Operator Interfaces, Switches & Relays


Latest Articles

Single-mode fibre interface modules
May 2005, Phoenix Contact
The new Factory Line FL IF 2FX SM SC-D two-port interface modules from Phoenix Contact (which can be used with the modular managed switch) allows single-mode glass fibre lines of up to 36 km in length. ...

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Umgeni Water chooses relays
April 2005, NewElec Pretoria
Umgeni Water, a bulk water supplier in KwaZulu-Natal, has recently installed approximately 40 NewElec MA relays as part of its protection upgrade programme in Pietermaritzburg. The main concern was for ...

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Vibration switches for fan protection
April 2005, PREI Instrumentation
An out-of-balance fan can cause a lot of damage to its surroundings, if it is not detected in time, this could include bearing failure, structural damage and production losses. Fitting a simple inexpensive ...

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Motor protection relays for dragline
April 2005, NewElec Pretoria
A prominent mining concern has fully equipped the first of a number of drag lines with the NewElec MA range of motor protection relays which also included two 3,3 kV motors. The customer considered these ...

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Ultrasonic proximity switches
April 2005, Gail Norton Instrumentation
Ultrasonic proximity switches may be used wherever distances have to be measured in air. The targets can be in the solid, liquid, granular or powder state. The material may be transparent or coloured ...

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Compact low power switching PSU for rack systems
April 2005
Emerson Network Power is offering its LPQ173 switching power supply from Astec Power. With active power factor correction to minimise input harmonic distortion, the compact LPQ173 switcher accepts 85 ...

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Industrial flat panel monitor
April 2005
The FPM-3150 is a 375 mm colour TFT LCD flat panel monitor with up to 1024 x 768 resolution, is specifically designed for industrial use. Available from ProMicro, the monitor provides high ...

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Compact safety relays with reinforced insulation
April 2005, Phoenix Contact
The new PSR safety relay family from Phoenix Contact provides high standards for monitoring emergency cutout and safety door power circuits and two-hand controls. All connections are pluggable and coded. ...

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Memory module for managed switch
March 2005, Phoenix Contact
Phoenix Contact's new memory modules FL IF MEM 2 TX-D are 2-port twisted-pair modules for the Modular Managed Switch. They store the complete switch configuration, including the management IP address, ...

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High temperature proximity switches
March 2005, Gail Norton Instrumentation, Integrated Solutions
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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LV relays interface with controllers
March 2005, NewElec Pretoria
The NK motor protection relays from NewElec's N Series are designed to protect motors in various LV applications. The relays are fitted with a 4 to 20 mA loop to indicate percentage motor load current ...

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Ethernet DIN rail mount switch
February 2005
The ENHSD switch from Woodhead Connectivity is designed to enable the Ethernet infrastructure to survive in the production area, eliminating long cable runs to an environmentally protected area. Available ...

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Cost-effective proximity switches
February 2005, Instrotech
Manufactured in Europe, the Selet range of inductive proximity switches carry the CE mark and conform to both Cenelec and DIN standards. Used for non-contact position sensing and counting applications, ...

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HMI that is as smart as it looks
January 2005
The EXTER operator terminals, in five different models, represent a bold step forward in high-performance technology

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Opto isolation and reed relays for USB
January 2005
Eagle Technology is offering MicroDAQ 62, 63 and 69, which add opto-isolated inputs and reed relay outputs to the extensive range that features products for USB, serial and wireless applications. The ...

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Improved rugged capacitive measuring technology
January 2005, VEGA Controls SA, Integrated Solutions, Infrastructure
Leading German level measurement manufacturer, VEGA, has completed its development programme, converting its full range of sensors to the plics (plug in concepts) system. The last phase of this development ...

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HMI family with enhanced complimentary software
January 2005
Red Lion's G3 family of operator panels offer Ethernet port and CompactFlash socket as standard, and support up to five high-speed serial ports for connection to PLCs, motor drives, temperature controllers, ...

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Ultrasonic proximity switches
December 2004, Gail Norton Instrumentation, Products & Solutions
Ultrasonic proximity switches may be used wherever distances have to be measured in air. The targets can be in the solid, liquid, granular or powder state. The material may be transparent or coloured ...

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Universal level switch for solids
December 2004, Endress+Hauser South Africa, Integrated Solutions
Endress + Hauser offers a range of level measurement instrumentation that is able to cater for any application. One example is the Soliswitch FTE30, an economical paddle level limit switch with dust ...

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Eliminating motor burnout
December 2004, NewElec Pretoria
NewElec has designed an earth insulation lockout relay to prevent motor starts when an inherent earth leakage fault is present. The product was designed as a result of problems encountered by manufacturing ...

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