Technology
Programmable Logic Controllers and the Future of Automated Control Systems
Automation has shifted from a convenience to a necessity. In industries where split-second decisions and flawless repetition define success, control systems must do more than follow commands; they must anticipate them. That’s where intelligent controllers take over. They monitor inputs, adjust outputs, and maintain consistency in high-pressure environments.
But how does a PLC in advanced industrial systems manage this complexity while ensuring stability and accuracy?
The answer reveals much about the future of automation. Continue reading to understand how PLCs power the systems we rely on, and why their presence is critical to staying ahead.
What Is a PLC and How Does It Work?
A Programmable Logic Controller (PLC) is a digital system designed to automate electromechanical processes in manufacturing, building systems, and machinery that require consistent, real-time control. It monitors inputs from sensors, processes them through programmed logic, and activates outputs like motors, valves, or alarms.
With the durability to withstand extreme temperatures, dust, and vibration, PLCs provide reliable performance and rapid response in demanding industrial environments, ensuring operational efficiency and safety.
Why PLCs Are Crucial in Today’s Control Systems
As automation expands into energy, water, transport, and buildings, reliable, flexible control is crucial. Here’s why PLCs are vital in industrial control applications.
- Consistency and Accuracy in Repetitive Operations
PLCs execute thousands of commands per second with precision, ensuring consistent, specification-perfect output in environments like assembly lines and material handling systems where repeatability defines quality.
- Reduced Downtime and Fast Troubleshooting
Most PLCs come with built-in diagnostic functions, allowing operators to quickly identify and resolve faults. This minimizes downtime and reduces the need for operator intervention, boosting efficiency and optimizing costs.
- Scalability for Future Expansion
Modern PLC systems are modular, allowing additional input/output modules to be added as the system grows. This flexibility is essential in industries undergoing rapid technological and operational changes.
- Real-Time Processing of Complex Logic
With the ability to process analog and digital signals simultaneously, PLCs handle complex operations such as batch processing, machine sequencing, and safety interlocking without delay.
Where PLCs Are Commonly Employed
PLCs are employed across a broad range of sectors due to their adaptability and reliability:
- Manufacturing Plants
For controlling conveyors, robotic arms, and process control systems.
- Water and Wastewater Management
To monitor flow rates, tank levels, and pump operations.
- Building Automation
Managing lighting, HVAC systems, elevators, and access control.
- Energy and Utilities
Coordinating generation, distribution, and safety mechanisms in electrical grids.
- Transportation Systems
Controlling signaling, traffic lights, and platform safety systems.
Key Considerations for Deploying a PLC
To fully realize the benefits of a PLC in an automation system, several planning and operational factors must be considered:
- Application Requirements
Understand the number and types of inputs/outputs, the speed of response needed, and the environmental conditions the device will face.
- Programming and Logic Design
Tailoring the control logic to suit specific tasks is critical. Errors in logic design can lead to malfunctions or unsafe conditions.
- System Integration
PLCs must integrate smoothly with existing equipment, networks, and supervisory control systems.
- Maintenance and Updates
Regular inspection, firmware updates, and periodic rewiring are important for long-term reliability.
Advancements Shaping the Future of PLCs
As industrial systems grow smarter, PLCs are evolving to meet new demands:
- Remote Monitoring and Control
Modern PLCs support remote access, enabling maintenance teams to monitor and adjust operations without being on-site.
- Energy Efficiency Integration
Many PLCs now include features that help monitor energy consumption and optimize usage.
- Cybersecurity Features
As PLCs become more connected, security protocols are being integrated to prevent unauthorized access or system manipulation.
- Higher Processing Power
New-generation PLCs can handle more data, faster processing, and integration with AI-like logic modules for adaptive control (while still adhering to rigid automation standards).
The Risk of Overlooking Reliable Control
Failing to incorporate reliable PLC systems can expose operations to a range of risks:
- Inconsistent product quality
- Frequent breakdowns and downtime
- Inability to scale or modernize existing systems
- Loss of real-time visibility into processes
- Increased operational costs due to inefficiencies
Invest in Control. Invest in Expertise.
True automation goes beyond speed; it’s about control, safety, and adaptability. As industries grow and systems become more complex, outdated methods threaten performance and reliability. A well-deployed PLC provides the foundation for intelligent, efficient operations.
Partnering with reputable energy experts ensures your control systems perform effectively today and are prepared for future challenges. Achieving this requires more than just device installation; it demands strategic insight, precise system design, and ongoing support.
Technology
Telco Ownership Changes Above 10% Now Subject to NCC Approval
By Adedapo Adesanya
The Nigerian Communications Commission (NCC) and the Corporate Affairs Commission (CAC) have introduced a new regulatory requirement mandating prior approval for significant changes in the ownership structure of telecommunications companies operating in Nigeria.
This was contained in a statement jointly signed by the Director of Public Affairs at the NCC, Mrs Nnenna Ukoha and Head of Public Affairs at the Corporate Affairs Commission, Mr Rasheed Mahe.
According to a joint press release issued by the two agencies, the directive, which takes immediate effect, requires all licensed telecom operators seeking to transfer ownership or control of shares amounting to 10 per cent or more of their total share capital to first obtain a Letter of No Objection from the NCC before such transactions can be registered by the CAC.
The statement reads in part, “The directive, which takes immediate effect, requires all licensed communications companies seeking to transfer ownership or control of shares amounting to 10 per cent or more of their total share capital to obtain a Letter of No Objection from the NCC before such transactions can be registered with the CAC.
“The requirement is in line with the provisions of Section 90 of the Nigerian Communications Act 2003, Regulation 28(2) of the Competition Practices Regulations 2007, and Regulation 42 of the Licensing Regulations 2019, which empower the NCC to monitor transactions involving licensees and ensure fair competition within the sector.
“Under the new arrangement, the CAC will only process and register requests for changes in shareholding structures of telecommunications companies where the transaction involves 10 per cent or more of the company’s shares and is accompanied by evidence of prior approval from the NCC.
“According to the two regulatory agencies, the measure is aimed at strengthening oversight of significant ownership changes, preventing anti-competitive practices, and preserving a fair and competitive communications market. It is also expected to enhance transparency, boost investor confidence, provide greater regulatory certainty, and support the long-term stability and sustainability of Nigeria’s telecommunications industry.
The NCC and CAC reaffirmed their commitment to fostering a transparent, stable, and investor-friendly business environment. Both agencies pledged continued collaboration to promote fair market practices, strengthen regulatory compliance, and ensure the orderly development of Nigeria’s communications sector.”
Technology
Rising Cyber Threats Could Undermine Business Sustainability, Profitability—ISSAN
By Modupe Gbadeyanka
The relevant stakeholders have been urged to take urgent action to curb the rising sophistication of cyber threats, which could undermine business sustainability and profitability.
This call was made by the Information Security Society of Africa – Nigeria (ISSAN) during its monthly meeting held in collaboration with MAXUT Consulting.
The group noted that identity theft, mobile fraud, ransomware, and social engineering attacks are threats to organisations, especially those who may struggle to protect information assets, maintain operational resilience, and address vulnerabilities before they can be exploited.
The president of ISSAN, Mr David Isiavwe, who doubles as the Executive Director for Risk Management at Nova Bank, stressed that cybercriminals are deploying increasingly sophisticated attack methods targeting individuals, businesses, critical national infrastructure, and strategic assets.
Among the threats highlighted were identity theft, Business Email Compromise (BEC), phishing, ransomware, WhatsApp account hijacking, Distributed Denial-of-Service (DDoS) attacks, payment card fraud, cryptocurrency-related attacks, and other forms of social engineering.
According to him, the increasing frequency and sophistication of cyberattacks mean cybersecurity can no longer be viewed solely as an IT issue but as a critical business and national security priority.
To address these challenges, he urged organisations to adopt proactive risk management practices, implement continuous monitoring systems, promptly address vulnerabilities, and invest in regular cybersecurity awareness programmes for employees and customers.
Also, the importance of leveraging emerging technologies such as Artificial Intelligence (AI), Machine Learning (ML), and automation to enhance threat detection and response capabilities was emphasised.
“No organisation can successfully confront today’s cyber threats in isolation. Information sharing, collaboration, and collective vigilance remain essential to protecting our digital ecosystem and safeguarding public trust,” the ISSAN leader said at the event, which featured a technical presentation titled, Confronting the New Mobile Threat Landscape: Beyond User Authentication.
ISSAN reaffirmed its commitment to promoting cybersecurity awareness, capacity building, information sharing, and industry collaboration to strengthen Nigeria’s cyber resilience and support a secure digital economy.
Technology
Zoho Launches Nathu La Server
By Modupe Gbadeyanka
A designed-in-house server known as Nathu La has been launched by a global technology company, Zoho Corporation.
Nathu La is engineered with hardware-rooted security at every layer of the stack. Its indigenous IP-driven approach reduces dependency on external entities for security audits, firmware updates, and licensing continuity.
The solution aligns with open-source software principles and reflects Zoho’s broader commitment to building sustainable, secure, and scalable digital infrastructure. It also supports the growing global focus on digital sovereignty, local innovation ecosystems, and high-performance computing capabilities.
The platform was introduced by the company as part of a pivotal step in its journey towards building its full technology stack, from the hardware layer to software applications.
With Nathu La, Zoho has achieved equivalent performance with 12-18 per cent lower power consumption and 20-30 per cent lower total cost of ownership (TCO), thereby reducing inference costs.
The Nathu La server, comprising Intel® Xeon® 6 processors, was developed collaboratively with Intel, leveraging their enablement capabilities and technical expertise.
The design philosophy behind Nathu La is rooted in the Open Compute Project (OCP), emphasising modularity, thermal efficiency, and ease of maintenance. This enables Zoho’s data centres to significantly reduce total cost of ownership and power consumption.
Zoho plans to host its applications on the Nathu La server platform, enabling the company to optimise the full software-hardware stack for its specific workloads, reduce costs, improve performance, and strengthen data governance for its global customers. This will also help bring down inference costs for Zoho’s AI usage.
The Nathu La server motherboard and chassis platform is the result of five years of R&D across hardware, firmware, and systems management. Based on Intel® Xeon® 6 Processors, the server is designed to optimise performance for virtualisation (VM), High Performance Computing (HPC), AI inference, and storage applications. This results in improved performance of Zoho applications for end users.
The server features customised power delivery subsystems, an in-house DC-SCM (Data Centre Secure Control Module) design, and modular chassis options compatible with diverse end-user environments, offering flexibility across deployment types.
All modular components – including the DC-SCM and NIC (Network Interface Card) – were designed in-house by Zoho’s hardware engineering team and assembled through electronics manufacturing partners, enabling tighter integration and quality control across the platform. Over five patents have been filed covering advanced thermal management and cost-optimised server architecture designs.
“Zoho Corporation has invested in building its own technology stack from the ground up over the last three decades. The Nathu La server launch is in line with that goal.
“With our strategy of using contextual, right-sized models, running on our own platform, on our own servers, in our own data centres, we are compounding the benefits accrued from owning and operating our entire technology stack. This ensures that our solutions are more sustainable and accessible for businesses.
“These long-term R&D investments we are making at every layer of the stack are aimed at delivering customer value,” the Country Head for Zoho Nigeria, Mr Kehinde Ogundare, stated.
In 2020, Zoho established a small R&D team in Nagpur, a Tier 2 town in India, focused on projects such as server design and systems engineering.
Members of the Nathu La R&D team include hires from SETU – short for Students’ Engagement for Transformative Upskilling – an initiative designed to build a pipeline of industry-ready engineers, with a focus on advanced learning in Electronics System Design and Manufacturing (ESDM).
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