Enclosures
a dedicated power supply with all the required output voltages nVent has opted for a single 12-volt output, which is available from many different vendors. To accommodate the standard power supply, nVent SCHROFF’s chassis are built with a specially designed power distribution board to provide any additional voltages as required.
Dave Martin, director of business development, Foremost Electronics
can design complex, integrated systems easily with many building blocks to choose from. Open standards technology offers inherent flexibility. In other words, there are many different ways to fulfil needs and specifications.
Leveraging modularity to enhance the benefits of open standards technology
Engineers can leverage modularity in custom designs with building blocks for the PXIe chassis. For example, nVent SCHROFF offer functional modules and other mechanical components which are already verified and on hand to meet a wide range of technical parameters such as low speed, high bandwidth and high power. For example, a backplane with PXIe standard components can be further customised with flexible modules including switches, bridges, and clock modules. With these building blocks, engineers don’t need to change the whole system in the face of supply chain issues. All they have to do is swap building blocks, which promotes mobility and overcomes single sourcing. If companies create their own designs from scratch, they can be locked into the components or vendors they started with. With a design based on modularity, engineers can easily adjust a design while maintaining its integrity. By avoiding a long redesign cycle, customers receive their equipment with little to no delay. Every vendor addresses modularity and sourcing decisions differently. nVent SCHROFF’s chassis are designed with a diversified set of components to avoid single sourcing and each building block is designed for flexibility. As an example, they have engineered their chassis to accommodate standard power supplies. PXIe supports many different voltages, and it is unlikely to be able to find a commercially available power supply that can fulfil them all. Instead of using
www.cieonline.co.uk.
nVent SCHROFF has also implemented flexible switching designs. Currently, their chassis are based on a PXI Gen 3 switch design. Like many companies, they have dealt with a great number of shortages over the last few years. While Gen 3 switches were unavailable nVent SCHROFF communicated with customers in a timely manner to understand their design constraints and implement a shift to Gen 2 switches, which most of the market can accommodate. They have also used PCIe switch ball grid arrays (BGAs) from different vendors to design switch modules, providing them with an alternative solution if faced with procurement or allocation challenges. When assessing a vendor, it is essential to understand how much production happens in-house. For example, nVent SCHROFF’s printed circuit boards (PCBs) are designed, assembled, tested, and integrated in-house, so there’s no third-party involvement for integration or assembly. This translates to shorter lead-times and less reliance on third-party suppliers. With the engineering department located directly above the production floor, they are always on-hand to support custom projects with no delay.
A rapidly evolving T&M environment provides opportunities for suppliers to become partners. With open standards there’s always a second source to draw from and valid design trade-offs to pursue. nVent SCHROFF have the know-how to mitigate issues and lessen the cost of failures and shortages for customers because they have great expertise in modularity. They know what building blocks and customisations work best because they have a complete overview of the market and supply chain. Leveraging this expertise helps customers limit rescoping and eliminate total redesigns in the face of supply chain shortages. Foremost Electronics are the UK Platinum level partner for nVent Schroff and can supply their complete range of standard and customisable enclosures and advanced cooling systems.
www.4most.co.uk Components in Electronics November 2023 31
to cool to protect to connect Design cases
• innovative case systems with hock-resistant plastic covers • for non-standard or 100mm PCBs • for mobile use or as a bench case with slip-resistant feet
• EMC compliant designs, IP protection • special designs, machinings and colour design acc. to customer’s requirements
For more details please check our website:
www.fi scherelektronik.de/en Fischer Elektronik GmbH & Co. KG
Nottebohmstraße 28 • 58511 Lüdenscheid GERMANY Phone +49 2351 435 - 0 • Fax +49 2351 45754 info@fi
scherelektronik.de
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