Electricity + Control February 2018

CONTENTS

4

Features

Cables + accessories 4 ELPA Empowers Electrical Engineers with SANS 62305-based CPD Programme Trevor Manas, ELPA 7 Calculate Costing LV Cable Losses Carel Ballack, Copper Development Association Africa 10 Round UP

Control systems + automation 12 In Conversation: Pneumatic Innovations for

Reduced Carbon Footprint Peter Middleton of Crown Publications talks to Brian Abbott of SMC Pneumatics

15 Round UP

Sensors, switches + transducers 16 Digital Upgrade with IO-Link Andreas Biniasch, ifm electronic 18 How to Choose Lighting for Harsh Environments Information provided by Banner 20 Effects of Temperature-related Density Changes on Hydrostatic Level Measurement Oleg Greber, WIKA 20 Is Your Operation Ready for Smart Sensors Kevin Zomcheck, Rockwell Automation 20 Round UP Control systems + automation 28 Rockwell Automation Fair 2017: Bringing the Con- nected Enterprise to Life Peter Middleton, Crown Publications 31 Round UP Transformers + substations 32 Transformer Technology: Liquid-filled vs Dry-type Information provided by Cooper Power 36 Round UP

12

18

28

Regulars

1 Comment 23 Cover Article 38 Light+Current 38 New Faces + Places 39 Social Engineers 40 Write @ the Back 40 Not to be Missed 40 List of Advertisers

2 Electricity + Control

FEBRUARY 2018