Re: [foxboro] Saab tank gauging interface
- From: steve.shimp@xxxxxxxxxxxxxx
- To: foxboro@xxxxxxxxxxxxx
- Date: Thu, 12 Jul 2007 10:07:45 -0400
Tim,
I have a similar setup, but I am using an FBM224 (Modbus). When we first
setup the communication interface, we had problems with I/A reporting brief
hardware failures. Long story short, the Saab side (TankMaster) was
reporting codes "06" occasionally, which means that it got the request for
information, but was too busy to respond right now. This is a valid Modbus
reply code, but I/A was treating it as an error. We installed (by chance)
a newer version of TankMaster and the problem disappeared.
I know this doesn't answer your question completely, but it may be
something similar...
Steve Shimp
Maintenance & Systems Engineer
ExxonMobil Paulsboro Lube Plant
phone: 856.224.5059 cell: 609.820.8501 fax: 856.224.5030
email: steve.shimp@xxxxxxxxxxxxxx
foxboro-bounce@xxxxxxxxxxxxx wrote on 07/12/2007 09:10:56 AM:
> This is probably a long shot, but has anybody else out there
> attempted to connect a Saab tank gauging Modbus interface to the I/A
> system via an FBM230? One of our refineries just cut over their
> Saab interface to I/A and they have intermittent communication time-
> outs every hour or so, which causes every point to briefly smurf and
> then recover. They are trying all the usual Modbus communications
> troubleshooting methods, but if someone had already seen and solved
> this particular problem with the Saab interface, it might be helpful to
us.
> Thanks,
>
> Tim Lowell
> Tesoro
> tlowell@xxxxxxxxxxx
>
>
>
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