Accuracy ±0,5 %FS
Long Term Stability ±0,25 %FS
Dimensions ø 15 mm x 5 mm
Operational Temperature Range -20…100°C

keller-druck.com/custom-solutions