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ADVERTORIAL TECHNOLOGY IN ACTION


Metal Enclosures


combine sturdy construction and ease of assembly with a sleek finish. Accessories available include wall mounts, panels, bezels and a sealing gasket capable of IP66. Given that the enclosure has proved so popular it is now available in custom colours, just send us your requirement and we are happy to quote.


A


The DEDS series of lockable, solid door steel enclosures specially designed to provide high- quality, secure, cost-effective protection for exterior electronic and electrical installations is IP66 rated against water and dust ingress, meets IK10 specifications against impact and complies with IEC 60529 standards. The cabinet is supplied complete with steel back plate, IP66 gland plate for top or base mounting, wall mounting brackets, lock and key.


Evatron  01908 325100  www.evatron.com


luminium extrusions have been a firm favourite with our customers for many years.


They


Cost-optimised systems for securing complex machines and systems


T


he Schmersal group is launching new installation aids for securing complexing machine systems which allow quick and simple wiring of safety switchgear in series: the Schmersal safety installation


systems.


The series connection significantly reduces the wiring involved. A particular benefit of this installation system is that different electronic safety switchgear systems, such as sensors and interlocks, can be mixed and connected in the relevant application. With larger systems, different machine areas often need to be secured using different safety switches. At the same time, the new system offers cost- optimised options for applications exclusively using electronic safety switchgear. The safety installation systems also allow individual diagnosis of the safety switchgear connected. This means the operator can clearly identify which switch in the series has triggered a signal. This means any errors can be fixed quickly and avoid machine downtime. The safety installation systems from Schmersal thus increase machine availability.


Three alternatives for optimum personnel and production safety


Variants with a passive distributor module (PDM) or a passive fieldbox (PFB) are available for applications with exclusively electronic safety switchgear. They allow mixed series connection with up to four different electronic safety switchgear units per module. Several modules can be connected to form larger systems.


• The passive distributor module (PDM) is small and compact, easy to install in existing terminal boxes and particularly suited to the heightened hygiene requirements for food and packaging machines.


JSP’s new range of Sonis® Ear Defenders


W


ith a strong commitment to safety innovation, JSP’s Research and Development team have designed a new range of Sonis® Ear Defenders which peaks at an unbeaten SNR of 37. Developed in partnership with a leading research facility in the field of acoustic engineering, this new range meets the needs of an extensive range of industrial applications. This exceptional range of Sonis® Ear Defenders is Kitemarked and meets EN352-1. The advantages of this range


is that it offers


• The passive fieldbox (PFB) is a plug & play solution in a robust IP67 design for a range of applications.


The PDM and the PFB can be used to wire relatively large systems as wire cross sections of up to 1.5 mm² can be connected. The unique selling point of the two solutions is the individual securing of the safety switchgear devices with circuit breakers with self-returning fuses.


There is a third, active variant for safety switches and safety sensors


• For safe series connection of electromechanical safety switches or contact outputs or safety sensors with electronic OSSD outputs, an SRB-E range safety input expansion takes over active electronic signal evaluation. This solution also achieves a safety level of Cat. 4 / PL e / SIL 3 for the series connection of contacts.


a wide spread of


attenuation with SNR values between 27 and 37 meaning that selecting the right model to match the wearers requirements is really straightforward. The headband force and the sealing ring surface area work together to provide optimum cushion pressure and therefore comfort, ensuring a good fit every time.


JSP  www.jsp.co.uk  01993 826050


46 NOVEMBER 2016 | ELECTRICAL ENGINEERING


The passive installation systems can also be fitted with an optional “Serial Diagnosis” (SD) interface for the transfer of non-secure data. Safety sensors and interlocks connected in series and fitted with an SD interface can transfer and visualise extensive diagnostics data via the SD gateway and a fieldbus to a controller, e.g. status data or error messages. For the MZM100-SD contactless magnetic solenoid interlock, this could be, for example diagnostics data or error messages such as “Error or cross-circuit on a safety output”, “Operating voltage too low” or “Actuator faulty”. This enables quick problem solving. Extended diagnostics functions will, in future, enable preventive maintenance and the avoidance of machine downtime.


Schmersal


 01684 571980


www.schmersal.com / ELECTRICALENGINEERING


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