In our system , we had 51E & 51D (ver 6.3), also 51G (P81 Sun Blade 1500, ver 7.1). They are working well together. I heard in this January 2008, Invensys just launching I/A Series v8.3 , both AW and WP are unix based. Just for domain PC using XP. Regards, Budi T Jatmiko Pertamina's Dumai Refinery Indonesia On Jan 29, 2008 6:05 AM, Kevin Fitzgerrell <fitzgerrell@xxxxxxxxx> wrote: > 51E workstations (Sun Ultra 60) are software, hardware and cable > compatible with 51D workstations (Sun Ultra 5). In my experience they > are far more reliable than 51D workstations, and the hardware is > easier to source. However, they are also at or near Foxboro's EOL. > > 51G and 51F workstations at V7.x can be added to an existing V6.x > system fairly easily. One or two workstations can be added via NCNIs, > more than 2 workstations in an area and you'll probably find it's > easier to add with a pair of NCNIs, a pair of switches. Each > workstation needs it's RCNI (works like the dnbt or dnbi). I'd be > cautious about going this route - it's an easy way to replace a few > workstations, but is likely to be more complex than adding new Solaris > on the Mesh workstations once you get past a few workstations. My > impression is that V8.x is better supported than V7.x. Also, the > 51G(P80/81, Sun Blade 2000/1500) and 51F (P79, Sun Blade 150) > workstations are already past EOL by their manufacturer. The new P82 > Solaris workstations for the Mesh network (Sun Ultra 25) are Foxboro's > only offering that is currently in production by Sun. > > Additionally, I/A version 7.x requires upgrading the rest of your > workstations to at least version 6.4 (and may as well go to 6.5.x). > This is a day 0 upgrade. I/A version 8.x (mesh network) is supposed > to be compatible with I/A back to 6.1. > > At my plant we are in the same position as you. We will not be using > the 51F/51G workstation at version 7.x. We'll add a small v8.x mesh > network to our existing 6.2.1 system and trial both XP and Solaris > workstations and decide how to proceed from there. Initially this > will be a simple addition to our system, but later this year we will > start to replace our carrier band LAN with switches on the mesh for > de-bottlenecking. > > Regards, > > Kevin FitzGerrell > > > On 1/28/08, Amer, Fahad A <fahad.amer@xxxxxxxxxx> wrote: > > Dear list, > > Our DCS is made of 51D machines (which fail frequently) running I/A > > v.6.2.x. The 51D workstations have been announced to be obsolete by end > > of March-08 and we run out of spares. > > > > > > > > I would like to know if there are replacement machines that don't > > require hardware upgrades. Moreover, can 51G or 51F be such an optimum > > replacement for our case. > > > > Or if you there is another alternative (other than Windows XP platform), > > please advise. > > > > > > > > Thanks. > > > > > > > > Fahad Al-Amer > > > > DCS Engineer > > > > Haradh Gas Plant > > > > e-mail: fahad.amer@xxxxxxxxxx <mailto:fahad.amer@xxxxxxxxxx> e-Fax: > > +966 3 874-4444 ext. 105945 , Tel: +966 3 576-2223, Fax: +966 3 576-2717 > > > > > > > > > > > > > > _______________________________________________________________________ > > 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 > > -- Nuwun, Budi TJ _______________________________________________________________________ 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