Omar, Is it stated as FD30 or MG30 in SMDH? For an MG30 or MG3B, the Eeprom contains the Modbus protocol handler. If it is a FD30, the Eeprom does not have a protocol handler and needs to be installed separately. The protocol handlers for a FD30 and FD3B are NOT compatible. They are compiled against the libraries of the Eeprom which are different for a FD30 and FD3B. Make sure that you have the correct protocol handlers when migrating from a FD30 to a FD3B. The type of protocol handler used is listed in a text file. In the folder /usr/fox/sp/files/addresses there is a file called addr.<letterbug>. Open that file with a text editor and look for the line containing IMAGE186. The string after that line contains codes which identifies which type and version it is. Sent this information to an Invensys representative and he can provide you the correct version of the protocol handler. BTW: When you have received the new floppy images with the protocol handler, be very precautious when installing. It will go thru all available integrators one by one and you have to select 'cancel' for the ones where you do not want to install the new version (otherwise you may overwrite an existing installation of another integrator with another type of protocol handler). Best regards, Gerrit van Doorn Senior Application Engineer Baarnsche dijk 10 3741 LS BAARN T +31 (0) 35 5484 188 F +31 (0) 35 5484 185 E gerrit.vandoorn@xxxxxxxxxxxx iom.invensys.com -----Original Message----- From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of Abdulwahed, Omar T Sent: woensdag 8 augustus 2012 9:29 To: foxboro@xxxxxxxxxxxxx Subject: [foxboro] Hardware Software Mismatch Greetings Ladies and Gentlemen, We have a failed gateway that we are trying to replace. When trying to install another GW30B, it didn't work. When we checked the system monitor, it showed us GW30A. In other words, we have a mismatch. The GW is physically 30B but has been configured as 30A. I would appreciate any assistance in how to resolve this issue. Regards, Omar Alabdulwahed DCS Engineer Uthmaniyah Gas Plant ________________________________ The contents of this email, including all related responses, files and attachments transmitted with it (collectively referred to as "this Email"), are intended solely for the use of the individual/entity to whom/which they are addressed, and may contain confidential and/or legally privileged information. This Email may not be disclosed or forwarded to anyone else without authorization from the originator of this Email. If you have received this Email in error, please notify the sender immediately and delete all copies from your system. Please note that the views or opinions presented in this Email are those of the author and may not necessarily represent those of Saudi Aramco. 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