Re: [foxboro] RTD input - FBM02 vs FBM03

The FBM03 is used for all 2, 3 or 4 wire inputs.  The difference is how you
wire it up with the nosecone.  The FBM02 is a millivolt or thermocouple FBM.
 The RTD input is for wiring a temperature compensation when you do not use
the standard FBM Termination assembly which has the compenstion built in. 
This is on channel #9 of the FBM02.  This is not an RTD FBM however.

Jim Kahlden
jim.kahlden@xxxxxxxx 
Lower Colorado River Authority
Fayette Power Project
6549 Power Plant Road
La Grange, TX 78945
(979) 249-8514 (Ph)
(979) 249-8390 (Fax)



>>> brad.s.wilson@xxxxxxxxxxxxxx 11/17/2004 3:07:19 PM >>>
This will seem like a rather simple question, but I can't determine from
the installation manual what I need for a 3-wire RTD input.

I see that FBM03A is 3-wire input, but I can only find FBM03 on the parts
list (no -A).
Is the same FBM03 module (P0400YD) used for 2, 3 & 4-wire RTD's and the
only difference is the termination cable?

I also see that FBM02 (P0400YC) can be used for 3-wire RTD, which would be
nice since I already have FBM02's.
But what termination cable do I use?  I see reference to a
"customer-supplied termination block and RTD" in the manual ... what is
this?

Brad Wilson
ExxonMobil Chemical Co
Edison Synthetics Plant
732-321-6115
732-321-6177 fax
Brad.S.Wilson@xxxxxxxxxxxxxx 

 
 
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