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Monday 08:00 - 17:00 Tuesday 08:00 - 17:00 Wednesday 08:00 - 17:00 Thursday 08:00 - 17:00 Friday 08:00 - 17:00

Nnovative Automation PTY LTD

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Nnovative Automation PTY LTD

Nnovative Automation does System Integration and Industrial Automation. We specialize in production lines, machine integration and communication interfacing.

22/10/2026

PLC inputs vs outputs: What's the difference?

A Programmable Logic Controller (PLC) relies on inputs to understand what is happening in a process and outputs to control what happens next.

🔹 Inputs receive signals from devices such as sensors and switches. These signals tell the PLC about conditions on the production floor.

🔹 Outputs send control signals to devices such as motor starters, valves and indicator lights, depending on the system design.

The PLC processes its inputs according to its programmed logic and updates its outputs accordingly.

Understanding this relationship is fundamental to troubleshooting, system design and reliable industrial automation.

At Nnovative Automation, we develop automation solutions around the requirements of each process.

🌐 www.nnovative.co.za

16/10/2026

Power quality and outages are a familiar problem for many South African plants, and control equipment feels them first.

• Voltage dips: a brief drop can be enough to shut a PLC down and stop the line. Depending on the PLC, power loss can also mean lost memory and extra downtime while the program is reloaded. Variable speed drives need stable voltage and are sensitive too.
• Surges and spikes: transient overvoltages can damage PLC power supplies, CPU modules and I/O.
• Outages: a complete loss of supply stops the process mid-cycle.

Standard protection includes:

✔ Surge protective devices (SPDs) at the panel’s incoming supply
✔ A UPS on the control circuit (PLC, I/O, HMI, network gear) to cover brief interruptions, sized for the control load rather than the motors
✔ A well-specified DC control power supply for the PLC and I/O

The right setup depends on your supply and what your line can’t afford to lose.

🔗 www.nnovative.co.za

14/10/2026

When a line goes down, every minute counts. A few details ready before you call help an engineer diagnose the fault faster:

✔ Machine make, model and serial number

✔ The fault code or last alarm on the screen (a photo of the HMI helps)

✔ What changed before it stopped, such as a power dip, recent maintenance, a new product run or a parts change

✔ Electrical drawings for the machine or panel

✔ A recent PLC program backup, plus the PLC model

✔ Who is on site and any access requirements (inductions, permits, gate times)

One thing not to do: don’t repeatedly reset the machine or bypass safety devices to get it running. Repeated restarts can make the original fault harder to trace or cause further damage, and a bypassed safety device puts people at risk.

NNA’s 24/7 emergency response team diagnoses faults, sources parts and gets you back into production.

🔗 www.nnovative.co.za

10/10/2026

When a production machine stops, how quickly can your team identify what went wrong?

A machine alarm tells you that something needs attention. But the information behind that alarm determines how useful it is during troubleshooting.

Well-designed diagnostic systems can help maintenance and engineering teams identify the affected component, understand which operating condition was not met and narrow down where further investigation is needed.

For example, a machine may be unable to continue its operating sequence because a sensor signal is missing, an interlock condition has not been satisfied or a connected device is reporting a fault.

These situations require different responses. A generic fault message may not provide enough information to distinguish between them.

This is why diagnostic capabilities should be considered during control system design and PLC/HMI programming, rather than treated as an afterthought.

The objective is to give the people responsible for maintaining production equipment useful, machine-specific information that supports effective troubleshooting.

At Nnovative Automation, we work with industrial automation systems to help manufacturers improve machine control, system integration and operational reliability.

A question for maintenance managers, plant engineers and production teams:

When a machine stops unexpectedly, what is usually the biggest challenge?

A) Identifying the root cause
B) Accessing useful fault diagnostics
C) Sourcing the right replacement components
D) Getting the necessary technical support

Share your experience in the comments.

09/10/2026

Before replacing an ageing machine, assess its automation system.

In manufacturing, mechanical equipment and automation components do not always reach the end of their useful lives at the same time.

A machine may still be mechanically serviceable while its programmable logic controller (PLC), human-machine interface (HMI) or other control components become outdated, difficult to support or increasingly difficult to source.

In these circumstances, a targeted modernisation or refurbishment project may be worth considering.

A proper engineering assessment should consider:

• Mechanical condition: Is the existing equipment still suitable for its intended production requirements?

• Control system lifecycle: Are critical components still supported, and are replacement parts readily available?

• System compatibility: Can updated controls integrate reliably with the existing machinery and connected production systems?

• Safety requirements: Will the proposed changes maintain appropriate machine safeguarding and safe operation?

• Operational impact: What are the implications for installation, testing, commissioning and production downtime?

Modernisation is not the right solution for every machine. The decision to upgrade, refurbish or replace should be based on the equipment's condition, operational requirements and the feasibility of the proposed solution.

At Nnovative Automation, we help manufacturers assess existing systems and develop tailored automation and refurbishment solutions designed around their production needs.

The first step is understanding what needs to change -and what can still work.

🌐 www.nnovative.co.za

02/10/2026

Since 2014, we've grown from a garage-based operation into a trusted automation partner for manufacturers across South Africa.

Every panel we build, every line we integrate, comes down to the same principle: understand the process, solve the real problem, and do it right the first time.

Proud of how far we've come - and just getting started.

🔗 www.nnovative.co.za

30/09/2026

One of the most common questions our engineers get on site walks.

The honest answer: it depends on the machine's condition and control architecture - not its age. If the mechanical structure is sound and the control system (PLC, HMI, drives) can be upgraded without replacing the whole unit, retrofitting is usually faster and cheaper than starting fresh. Full replacement makes sense when wear, safety compliance gaps, or obsolete parts availability outweigh the savings.

Every case is different - our team assesses each one on site before recommending either route.

🔗 www.nnovative.co.za

25/09/2026

A PLC and a SCADA system get mentioned in the same breath so often that the difference gets lost.

A PLC is the controller on the floor - it executes the logic that runs a specific machine or process in real time.

SCADA (Supervisory Control and Data Acquisition) sits a level up: it's the software that pulls data from multiple PLCs across a site, gives operators a live visual overview, and logs historical trends for reporting and fault-finding.

Put simply: the PLC does the work, SCADA lets you see and manage the work being done - across one machine or an entire plant.

Understanding where one ends and the other begins matters when you're scoping an upgrade - sometimes the fix is better PLC logic, sometimes it's visibility you're missing at the SCADA level.

🔗 www.nnovative.co.za

24/09/2026

Today, we celebrate the people, cultures, stories and traditions that make South Africa who we are. 🇿🇦

At Innovative Automation, we’re proud to be a South African company, built here and committed to contributing to the industries that help move our country forward.

This Heritage Day, we celebrate our shared heritage and the diversity that makes South Africa stronger.

One nation. Many stories. One future.

Happy National Heritage Day from the NNA team.
24 September 2026

17/09/2026

Welcoming Jacques van der Merwe to NNovative Automation

We are pleased to welcome Jacques van der Merwe to the NNovative Automation team as a Software Technician.

Jacques joins our technical team, contributing to the software and programming that underpin the automation systems we develop and implement for our clients.

We look forward to having Jacques on board and to the contribution he will make to our continued work in industrial automation.

Welcome to the team, Jacques.

Address

93 Adriana Crescent
Centurion
0172

Opening Hours

Monday	08:00 - 17:00
Tuesday	08:00 - 17:00
Wednesday	08:00 - 17:00
Thursday	08:00 - 17:00
Friday	08:00 - 17:00

Website

http://www.nnovative.co.za/

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