Testing and Commissioning: Ultimate Assurance
Providing end-to-end services for Operational Technology, from concept to completion
Zealinx specializes in providing industrial automation solutions for operational technology, focusing on Testing and Commissioning to ensure every system operates flawlessly. We specialize in three key areas:
Control Device Programming
Our experts excel in developing and implementing control device programs that are specifically tailored to your unique requirements. Whether it's a programmable logic controller (PLC) or a numerical relay-IED, our Testing and Commissioning processes ensure the smooth operation and control of your facility. With our customized programming solutions, you can optimize the performance and functionality of your equipment, allowing for seamless operations.
HMI Design & Implementation
We understand the importance of having a user-friendly and intuitive Human-Machine Interface (HMI) in your industrial setting. That’s why we offer Testing and Commissioning services alongside customized HMI design and implementation services. Our team will work closely with you to create a seamless interaction between humans and machines, resulting in improved productivity and reduced human error. With our expertise in HMI design, you can enhance the overall user experience and streamline operations within your facility.
SCADA System Integration
In today's interconnected world, it's crucial to have integrated systems that facilitate the smooth operation of various components within an industrial setting. Our team specializes in system integration, with a strong focus on Testing and Commissioning, allowing you to seamlessly connect different OT systems at your site. Whether it's integrating PLCs, HMIs, or other devices, we ensure that all components work together harmoniously, optimizing the overall performance of your facility.
Control Device Programming
Programmable Logic Controllers (PLCs) are essential components in manufacturing and industrial automation. They function as industrial computers with multiple inputs and outputs, allowing engineers and technicians to efficiently control and monitor complex industrial processes. Our Testing and Commissioning services ensure these systems operate at peak efficiency. PLCs are particularly advantageous because their internal timers, sequencers, and relays operate at a much faster speed than conventional time-delay relay systems. This makes them highly suitable for effectively managing assembly lines.
The numerical relay configuration in substations is another critical aspect of industrial control systems where our Testing and Commissioning guarantees reliability and safety. Numerical relays act as protective devices, specifically designed to safeguard power systems such as generators, motors, transformers, and lines. Utilizing microprocessors, these relays determine various parameters such as power flow direction, fault presence, and fault type.
Both PLC programming in manufacturing and numerical relay configuration in substations play vital roles in ensuring efficient operations, protecting crucial equipment, and maintaining safety within industrial settings.
HMI Design & Implementation
Human Machine Interface (HMI) design and implementation is a critical aspect of industrial automation systems. It bridges the gap between operators and the automation system, allowing for efficient interaction and control. Our Testing and Commissioning process, begins by understanding the client's specific needs, the complexity of their processes, and their operational goals. This includes evaluating the current system, identifying areas for improvement, and defining the desired functionalities of the HMI. The HMI is designed with user-friendliness as a priority. ensuring that the design is intuitive, easy-to-navigate, and visually appealing. The design also takes into account safety standards and guidelines.
Team of engineers and technicians will then implement the HMI solution, integrating it with the existing PLCs and other components of the automation system. This could involve writing necessary scripts or codes, configuring the system, and testing to ensure everything works seamlessly. We provides comprehensive training to the operators, ensuring they can effectively use the HMI. This includes demonstrating how to monitor processes, adjust parameters, diagnose issues, and perform other tasks.
After implementation, ongoing support and maintenance services. This includes regular system checks, software updates, troubleshooting, and repairs as needed. The ultimate goal in HMI design and implementation service, supported by Testing and Commissioning is to enhance operational efficiency, reduce downtime, and improve safety in the client's facility.
SCADA System Integration
SCADA and DCS are two types of industrial control systems used in various industries for process automation. SCADA systems are centralized and can monitor and control large areas or complex systems. They gather information, analyze it, and alert the necessary parties. Key components of a SCADA system include Human-Machine Interface, Remote Terminal Units, Programmable Logic Controller, and various communication methods.
On the other hand, DCS refers to a distributed control system where the controller elements are spread throughout the system. It is commonly used in industries like chemical plants and power generation. Key components of a DCS include input/output devices, controllers, networks, and operator stations.
Our solution ensures that maintenance personnel are promptly notified of critical alarms, even outside of working hours. This allows for unattended plant operations and substantial savings on labor costs for our customers. We have extensive experience with industry-leading vendors in areas such as communications network design, hardware and software specification, system design standards, and security policies and procedures.
Our expertise also extends to network cabinet, RTU, and control panel design and fabrication. In addition, we provide SCADA software configuration for tags, alarms, graphics, trends, and reports with seamless communication and integration with external systems. We also offer field Testing and Commissioning services, along with comprehensive training, to support our customers throughout the entire automation process.
By focusing on Testing and Commissioning, we ensure that all systems work together harmoniously, optimizing overall performance and reliability.
Boost efficiency and control with Zealinx
Our experts tailor control device programs to meet your unique needs, optimizing equipment performance for seamless operations. Boost productivity with our intuitive HMI design and Testing and Commissioning services, which reduce human error and enhance the user experience. Achieve system harmony with our specialized subsystem integration, connecting all OT components to optimize your facility's overall performance. Experience the power of seamless automation with Zealinx.
By choosing our industrial automation solutions, you can expect:
- Customized solutions that are tailored to your specific needs, ensuring optimal functionality and efficiency.
- Expert programming and Testing and Commissioning services that guarantee seamless operation and control of your equipment.
- User-friendly and intuitive interfaces that enhance productivity and minimize human error.
- Integrated systems that allow for smooth operation and communication between various components within your facility.
we are committed to providing top-notch industrial automation solutions that optimize the performance of your facility. With our expertise and dedication, we can help you streamline operations, boost productivity, and maximize efficiency. Trust us to take your industrial automation to the next level.
Act Now to Propel Your Business Forward
Don't let your business fall behind the curve. Harness the power of automation tools by choosing Zealinx.
Witness firsthand how our Testing and Commissioning services can revolutionize your operations and elevate your business to new heights. For more information or to request a consultation,
Remember, the sooner you invest in automation, the quicker you'll realize the benefits of increased reliability, availability, and safety in your operations.
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Electrical Testing and Commissioning
for Power Systems, SCADA & Substation Automation
Zealinx delivers end-to-end electrical testing and commissioning services for substations, power distribution systems, and industrial facilities — spanning Pan India, the Middle East, Africa, and beyond. From protection relay testing and RTU in substation commissioning to complete SCADA system integration, our engineers validate every system against project specifications, IEC standards, and utility grid codes — ensuring safe, reliable, and compliant energisation.
✓ Site acceptance testing✓ Power system testing & validation✓ Protection relay testing✓ SCADA system integration✓ RTU in substation🌍 Middle East🌍 Pan India🌍 Africa🌐 Worldwide
Engineering, Testing & Commissioning
Zealinx provides comprehensive engineering, testing and commissioning services tailored to the critical demands of the power & energy and oil & gas sectors across Pan India, the Middle East, and Africa. Our team manages the complete project lifecycle — from initial design and system integration to rigorous field testing and seamless commissioning — ensuring every solution is safe, standards-compliant, and operationally ready. As a trusted provider of electrical testing and commissioning services, we apply IEC, IEEE, and utility-specific standards to every engagement, delivering infrastructure that performs under real-world conditions from day one.
Whether supporting greenfield substation builds in the Middle East or retrofit upgrades across Pan India, our engineers bring proven expertise in power system testing, electrical SCADA system validation, and protection commissioning — giving utilities and EPCs a single, accountable delivery partner for the full testing and commissioning scope.
- Site acceptance testing and commissioning
- Power system testing and pre-energisation validation
- Electrical equipment inspection and verification
- Pre-commissioning and functional testing
- Transmission and distribution of electrical power testing
- Documentation, punch-point closure & SAT reporting
Overcoming Complex Commissioning Challenges
Tight timelines or complex commissioning requirements? Zealinx delivers streamlined, expert-driven support to ensure your systems go live safely, efficiently, and on schedule.
Substation Automation Systems (SAS) Integration
Zealinx provides expert integration of Substation Automation Systems (SAS) for modern digital and conventional substations, enabling seamless communication, monitoring, and control of all electrical assets. Our testing and commissioning teams handle IED configuration, parameterisation, and end-to-end validation in compliance with IEC 61850, ensuring reliable data exchange between protection relays, bay control units, and the electrical SCADA system. Whether it is a greenfield commissioning of substation automation layers or a brownfield retrofit across Africa or the Middle East, we deliver a standards-compliant SAS architecture that is grid-ready, cyber-secure, and built for the demands of modern transmission and distribution of electrical power.
Our SAS integration projects span voltage levels from 33kV to 400kV and cover scada electrical communication to utility dispatch centres via IEC 60870-5-101/104. Every electrical testing and commissioning activity is documented to meet utility handover requirements, providing complete traceability from factory acceptance testing through to final energisation.
- SAS engineering, configuration & parameterisation
- IEC 61850 GOOSE, MMS & SAMPLED VALUES testing
- Commissioning of substation automation systems
- Integration with electrical SCADA system and protection schemes
- Monitoring for transmission and distribution networks
- Greenfield and brownfield SAS retrofit projects
Control Relay Panel (CRP) & Protection Relay Testing
Our specialists perform comprehensive protection relay testing and Control Relay Panel (CRP) verification — the most critical discipline in any electrical testing and commissioning programme. We conduct relay setting calculations based on system studies, secondary injection testing to verify protection logic, and trip circuit supervision testing, all aligned with IEC and utility-specific standards. Accurate relay testing is non-negotiable in safeguarding transformers, lines, and busbars across HV/EHV infrastructure serving Pan India, the Middle East, and Africa.
Zealinx engineers have performed protection relay testing on Siemens DIGSI 5, ABB PCM 600, GE EnerVista, and Schneider EcoStruxure platforms — covering overcurrent, differential, distance, earth fault, and auto-reclose protection schemes. Our CRP testing and commissioning process includes full as-built documentation, ensuring every panel is handed over with a complete, traceable test record.
- Protection relay testing and functional commissioning
- Relay testing — overcurrent, differential, distance & earth fault
- Trip circuit supervision and DC supply integrity testing
- Secondary injection testing — primary and backup protection
- CRP panel wiring verification and scheme validation
- Relay testing for utility substations and industrial facilities
SCADA System Integration & Design
Zealinx designs and implements advanced electrical SCADA systems for centralised real-time monitoring and control of substations, power plants, and distribution networks across Pan India, the Middle East, and Africa. Our SCADA system integration services cover architecture design, HMI development, protocol mapping (IEC 60870-5-104, DNP3, Modbus, OPC-DA), and direct integration with utility dispatch and energy management centres. A well-commissioned SCADA system for electrical substation environments is essential for operators managing the reliability of transmission and distribution of electrical power at scale.
Our SCADA for power distribution system deployments deliver real-time data acquisition, alarm rationalisation, historical trending, and automated reporting — with built-in OT cyber security controls aligned to IEC 62443. Unlike generic IT integrators, Zealinx brings deep electrical testing and commissioning expertise to every scada electrical project, ensuring the platform is not just installed but fully validated and operationally proven.
- SCADA system integration for utility and industrial applications
- SCADA system for electrical substation monitoring and control
- SCADA for power distribution system fault management
- HMI development, configuration & operator training
- Alarm rationalisation, reporting & real-time data acquisition
- Cyber-secure SCADA electrical architecture — IEC 62443 aligned
Remote Terminal Unit — RTU in Substation Testing
Zealinx performs complete RTU in substation testing and validation to ensure accurate, low-latency data communication between field devices and control centres. Our testing and commissioning services cover I/O point verification, protocol simulation (IEC 60870-5-101/104, DNP3, Modbus), end-to-end telecontrol testing with the electrical SCADA system, and data concentrator commissioning. Accurate RTU in substation testing is a prerequisite for reliable SCADA system integration — and Zealinx validates every point before handover, supporting utilities across Pan India, the Middle East, and Africa.
- RTU in substation configuration and I/O verification
- Communication protocol testing — IEC 101/104, DNP3, Modbus
- Telemetry and telecontrol validation
- End-to-end SCADA system integration connectivity testing
- Data concentrator and EMS integration
- Point-list verification against electrical SCADA system tags
Programmable Logic Controller (PLC) Testing and Commissioning
Zealinx provides comprehensive PLC testing and commissioning services to verify control logic, I/O wiring, communication integrity, and operational safety for industrial automation systems. We validate ladder logic, function blocks, and interlock sequences under simulated process conditions — critical for oil & gas, pumping stations, and manufacturing environments in the Middle East and Pan India where PLCs govern essential safety shutdown and process control functions. Every PLC commissioning installation is documented with a full test record, I/O schedule, and as-built programme archive.
- PLC programme validation and logic verification
- I/O testing, wiring verification & fault simulation
- Communication testing — Modbus, EtherNet/IP, Profinet
- Functional performance and interlock testing
- Integration with SCADA system integration and field devices
- Safety shutdown system (SIS/ESD) validation
Engineering & Consultation Services
We support clients from concept to commissioning with:
Project Management & Electrical Consultation
Feasibility Studies, Site Assessments & Risk Analysis
Conceptual & Detailed Design (Electrical, Layout, Structural)
Procurement Management for CRP & SAS Panels
Relay Setting Calculations & Protection Coordination
CRP & SAS Panel Commissioning
SCADA/RTU Testing with Dispatch Centers
Site Acceptance Testing (SAT)
Documentation, Reporting & Punch Point Closure
Project Experience & Technical Expertise
We’ve successfully delivered complex infrastructure projects across Africa, including:
SCADA Projects
400/220/33kV Substation
Chimuara, Mozambique
220/110/33kV Substation
Old Chimuara, Mozambique
400/220/33kV Substation
Akoupe, Ivory Coast
Software:
Siemens Digsi 5
IED Configurator
PCM 2.10
Microscada Version 9.4 FP2
400/220/33kV Substation
Alto Molocue, Mozambique
Line Bay Integration
Kinsasha, Congo
IED’s integration:
Siemens 7SL85
Siemens 7SJ66
ABB REC670
ABB REL670
Cewe Prometer 100
Sicam 3000 MFM
and many more..
Why Zealinx
Trusted across borders and industries
We've delivered electrical testing and commissioning projects across Pan India, the Middle East (UAE, Saudi Arabia, Qatar, Oman), and Africa (Mozambique, Ivory Coast, Congo) — bringing international delivery standards to every project regardless of geography.
Expertise in SCADA & substation automation
From SCADA system for electrical substation applications to SCADA for power distribution system integration, we provide complete SCADA system integration with full commissioning validation and OT cyber-secure architecture.
Comprehensive relay and power system testing
Our team performs accurate protection relay testing, relay testing across all protection schemes, and power system testing to IEC and utility standards — ensuring dependable network protection for HV/EHV substations.
Proven RTU in substation & PLC integration
We specialise in RTU in substation testing, PLC validation, and commissioning installation for modern electrical networks — ensuring every field device communicates accurately with the electrical SCADA system from day one.
Unique OT cybersecurity advantage
Zealinx is the only testing and commissioning firm in the region that also delivers IEC 62443-aligned OT cyber assessments — securing your electrical SCADA system and substation automation during and after commissioning, a capability no Chennai or Pan India competitor currently offers.
Engineered to meet IEC, IEEE & utility standards
Every electrical testing and commissioning engagement follows IEC 61850, IEC 60870, IEEE C37, and utility-specific grid codes — giving EPCs, utilities, and industrial clients in the Middle East, Africa, and Pan India full compliance assurance.
FREQUENTLY ASKED QUESTIONS
1. What is electrical testing and commissioning and why is it essential for substations?
Electrical testing and commissioning is the systematic process of verifying, validating, and energising all electrical equipment, protection relay systems, and automation networks in a substation or industrial facility before live operation. It ensures every device performs as designed, reduces post-energisation failures, and is mandatory under IEC standards and utility grid codes — critical for infrastructure across Pan India, the Middle East, and Africa.
2. What does SCADA system integration involve for power distribution systems?
SCADA system integration for power distribution systems connects substations, RTUs in substation, PLCs, and field devices into a centralised monitoring and control platform. Zealinx handles architecture design, protocol mapping, HMI development, and dispatch centre connectivity — delivering SCADA for power distribution system operations that are scalable, cyber-secure, and IEC 62443 aligned.
3. Why is protection relay testing the most critical step in substation commissioning?
Protection relay testing verifies that each relay responds correctly and within the correct operating time under fault conditions — safeguarding transformers, lines, and busbars from damage and preventing cascading failures across the transmission and distribution network. An untested relay is an unvalidated line of defence in any HV or EHV substation. Zealinx performs comprehensive relay testing using secondary injection methods against all relevant IEC protection standards.
4. What is the role of RTU in substation automation and SCADA connectivity?
An RTU in substation collects analogue and digital values from field devices and communicates them in real time to the electrical SCADA system via protocols such as IEC 60870-5-104 or DNP3. Zealinx tests every RTU I/O point end-to-end to ensure data accuracy, minimal latency, and correct alarm mapping before handover — essential for reliable SCADA system integration across utilities in the Middle East and Pan India.
5. Can Zealinx support both new substation commissioning and retrofit projects?
Yes. We provide complete commissioning of substation systems for greenfield projects, and retrofit testing and commissioning, panel upgrades, and relay replacements for existing brownfield infrastructure — across all voltage levels from 11kV to 765kV. Our commissioning installation capabilities span Pan India, the Middle East, and Africa.
6. How does Zealinx's OT cybersecurity capability enhance testing and commissioning?
Zealinx uniquely combines electrical testing and commissioning with IEC 62443-aligned OT cyber assessments — making us the only firm in the region that secures your electrical SCADA system and substation automation during and after commissioning. This means every SCADA system integration we deliver is both operationally validated and cyber-resilient, a differentiated capability no standard testing and commissioning contractor offers.