Blog: Why Modbus Refuses to Die #4436
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andreguerra7
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Jan 26, 2026
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@sumitshinde-84 Approved, please check my first comment
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| Yet in 2026, new equipment still ships with Modbus as the primary interface. Not tucked away for backwards compatibility: front and center as the deliberate first choice. |
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@sumitshinde-84 suggestion Not tucked away for backward compatibility, but front and center as the deliberate first choice
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| title: "Why Modbus Refuses to Die" | ||
| subtitle: "Why your factory's newest equipment still speaks a 46-year-old language" | ||
| description: "Learn why Modbus, a 46-year-old protocol with zero security, still dominates industrial automation despite billions invested in modern alternatives" |
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@sumitshinde-84 It should be 47-years-old (1979 - 2026)
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| Modbus is 46 years old and has no built-in security. By every measure, it should have been obsolete a decade ago. OPC UA, EtherNet/IP, MQTT, Profinet: modern protocols with semantic modeling, encryption, and real-time capabilities arrived backed by billions in vendor investment and industry standardization efforts. |
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