Posted 11 Nov 2020 (edited) HOW DO I MAKE =DT(341) WORK WITH HOUR ONLY IT VONT WORK WITH #38 SO HOW DO I CALCULATE THE MASKING OF HOURS ONLY PLC IS CP1L-E AND CP1H Edited 11 Nov 2020 by ROHRSEL Share this post Link to post Share on other sites
Posted 11 Nov 2020 You will find plenty of threads on the forum. Here's one for example. https://forums.mrplc.com/index.php?/topic/29700-how-to-set-pump-turn-onoff-use-real-time-clockcp1e-n/#comment-163547 Share this post Link to post Share on other sites