Remember that a non connected parameter can be written form several place= s like: =0A=0ADisplay, Overlay, Programs (omset), other sequence blocks. = =0A=0A =0A=0AIf you are lucky you can find the COMPOUND:BLOCK.PARAM directl= y. If this path is composed in some other way the search can be somewhat m= ore difficult. =0A=0A =0A=0ASucces, =0A=0A =0A=0AMartijn =0A=0ASr.DCS appl= ication Engineer =0A=0A =0A=0AKashif Ijaz wrote: =0A=0AI have got IND seque= nce block. It is using BI0001 upto BI0004 in use. but I cannot see the the = SOURCE for BI0001. May be some program is writing to it. =0A=0A =0A=0AHow = can I get the cross reference for BI0001. =0A=0A =0A=0ARegards, =0A=0A = =0A=0AKashif Ijaz =0A=0AINTECH Process Automation =0A=0A=0A=0A=0A=0A=0A=0A= =0A=0A=0A=0A _________________________________________________________= _=0ASent from Yahoo! Mail - a smarter inbox http://uk.mail.yahoo.com=0A _______________________________________________________________________ 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