OPC is good but, leave yourself some startup and development time if you have not done it before. I completed one recently and I burned about a week to get it to work the first time. Of course the second time will be much easier if it happens before I forget all of the secret squirrel stuff. Chuck Leddon Foxboro Company 770-331-4303 _______________________________________________________________________ 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