// PLC · SCADA · OPC-UA

PLC & Industrial Automation

Deep-dives into PLC programming, OPC-UA, Modbus TCP, SCADA, HMI design, and real-time machine connectivity.

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8 min read

How to Connect a Siemens S7-1200 PLC to a Web Dashboard via OPC-UA

A step-by-step guide to reading live machine data from a Siemens PLC and displaying it on a browser-based dashboard — no proprietary software required.

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6 min read

SCADA vs Custom Dashboard: When to Choose Each for Your Factory

Traditional SCADA systems and modern web dashboards both visualise machine data — but they serve very different purposes. Here is how to decide.

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7 min read

Allen-Bradley PLC Integration: Connecting RSLogix 5000 to Cloud via EtherNet/IP

Rockwell Automation PLCs are common in Indian automotive and FMCG factories. Here is how to read live data from ControlLogix and CompactLogix systems.

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5 min read

HMI Design Best Practices: Building Operator Screens That Reduce Errors

A poorly designed HMI causes more downtime than machine failures. Here are the interface design principles used by the best industrial facilities in the world.

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6 min read

Modbus TCP vs OPC-UA — Which Protocol Should You Choose for Your Factory?

Both protocols connect industrial machines to software systems, but they serve different use cases. Here is a practical comparison for plant engineers and IT managers.

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7 min read

PLC Data Logging: How to Store 10 Years of Machine History Without Losing Data

Most factories throw away machine data after 30–90 days. Here is how to design a data retention architecture that keeps everything indefinitely at minimal cost.

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8 min read

Industrial Network Architecture: Separating OT and IT Networks in Your Factory

Connecting factory PLCs to the internet without proper network segmentation is a serious security risk. Here is how to design a safe OT/IT network architecture.

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6 min read

Mitsubishi PLC Integration: Connecting MELSEC Q/iQ-R to Web Platforms

Mitsubishi PLCs are extremely common in Indian automotive and electronics factories. Here is how to integrate MELSEC series controllers with modern web and mobile applications.

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