ADVERTORIALS
Wieland’s wienet Managed Switches
provide full network control
Managed Switches from Wieland Electric allow full control and 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 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 net- works (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 high- est 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.
Wieland Electric Ltd. 01483 531213
www.wieland.co.uk
TECHNOLOGYIN ACTION
Wire-Wound and Thin Film Platinum Temperature Sensing Resistors
Labfacility offers a wide range of precision platinum temperature sensing resistors in both wire-wound and flat film construction. All standard items are available in quantity from stock; non-standard detectors can be sup- plied to order.
Platinum wire-wound detectors comprise a pure platinum wire wound into a miniature spiral and located within axial holes in a high purity alumina rod. The freedom of movement of the
platinum wire gives good long-term stability and a wide operating temperature range of -200 to up to +800°C. Labfacility wire-wound detectors are cylindrical in shape and ideally suited for housing within a protective metal tube.
The construction of the wire wound platinum detector uses a large proportion of manual labour, with a high degree of training and skill. The careful selection of all components is vital, as are good working conditions. Complete compatibility between metal, ceramic and glass when used, together with the connecting leads is essential, and most important, strain must be eliminated.
Labfacility +44 (0) 1243 871280 New 1/32 DIN PM LEGACY™
Industry to Feature Bluetooth® Watlow®
www.labfacility.com
Controller is the First in the Wireless Technology
, an industry leader in the design and manufacture of complete thermal systems, recently introduced its new 1/32 DIN PM LEGACY™ controllers, which are the first 1/32 DIN controllers on the market to incorporate Bluetooth® wireless technology. Bluetooth® is used to enable EZ-LINK™, Watlow’s mobile app for setting up, monitoring and adjusting PM PLUS™ and PM LEGACY controllers.
Watlow’s PM LEGACY SERIES panel-mount controllers are industry-leading PID controllers that offer optimal performance utilizing simple control and menu functionality without complex features. They are ideally suited for basic applications and usage levels. PM LEGACY controllers include one universal input and an option for up to two outputs. These controllers can be ordered as PID process controllers or as dedicated over and under- temperature limit controllers.
Watlow 1+ (314) 878-4600 Sensorless standstill detection of drive systems 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 con- necting 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.
IF A machine or system is expected to produce potentially hazardous over- travel 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
Schmersal UK & Ireland +44 (0) 1684 571980
uksupport@schmersal.com/
www.watlow.com
56 FEBRUARY 2021 | PROCESS & CONTROL
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