Why not just secure the AUTDSR parameter and then wait to see which sequence block fails. John Windle Invensys Process Systems Foxboro, MA > -----Original Message----- > From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] > On Behalf Of Ashley Davey > Sent: Friday, May 20, 2005 2:04 AM > To: foxboro@xxxxxxxxxxxxx > Subject: [foxboro] Trapping calls > > Hi List > > I have a GDEV configured to control a valve. > The AUTDSR parameter is not linked. > However, if I set AUTDSR to 1, (i.e. open the valve), > something (a sequence perhaps) sets the AUTDSR to 0. (closes valve) > > Is there a means of "trapping" this call so as to identify what is > closing this valve. > > Thank you for your assistance. > > Regards > > Ashley Davey > African Products (Pty) Ltd > South Africa > > Tel: +27 11 4585342. > > > > _______________________________________________________________________ > 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 > _______________________________________________________________________ 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