Feature: Sensors
Part of this can be achieved by
introducing the control systems into the feedback loops that can use the large amounts of computational power available from cloud and edge computing. Ten, cloud servers can run AI models that learn how best to plan for changes in energy use in different parts of the production cycle or at different times of day; for example, to respond to weather and other environmental changes by ensuring systems such as HVACs and other heating or cooling process systems are working optimally and not wasting power. Maximising the efficient use of both
energy and materials comes from knowing when and how to operate the machinery. Industry 4.0 technologies use both short- and long-range communications to allow local control systems to share information. Examples of uses designed to save energy include ensuring that conveyors only run when products need moving around the plant, and machine tools being powered down when components are not being processed. Such systems make extensive use of sensors and computing platforms that receive data from across the plant and make decisions in real time based on that data. Here too, wireless protocols such as
Bluetooth, Wi-Fi and LoRaWAN make it easier to use sensors where they are most needed, starting with the most energy- intensive processes. Because of their flexibility, incorporating such sensors as well as cloud assistance avoids having to overhaul existing control systems, with the programmable logic controllers (PLCs) that manage individual machine tools oſten usable for many years.
Partnerships Te initial implementation of industrial automation usually requires large budgets with off-the-shelf products sourced from a small number of manufacturers. However, maintaining or upgrading an existing production line is very different, requiring quick response to avoid losses caused by equipment downtime. Any distributor chosen to help manage
maintenance and upgrades to a production line should offer several key characteristics – service level, product range, availability, warranty and scaleability. At the service level, the distributor’s logistic ability is crucial. Customers must receive the required products quickly, particularly important when parts are being replaced to minimise production line downtime. Tere are only a
When upgrading an existing production line to support growth, it’s likely that some form of customisation will be required
few global distributors, such as Farnell, who offer both a broad range of products and short lead times. Te ordering process itself should also
be painless. Farnell offers a suite of value- added services designed to aid the ordering and delivery of parts for existing production lines. Engineers can easily identify suitable parts and order them quickly using Farnell’s comprehensive resources, which include datasheets, application notes, certifications and videos. Product range, availability and warranty
are also vital. To ship spare parts quickly, the distributor must have first-class relationships with its suppliers. Farnell offers solutions from over 75 suppliers, with a vast range of products available immediately, in large quantities. Products are also backed by industry-standard manufacturer warranties. When upgrading an existing production
line to support growth, it’s likely that some form of customisation will be required. Customers can also take advantage of Farnell’s specialist design services, manufacturing support or life-cycle services, without having to engage with additional partners, minimising design-to- production time.
www.electronicsworld.co.uk July/August 2022 33
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