Operator Interfaces, Switches & Relays


Latest Articles

High temperature proximity switches
November 2007, Turck Banner Southern Africa
For demanding applications in high-temperature areas, inductive proximity switches with good long-term reliability have become increasingly popular. Contrinex offers a series of embeddable and non-embeddable ...

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Triboelectric dust-sensitive switch
November 2007, Spero Sensors & Instrumentation
The stainless steel Snifter dust switch is used to detect filter bag breakage quickly and cost-effectively, operating on the triboelectric AC signal principle. Sperosens - environmental monitoring, fire ...

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Inductive proximity switch for high pressure
October 2007, Temperature Controls
Baumer Electric has designed a pressure resistant inductive proximity switch in the IFRP model range. These have been designed for applications involving 350 bar during dynamic and 500 bar during static ...

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Alarm management: a critical part of control engineering
September 2007, Technews Publishing (SA Instrumentation & Control)
As in most engineering disciplines there are bodies of standards, recommended practices and regulations which help to manage the process of alarm engineering

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Slim time relay
September 2007
Relpol, suppliers of a wide range of relays and contactors, has recently announced the PIR6WT-1Z. Housed in a 6,2 mm wide cover this slim 9-function time relay has application in low-voltage installations. ...

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Loop powered indicator is ATEX approved
September 2007, Extech Safety Systems
The MTL66X range of displays has been extended with the launch of the backlight versions of these existing displays. The display causes a volt drop on the loop of <1 V. This categorises the display connections ...

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Fanless HMI for industrial applications
September 2007, Centurion Micro Electronics (CME)
Industrial PC manufacturer Aaeon has introduced the model AOP-8070 fanless operator interface panel (OIP) to meet the demand for a small size, multifunction panel PC for use in harsh environments. The ...

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Display unit mounts up to 50 m from PC
September 2007, Beckhoff Automation
One of the problems that control system engineers are often faced with is how to locate a PC display unit where it is required while at the same time locating the system unit in a more convenient or environmentally ...

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Alarm annunciation: are annunciators still relevant?
September 2007, Omniflex Remote Monitoring Specialists
In the main control room of a multibillion rand petrochemical plant pulses the heart of a process with an explosive mixture of gases and liquids which, in the wrong conditions, has all the makings of ...

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Alarm management for pipelines
September 2007, Moore Process Controls
In 2005 the US National Transportation Safety Board (NTSB) concluded that an effective alarm review/audit system would increase the likelihood of controllers appropriately responding to alarms associated ...

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High performance OITs in slim packaging
September 2007, Varispeed (A Division of Hudaco Trading)
Maple Systems of the USA has released a new generation of touchscreen operator interface terminals (OITs) - the Silver Series Plus. Built on a new, high-performance hardware platform, Silver Series Plus ...

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8 W DC/DC converter
September 2007, Switches International
Mean Well has announced the introduction of the SCW08/DCW08 series of 8 W regulated single/dual output DC/DC converters to meet the growing demands of low cost and miniature size applications. With DIP ...

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5 W DC/DC converter
September 2007, Current Automation
Mean Well Enterprises has expanded its DC/DC low wattage product line with the release of the NSD05 series of 5 W on-board DC/DC converters. Along with the NSD-10 (10 W) and NSD-15 (15 W) series, this ...

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DTM available for Wika temperature transmitter
September 2007, WIKA Instruments
For its T53 temperature transmitter, Wika can now provide a device type manager (DTM). Thus a comprehensive configuration capability is available for systems which support the FDT (field device tool) ...

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Smart lights have a flash of brightness
September 2007, Turck Banner Southern Africa
Sensor manufacturer, Banner Engineering, has announced the addition of the K50L and K80L to its extensive line of EZ-LIGHT indicator lights. The highly visible 50 mm dome indicator lights, in a choice ...

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CODIX is more than just a pretty counter
August 2007, Turck Banner Southern Africa
The new universal preset counters CODIX 923/924 from Kübler-Germany, are designed to display, measure and control pulses, time and frequency. They offer a simple, cost-effective solution for many control ...

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The evolution of substation communications
July 2007
The RuggedSwitch family of substation hardened Ethernet switches has been created to meet the requirements of IEC 61850 and to implement Station Bus or Process Bus LANs

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Leverless switches take the grit at power plant
June 2007, Switches International
The slurry valves at Owensboro Power Plant (Kentucky, USA) were malfunctioning in the scrubber area. Many maintenance hours were being invested replacing faulty limit switches. Operations at the power ...

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Programmable control relay supports Ethernet
June 2007, Schneider Electric South Africa
Can you guarantee total availability of your automated systems? Schneider has introduced the Zelio Logic range of compact programmable control relays. Says Schneider Electric's product manager, Kruben ...

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Innovation competes with safety
June 2007, Schneider Electric South Africa
Kruben Bennie, Schneider Electric's product manager, machine and low end control, is of the opinion that innovation in the control and signalling sector is taking a back seat as component manufacturing ...

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