Free advice? Put the AIM*OPC DA Server on the client machines and use NetAIM*API to connect to the source AW (AW70 or AW51). This is equivalent to Matrikon's "OPC Tunnelling". Why do it? Easy - the setup is much simpler - no DCOM. Worth the time and money, I promise. Regards, Alex Johnson Invensys Process Systems Invensys Systems, Inc. 10707 Haddington Houston, TX 77043 713.722.2859 (voice) 713.722.2700 (switchboard) 713.932.0222 (fax) ajohnson@xxxxxxxxxxx -----Original Message----- From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of Ken Heywood Sent: Wednesday, March 02, 2005 12:26 PM To: Foxboro Freelist (E-mail) Subject: [foxboro] AIM OPC Server Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable =20 I am planning an AIM OPC Server to serve data to two separate networks. = The box will have 3 NIC cards; 1 for I/A, and one each fro each IT = network. Are there any special AIM restrictions? Network addressing or = network connection issues? Has anybody done this? Thanks. =20 * K =20 -- No attachments (even text) are allowed -- -- Type: image/gif -- File: image001.gif -- Desc: image001.gif _______________________________________________________________________ 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