HMI SCADA platform to learn in 2026 is the wrong first question, and this Reddit round up explains why the backend matters more than the graphics library. Ignition is still the free starting point, but the real skill gap is somewhere else entirely.
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- Connecting an Allen Bradley PLC to Ignition:
https://www.joltek.com/blog/connecting-allen-bradley-plc-ignition- Understanding Industrial Ethernet Reliability:
https://www.joltek.com/blog/industrial-ethernet-reliability- Humble Beginnings: Consulting and Upskilling in Systems Integration:
https://www.joltek.com/blog/humble-beginnings-consulting-upskilling-systems-integration- Workforce Development and Education:
https://www.joltek.com/services/service-details-workforce-development-educationSomeone asked which HMI and SCADA platform is worth learning in 2026, and said they wanted something with richer graphical libraries than Wintek or Siemens can offer. The honest answer disappointed the comment section a little. Modern UI components are being commoditized by AI assisted design tools across every platform, Ignition included, so chasing the platform with the prettiest screens is chasing the wrong variable. The place a HMI and SCADA build actually lives or dies is the back end. That means the historian structure, the network that feeds it, and whether the database is organized to answer the questions the plant will eventually ask about batching, throughput, and overall equipment effectiveness. Ignition remains the right free starting point because Inductive University runs a full course at no cost and the gateway trial resets on a two hour cycle indefinitely, but the platform choice matters far less than whether there is a real project waiting to apply it to.
The rest of this episode covers four more questions pulled from the top of r/PLC this month. A Siemens PLC salvaged from a flooded scrap panel now runs a Street Fighter arcade cabinet over Modbus, which is a genuinely useful reminder of how conformally coated boards survive water if the short circuit never reaches the fuse. A photo of a Stratix switch mid configuration becomes a full explanation of device level ring, the ring topology that gives a plant two paths back to the switch instead of one so a single cable failure never takes a node off the network entirely. A wash down panel built for an ice cream line raises a real design question worth sitting with. Why do a PLC and safety module worth roughly $20,000 sit at the bottom of the enclosure while ABB variable frequency drives worth $600 to $1,000 each sit at the top, closer to any moisture that gets past the gasket seals. And a newly graduated automation technician, twenty one years old and the only backup before his one experienced colleague quits, asks how to manage the fear of messing up on a continuous production line. That answer draws directly on what it felt like starting as a controls engineer at Procter and Gamble in 2014 without having heard the word PLC before, which is a more common starting point in this field than most new hires are told.
The programming language debate closes the episode. Ladder logic, structured text, and function block diagrams all compile to the same binary, so the language itself is never the technical constraint. What actually decides the choice is the customer, the industry, and how much complexity the next person troubleshooting the program will need to untangle.
Timestamps
0:00 Intro and where to catch me at ICC and ISA
0:59 Flooded Siemens PLC rebuilt into a Street Fighter arcade controller
5:08 Device level ring explained on a real Stratix switch
10:59 Ice cream wash down panel teardown: Kinetix servos and ABB VFDs
19:00 Imposter syndrome and advice for a new automation technician
26:58 Which HMI and SCADA platform to learn in 2026
32:32 Ladder logic vs structured text vs function block diagrams
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