So the question remains, how to use a spare FBM10 in another part of the = plant when it won't communicate because it had been PROMed? Current system version is 6.5.3 - should be the latest images. Best Regards,=20 Ken Heywood=20 Process Control Services, Inc. -----Original Message----- From: Doucet, Terrence [mailto:tdoucet@xxxxxxxxxxxxxxxxxx]=20 Sent: Tuesday, July 24, 2007 9:51 AM To: foxboro@xxxxxxxxxxxxx Subject: [foxboro] RE : FBM10 Communication Issue Ken, =20 You would have to look at release notes for your current rev of the CP's = to be sure, but I think you are correct. Certain new eeprom on FBM's = will not work on CP's with older eeprom levels. =20 Terry ________________________________ De: foxboro-bounce@xxxxxxxxxxxxx de la part de Ken Heywood Date: mar. 2007-07-24 05:13 =C0: foxboro@xxxxxxxxxxxxx Objet : [foxboro] FBM10 Communication Issue I have a bunch of FBM10s that show communication failure on both A and B = fieldbus. I am assured that these were working. However, in this system = using a CP30, they fail. I do have one FBM from a different area that = works, so I know the system is okay. Is it possible that these failing = FBMs have a later EEPROM update that would make fieldbus communications = fail on earlier systems? -------------------------------------------------------- This message (and any associated files) is intended only for the use of = the individual or entity to which it is addressed and may contain = information that is CONFIDENTIAL, subject to copyright or constitutes a = trade secret. If you are not the intended recipient you are hereby = notified that any dissemination, copying or distribution of this = message, or files associated with this message, is strictly prohibited. = If you have received this message in error, please notify us immediately = by replying to the message and deleting it from your computer. Messages = sent to and from PCS may be monitored. 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