PLC "Power-Down With Memory" means that the PLC operating stage and frequency
before power-down are memorized, and then it will continue to run from the position of the
memorized stage in next power-on. If Power-Down Without Memory is selected, the PLC
process will restart from the starting position for each power-on.
PLC "Stop With Memory" means that the PLC operating stage and frequency before stop
are recorded, and then it will continue to run from the position of the recorded stage in next run.
If Stop Without Memory is selected, the PLC process will restart from the starting position for
each start.