Recent projects

A selection of our work. We name the plant type and province rather than the client; ask us for references.

Smelting, refining and mining

PGM smelter, Limpopo2025–2026

Slag cleaning furnace conversion

Functional design specifications for automatic concentrate and blended feed, and a rewrite of the furnace control software.

SIMATIC PCS 7 V10

PGM smelter, Limpopo2025–2026

PROFINET backbone and MCC upgrades

A PROFINET backbone across the plant's automation stations, motor control centre upgrades with pre-FAT testing, and integration of furnace switchgear.

PCS 7, PROFINET, SIMOCODE pro, Anybus gateways

Converter plant, North West2024–2026

Coal mill replacement

Functional control specification, cause-and-effect matrix, factory acceptance test in November 2025, and site support.

PCS 7, WinCC, ET 200SP HA, SIMOCODE pro

Converter plant, North West2024–2026

Acid plant, mudguns and version upgrade

Control specifications for the weak acid plant, final drying and absorption, and the mudguns, a PCS 7 version upgrade, and ongoing site support.

SIMATIC PCS 7, WinCC

PGM smelter, North West2021–2026

Furnace auxiliary systems

A furnace auxiliary PLC rewritten in PCS 7, trip and interlock audits, and control-system integration for an electrical renewal.

SIMATIC PCS 7

Mines, concentrators and smelters2025–2026

PROFIBUS network audits

More than 20 PROFIBUS audits with written reports, carried out with a specialist partner.

PROFIBUS

PGM and chrome mines, North West2024–2025

Breakdown support and system health checks

Breakdown support, control system health checks, backups and SCADA client repairs.

S7-300, TIA Portal, WinCC

PGM smelters, Limpopo and North West2025–2026

Furnace ring and temperature I/O

Repairs to furnace ring networks and furnace temperature I/O on running furnaces.

SIMATIC PCS 7

Process equipment and other plants

Graphite, cobalt and chemical plants2017–2025

Flash dryers

Control philosophies, PLC and HMI software and commissioning for flash dryers drying graphite, cobalt and aluminium sulphate.

S7 with TIA Portal, AVEVA Edge

Alumina and ferroalloy plants2021–2025

Calciners, kilns and hot gas generators

Control systems for an alumina calciner, kiln CO injection and hot gas generators.

S7 with STEP 7 and TIA Portal, AVEVA Edge

Ferroalloy plant2016–2017

Rotary dryer and briquetting plant

Control system for a rotary dryer and a briquetting plant.

Siemens S7

Chemical plant2020–2026

Spray drier heating control

Heating control for a spray drier, with a functional design specification issued in 2026.

S7-1200, Delta HMI

Aquaculture, Mpumalanga2022–2024

Recirculating aquaculture system

Functional control specification and PLC software for river-water and recirculation modes, drum and bio-filters, solar integration and SMS alarms.

S7-400, Modbus

Biomass and pilot plants2016–2026

Biomass and fluid-bed plants

Control systems for a biomass energy plant and for fluid-bed pilot plants.

Siemens S7

Discuss a project with us

Call or email Hannes le Roux, our Managing Director.

hannes.leroux@ellercon.co.za | +27 73 582 5068