Electricity + Control October 2016

CONTENTS

4

10

18

28

Analytical instrumentation 4

Creaming profits with instrumentation for the dairy industry … Natlee Chetty, Endress+Hauser

6

Round UP

Cables + accessories 10

Factors that influence cable protection … Morgan Havire, AMNS Consulting Engineers

13

Round UP

Earthing + lightning protection 18

UPS Systems: Threats, maintenance, management and winning designs … Jack Ward, Powermode Brief guide to the selection of lightning and surge protection … Tony Rayner, Phoenix Contact Sports ground lightning protection from touch and step potentials … Kirk Risch, DEHN AFRICA

21 23 25

Round UP

Pressure + level measurement 28

Flotation level measurement techniques … Richard Rule, eDart Slurry Valves

30

Round UP

Energy + enviroFiciency: Control systems + automation 34

Drilling holes with advanced PC-based control technology … Stefan Ziegler, Beckhoff Push-In Plus reduces panel-wiring time by 60% … Victor Marques, Omron

36 38

Round UP

Regulars

Cover

1 Comment 9 Cover Story 42 A sense of Africa 44 Light+Current 45 Bizz Buzz 46 Social Engineers 48 Clipboard

Endress+Hauser offers per- fect application fit devices for level measurement in the Wa- ter & Wastewater industry and utilities in all industries with the new Micropilot FMR10 and FMR20. Read more on page 9.

Visit our innovative online technical resource for the engineering industry. www.eandcspoton.co.za

Radar steps into new dimensions

FEATURES: • Analytical instrumentation • Cables+ accessories

• Earthing+ lightning protection • Pressure+ levelmeasurement • Energy+ enviroFiciency:Control systems+ automation

www.electricityandcontrolmagazine.co.za