> Mesh -> AW (51 or 70) -> FW -> AW (51 or 70) -> [FW] -> PIN -> PCs >=20 Hi, what is with redundancy or is it a single isolation station? A single point of failure is good for debugging but bad for reliability. Regards, Andreas _______________________________________________________________________ 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