We’ve had many requests over the years to put time bombs into the PLC programs that run machine controls and control system design. These time bombs are usually requested by our OEM customers who want recourse when a bill goes unpaid.

We have resisted most of these requests because there are laws against such practices but… this article sheds a little more light on what is and is not legal. Interesting read for anyone who manufactures and sells equipment that’s run by software, which is to say, almost everyone.