What's the most frustrating 'vendor lock-in' experience you've had with industrial automation components, and how did you work around proprietary protocols or software?

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Oh man, where do I even start? One of my most frustrating experiences was with a legacy PLC system that used a completely proprietary protocol that the vendor had discontinued support for. We had critical production data trapped in this system, and the vendor wanted to charge us an arm and a leg just to access our own data! The real kicker was that their newer systems couldn&#39;t even talk to the old one without expensive middleware. We were stuck between paying outrageous licensing fees or replacing the entire system. How did we work around it? We ended up using a protocol converter gateway - basically a little hardware device that could translate between their proprietary protocol and standard Modbus TCP. It wasn&#39;t perfect (we lost some functionality), but at least we could get our data out and integrate it with our newer SCADA system. Another approach I&#39;ve seen work well is using open-source software platforms like Node-RED or Ignition that have extensive protocol libraries. They can often talk to proprietary systems when you can&#39;t get native drivers. The lesson learned? Always push for open standards like OPC UA or Modbus when specifying new equipment, even if it costs a bit more upfront. That vendor lock-in pain is real!

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What's the most frustrating 'vendor lock-in' experience you've had with industrial automation components, and how did you work around proprietary protocols or software?

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