Thanks, I probably missed that footnote.... So the logic block can read real in's, but only for timing functions..... Foxboro "Logic" I guess..... Rgds, Dirk Pauwels - DCS/MOC coordinator Engineering dept. Hexion Specialty Chemicals E mail: dirk.pauwels@xxxxxxxxxx T. +32.(0)3.570.95.97 F. +32.(0)3.570.16.09 Mob. +32.(0)497.428.300 Gregory A Hurwitt <gregory.hurwitt@ basf.com> To Sent by: foxboro@xxxxxxxxxxxxx foxboro-bounce@fr cc eelists.org Subject Re: [foxboro] Logic block question 12-10-2007 19:26 Please respond to foxboro@freelists .org In fact, the documentation states explicitly: "Real inputs are supported only for timing logic operations." (B0193AX, Rev. S, Section 75.1, footnote 1 at the bottom of the table) You might want to consider a MATH block if you're looking to minimize block memory. Greg Hurwitt BASF Freeport foxboro-bounce@xxxxxxxxxxxxx wrote on 10/12/2007 10:43:25 AM: > There are certain commands which can still be used with the real inputs, for > example DON, DOFF, OSP. > Maks > > > > On 10/12/07, dirk.pauwels@xxxxxxxxxx <dirk.pauwels@xxxxxxxxxx> wrote: > > > > > > Does anyone know why the logic block has 2 Real in's when a command like > > IN > > RI01 does not work? I keep getting configuration error on this step and > > now > > I'm forced to use a CALC block just for a couple of lines of code.... I > > can't find anything in the manual regarding this strange behaviour > > We're using I/A 6.3 > > _______________________________________________________________________ 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: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave _______________________________________________________________________ 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: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave