ROBOTICS
obotics expert Solent Automation has selected remote I/O products from the Weidmüller u-remote range for use in palletisers it has supplied to Zidac Laboratories, a specialist manufacturer of hand hygiene and disinfectant products. The palletisers, which incorporate FANUC robots, are now in regular service handling large quantities of sanitiser products for the NHS and other organisations to help them deal with the coronavirus pandemic. Zidac Laboratories has pledged to donate £1 million worth of the products to healthcare organisations and charities. At the time of writing, it is more than halfway towards achieving this target, having gifted products to organisations that include St Barts Hospital in London, Queen Alexandra Hospital in Portsmouth and Medical Supply Drive.
To help meet the large demand for sanitiser, the palletisers are designed to operate at high speed, taking boxes of bottles and loading them on to pallets at a rate of 16 boxes per minute. The boxes are lifted by vacuum heads attached to the robot arm, with overall control for the pick- and-place process being provided by the programmable automation system built into the robot. The built-in automation system, however, had limited I/O capacity and, in this application, the designers at Solent Automation found that they needed additional I/O to control the vacuum head and its associated equipment. “We looked at a number of options for expanding the I/O capacity of the robot control system,” said Scott Sidwell, chief technical officer at Solent Automation, “and, after carefully weighing up the pros and cons of each, we ultimately decided that u-remote products from Weidmüller were the best match for our needs.” “The modules in this range offer Ethernet IP connectivity,” he continued, “which means that they interface directly with the FANUC systems without the need to download or install special software. They’re also very compact, so they are easy to accommodate on the palletiser
U–REMOTE SUPPORTS SANITISER SUPPLY R
u-remote products best matched Solent Automation’s needs
Weidmüller is working with a systems integrator to help customise robotic palletisers
and – a particularly important point for us – they’re readily available. In fact, in one instance when working to a particularly tight deadline, Weidmüller was able to supply the modules we needed within two days of us placing the order!”
Other benefits offered by the u- remote modules which were important in this application include integral LED indicators that provide instant visual
confirmation of the status of each individual I/O, and high power- handling
capacity – each input and output current path can provide up to 10 A
without the need for additional power-feed modules. For the palletisers, Solent Automation used three types of module. These provide 16 digital inputs, 16 digital outputs and analogue inputs. All were chosen from the IP20 range and therefore were installed in a cabinet where the
compact and modular design complemented the space-saving demands of the application. “We’ve now used Weidmüller u-remote modules on three palletisers for Zidac Laboratories,” said Sidwell, “and we’re very happy with them. They give us a lot
of extra flexibility to customise the
palletisers so that they meet the specific requirements of each application. A very welcome bonus is that they’re so easy to use; they worked first time straight out of the box, without any need for complicated setting up and they’ve proved to be completely reliable.”
https://vimeo.com/500097664
https://vimeo.com/467051392
Weidmüller
www.weidmuller.co.uk
24 JUNE 2021 | PROCESS & CONTROL
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