TECHNOLOGY IN ACTION ADVERTORIAL Wieland’s wienet


Managed Switches provide full network control


diagnosis of industrial Ethernet networks. By means of standard ring topology, the switches allow redundant topologies and thereby boost network availability. These switches offer protection against unauthorised


M access/data traffic, greater resilience and


prioritisation of data with real-time requirements. wienet Managed Switches support processes including


ERPS, RSTP, STP and MRP for Profinet networks (certified up to Conformance Class B) and are adapted for Ethernet IPs. Different port variants from 10/100 Base-T(X) RJ45 ports to variable SFP ports and even Gigabit Combo ports allow for optimal adaptation to the application environment. The full PoE+ performance of 30 W can be tapped with a 51 VDC power supply up to a maximum of 8 ports. The switches meet the highest requirements with their operating temperature range of -20°C to 75°C as well as their excellent MV properties. The wienet Managed Switches support clock


synchronisation according to IEEE 1588 PTP and are also ideally suited to Motion Control applications. With the network management software wienet Manager, LLDP capable devices are recognised and managed, with precise network topologies automatically generated. wienet Managed Switches are easily configurable via web browsers, Telnet consoles, MIBs or Hyper Terminals.


Wieland Electric Ltd. u 01483 531213 u www.wieland.co.uk


anaged Switches from Wieland Electric allow full control and


Embedded ARM Core Front Panel Solutions from ITRON (U.K.) LTD


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tron’s powerful ARM9-based embedded TFT modules provide serial interfaces to link host and peripheral devices using USB, RS232,


RS485, Async, SPI, I2C, CAN and Ethernet. Most ports double up as general I/O with IRQ functionality. Our embedded solutions allow designer engineers to move application processing into the TFT module which reduces host overhead and enables easily manageable communication speeds. The host can send raw data to the TFT module for the operating system to process and synchronise display refresh, navigation and peripheral control.


ITRON (U.K.) LTD u 01493 601144 u sales@noritake-itron.com u www.noritake-itron.com


Rubix UK expands engineering capabilities with Knowlton & Newman Ltd.


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ubix UK has acquired Knowlton & Newman Ltd – a specialist provider of electro-mechanical repair services to industries across the south of England - as part of the Group’s network development strategy. Knowlton & Newman specialises in the repair and replacement of electric motors, pumps and gearboxes all


supported by a ‘round the clock’ 24/7/365 callout service to minimise downtime for customers and reducecosts. Working out of sites in Southampton, Portsmouth and Chatham, Knowlton & Newman has been operating since


1973. It currently employs a total of 65 staff and reported sales of £8.2m in the year ended 31 March 2020. Its key customers operate across the utilities sector but also in marine, pharmaceutical, food, aggregates and


power generation, as well as the petrochemical sector. Whilst continuing to operate independently, Knowlton & Newman will be ‘powered by Rubix’, playing a strategic


role in extending the Rubix offering in electro-mechanical repairs services, a key growth area for Rubix in the UK. The acquisition will also add a southern regional hub to existing engineering service centres in the midlands, south west and north of England.


Rubix UK u www.knowlton-newman.co.uk Sensorless standstill detection of drive systems I


f A machine or system is expected to produce potentially hazardous overtravel movements, a combination of safety


interlock on the guard and standstill monitor in the switch cabinet can provide the requisite level of safety. The SSW303HV is the Schmersal Group's latest sensorless standstill monitor, offering a significant improvement over its AZR and FWS series predecessors.


A key development goal was universal application of the new


standstill monitor, which in total replaces fourteen variants of the previous product range. This is made possible thanks to use of a wide-range power supply for all common AC and DC operating voltages, from 24 V/DC / 24 V/AC to 230 V/AC. The increased temperature range of -25 to +55°C also opens up additional application potential.


A further benefit is its compact design – the SSW303HV takes


up just 45 mm of structural width in the switch cabinet. The pluggable, coded connecting terminals ensure rapid, error-free installation, while an additional signalling contact provides information on the error status of the module.


As the standstill monitor operates entirely without sensors,


the machine builder no longer needs to intervene with the ‘hardware’ of the surrounding structure. The safety module is connected directly to a three-phase motor and directly measures the frequency of the induced voltage, at rated motor voltages of up to 690 V. The safety contacts for releasing the locking mechanism close as soon as the motor comes to a standstill.


The SSW303HV can be used in safety circuits up to category


4/Performance Level e in accordance with EN 13849-1 and SIL 3 in accordance with EN IEC 61508, with all typical safety interlock designs from applicable manufacturers.


The Schmersal Group u uksupport@schmersal.com u www.schmersal.co.uk


CONNECTINGINDUSTRY.COM/DESIGNSOLUTIONS DESIGN SOLUTIONS | FEBRUARY 2021 39 u www.rubix.com


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