How long does M168 controller can retains its application program after power off condition.
Modicon M168 Controller does not have an internal battery.The Real Time Clock will keep the time for
2 days. This is achieved by a Supercap.The Application is written to a flash memory and will stay "forever"
without the need of a battery.So, M168 controller will not loose its program ,even if the controller has
been switched OFF for unlimited time period.