Slightly diverting from the topic, how many of you folks, do use 100 or 200 ms BPC's, and if yes in what kind of applications. Once when I tried using 100 ms BPC's on a CP40A, the controller loading went upto 95% or so from 70%, and that too for one compound. Thanks & Regards Ajay Tathgir Reliance Industries Limited Mumbai, India _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: http://www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave