Electricity + Control July 2019

CONTENTS

Features

INDUSTRY 4.0 + IIoT 4 4IR – the next steps for industry in South Africa Leigh Darroll, Electricity + Control 8 Cost-efficient production with 18 synchronous NC axes Beckhoff Automation

10 Round UP

ENERGY MANAGEMENT + ENVIRONMENTAL ENGINEERING 16 Distributed generation – a fresh approach to South Africa’s power supply Seydou Kane, Eaton South Africa 18 Natural gas as an energy source for industry Laetitia Jansen van Vuuren, Energas Technologies

20 Round UP

CONTROL VALVES + ACTUATORS 26 Water loss savings – a new approach Peter Telle, Ultra Control Valves

8

28 Round UP

FLOW MEASUREMENT + INSTRUMENTATION 29 Round UP

DRIVES, MOTORS + SWITCHGEAR 32 Understanding the terminology in IEC 61439 Johan Basson, JB Switchgear Solutions

18

34 Round UP

28

Regulars

1 Comment 11 Cover article 38 Cyber security 39 Write @ the back

2 Electricity + Control

JULY 2019