View Single Post
Old March 15th, 2019, 06:20 PM   #2
Ken Roach
Lifetime Supporting Member + Moderator
United States

Ken Roach is offline
Ken Roach's Avatar
Join Date: Apr 2002
Location: Seattle, WA
Posts: 15,205
What make and model of PLC ?

Some have a Real-Time Clock and a power-down routine that will allow them to store the time of the power failure.
  Reply With Quote