classic | mobile


SA Instrumentation & Control Buyers' Guide

Technews Industry Guide - IIoT 2018

Technews Industry Guide - Maintenance, Reliability & Asset Optimisation


Transducers for traction power ­substations
November 2018, Sensors & Transducers

Smooth-running services as well as passenger and employee safety in railway operations depend on functions such as emergency shutdown in the event of short circuits, the detection of delayed potentials and safe signal transmission. Therefore, transducers for railway applications must meet the highest standards of reliability and precision. For Knick Elektronische Messgerüte, this has been the cornerstone in the development and manufacturing of highly available transducers and signal conditioners over several decades.

At the 2018 InnoTrans exhibition, Knick showcased its transducers for traction power substations as well as new products for use on rolling stock: the SIL-2-compliant P16000 pulse frequency conditioner converts pulse signals from speed encoders into galvanically isolated analog 0/4-20 mA or 0-10 V standard signals required by control systems and subsystems to detect the travel speed. The transducer’s signal input is designed according to the SIL 2 safety integrity level to ensure that there can be no inadvertent impact on the signal source. The ability to separate the encoder signal and make it available for other applications eliminates the need to install additional encoders on vehicle axles.

Another highlight is the new ProLine P 50000 transducer series for high-precision energy measurement according to EN 50463. This series enables current and voltage measurement in traction inverters and auxiliary converters, and short-circuit detection in protective devices. These are the only devices in their class featuring calibrated range selection, which enables high flexibility in selecting input voltages in the 4200 V range, or currents in the kA range. After range selection, the transducers meet the high specified accuracy without renewed calibration. As the latest addition to the P 50000 series, Knick presented the P 52000 VPD voltage detector for reliable detection of voltages up to 4200 V. The detector compares the input signal with a selected threshold value that can be set at the unit. If, irrespective of positive or negative polarity, the threshold is breached, the detector displays an optical alert and generates an output signal that can activate or control hardware relays, protective devices or controllers. The signal level is matched to type 1 PLC signal inputs according to EN 6131-2. All products are fully compliant with applicable railway standards and comply with demanding requirements regarding fire protection, electrical safety, mechanical robustness, resilience to extreme climatic conditions and low EMI susceptibility.

Supplied By: Mecosa
Tel: +27 11 257 6100
Fax: 086 531 9682
Share via email     Share via LinkedIn   Print this page

Further reading:

  • Humidity measurement in poultry farms
    December 2018, Instrotech, Sensors & Transducers
    Methods of farming chickens vary from country to country, however the general temperature and humidity conditions required for the three stages of chicken lifecycle are always similar. Temperature and ...
  • Anemometers for accurate wind measurements
    December 2018, GHM Messtechnik SA, Sensors & Transducers
    Delta Ohm, part of the GHM Messtechnik Group of Companies, recently launched a range of anemometers that offer wind speed measurement of superior accuracy and that are particularly suited for installation ...
  • Torque transducers for powertrains
    December 2018, Instrotech, Sensors & Transducers
    Climate change, urban air quality and the rising cost of energy have become the defining issues of the 21st century. With energy consumption and exhaust emissions from vehicles being significant contributors ...
  • Pressure measuring cell with ISP
    December 2018, ASSTech Process Electronics + Instrumentation, Sensors & Transducers
    A new addition to Jumo’s automation products is the Ceros S01 M pressure sensor with integrated signal processing (ISP), which is an active component that delivers a temperature-compensated and calibrated ...
  • Adjustable background suppression sensor
    December 2018, RET Automation Controls, Sensors & Transducers
    Banner Engineering’s newest addition to the popular QS18 Series product family is an electronic adjustable field background suppression sensor with barrel mount. Electronic adjustment provides a more ...
  • Vision sensor for colour inspections
    December 2018, RET Automation Controls, Sensors & Transducers
    Banner Engineering’s iVu series vision sensors are now available in models capable of colour inspections. iVu Colour sensors build on the inspection capabilities offered by other iVu vision sensors by ...
  • Food safety hazards and how to choose sensor solutions
    November 2018, RET Automation Controls, Sensors & Transducers
    This article outlines three of the most common food hazards that can result in recall and describes several sensor technologies that can help ensure food safety in each scenario.
  • Steam turbine control
    November 2018, WIKA Instruments, Sensors & Transducers
    In coal-fired power plants, steam is produced by pumping highly purified water through boiler tubes. The water is heated to a high temperature and pressure, and then flows through several orifices into ...
  • Yokogawa’s fibre optic heat detector
    November 2018, Yokogawa South Africa, Sensors & Transducers
    Yokogawa has announced the DTSX1 fibre optic heat detector, an OpreXTM Field Instruments heat sensing and fire detection solution. Housed in an enclosure and suitable for use with specified fibre optic ...
  • Module for transformer hot spot monitoring
    November 2018, Mecosa, Maintenance, Test & Measurement, Calibration
    LumaSense Technologies has introduced the m924 utility module, designed for real-time transformer winding hot spot and temperature monitoring between -30 and 200°C. The module is specifically designed ...
  • Fast image processing with UniVision software
    November 2018, ASSTech Process Electronics + Instrumentation, Sensors & Transducers
    New to sensor specialist ASSTech is Wenglor’s latest software solution to simplify implementation of intelligent image processing applications for the range of weQube smart cameras. Sensors can easily ...
  • Ultrasonic sensors for switching and measuring
    November 2018, Countapulse Controls, Sensors & Transducers
    Longer operating ranges and broader areas of application are only two of the features offered by the Leuze HTU 418B and Leuze DMU 418B ultrasonic sensors. Suitable for switching and measuring applications, ...

Technews Publishing (Pty) Ltd
1st Floor, Stabilitas House
265 Kent Ave, Randburg, 2194
South Africa
Publications by Technews
Dataweek Electronics & Communications Technology
Electronic Buyers Guide (EBG)

Hi-Tech Security Solutions
Hi-Tech Security Business Directory

Motion Control in Southern Africa
Motion Control Buyers’ Guide (MCBG)

South African Instrumentation & Control
South African Instrumentation & Control Buyers’ Guide (IBG)
Terms & conditions of use, including privacy policy
PAIA Manual


    classic | mobile

Copyright © Technews Publishing (Pty) Ltd. All rights reserved.