© 2026 Lunno. All Rights Reserved.
At Sis Automations, we provide expert PLC programming services to help manufacturers, OEMs, and process-plants achieve greater reliability, faster commissioning and smarter control. From concept and design through to startup and support, we partner with you to deliver automation systems that perform.
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We begin by working with you to define the control objectives, I/O requirements, HMI-/SCADA-interfaces and communication architecture. This means you achieve clear automation goals, reduced complexity and easier future upgrades.
Our code development covers:
Ladder Logic (LD) for relay-style control logic
Function Block Diagram (FBD) and Structured Text (ST) for more advanced algorithms
Custom data types and reusable function blocks for efficient, maintainable code PLCtalk+1
We ensure our programs are structured, well-commented and follow coding standards to make troubleshooting and future modifications seamless.
We integrate PLCs with field devices (sensors, actuators), HMIs, SCADA systems, and industrial networks (Ethernet/IP, Profinet, Modbus, etc). Proper I/O architecture and network setup minimize latency and maximize system responsiveness.
We build operator interfaces that are intuitive, safe and efficient. From alarm handling to trend displays and recipe management, we ensure your team can operate at peak efficiency while maintaining visibility and diagnostics.
Prior to go-live, we conduct offline/offline simulation, hardware-in-the-loop tests, FAT/SAT and structured commissioning to ensure the system works as expected. Our field support helps reduce startup delays and production losses.
Control systems evolve — we provide code review, optimisation, system upgrades and remote support services. Whether it’s expanding I/O, migrating obsolete hardware or adding new features, we keep your system current and efficient.
Reduced plant downtime and fewer unplanned stoppages
Faster time-to-market thanks to streamlined commissioning
Clearer diagnostics and fewer operator errors
Scalable architecture for future growth
Better ROI through reliable automation and fewer maintenance costs
Reduced plant downtime and fewer unplanned stoppages
Faster time-to-market thanks to streamlined commissioning
Clearer diagnostics and fewer operator errors
Scalable architecture for future growth
Better ROI through reliable automation and fewer maintenance costs


1
We aim to accomplish the first goal. And it is what our customers want. Even though sometimes it doesn't match with what our customers need is. We discuss the difference between what they want and what they need and we go with what they decide.
2
We put ourselves in our customer shoes. We deliver as we are expected from our vendors. This adds more work time, effort, engagement, coordination, communication, and more but it pays of when we see a happy customer.
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Our goal is to stablish a bond, great relationship. So that customers are the center of all what we do. That's why 95% percent of our customers stay with us.
© 2026 Lunno. All Rights Reserved.