The concept of the plc is not going anywhere This shows how much impact obsolete parts, especially plcs, can have [1] The hardware form and programming model of older plcs are changing fast
Automation-Oldies - News, Obsolete, and Reconditioned parts
The core reason plcs still dominate is.
It may seem ok to keep an old plc until it breaks down
Operating antiquated equipment carries actual hazards that can accumulate over time and. When production stops because an old plc fails, the real problem isn’t the part itself — it’s that it’s no longer made Obsolescence in automation equipment is one of the biggest hidden risks in. Programmable logic controllers (plc) are an indispensable part of many industrial systems and processes
These efficient systems may eventually become outdated Programmable logic controllers (plcs) are critical devices for the operation of many industrial plants, but they can become obsolete over time,. While the specific form factor and programming interfaces may change, the core requirements that define a plc—deterministic response, ruggedized hardware, reliable operation in. They are built to last
In fact, some plc models can last for decades
However, not everything gets better with age As plcs age, their underlying software and hardware technologies do. One possibility is for the plc to support a modern communications protocol, such as opc ua, to allow an external application to read the plc data in. Almost 10 years ago, i wrote about the “future of the plc” for this publication
Even back then, it was important to mention that programmable. Older plc systems often lack this flexibility They can become bottlenecks that hinder growth rather than facilitate it Of this percentage, 55% of the failures result from parts that are unavailable, ageing, or becoming obsolete
