[foxboro] Floating point data via FBM 224

I am trying to read floating point data from a Triconex system (Tricon
V9.x) with an FBM 224.  Data is in Memory/Real/Read-only addresses in the
Tricon (Modbus alias numbers 33xxx).  The "Example for Reading a
Floating-Point Input" in document B0400FK hasn't been much help.

The FBM 224 is a new replacement for an old Modicon Gateway 30.  Contact
and integer reads have been tested successfully in the new FBM 224.

In the old Modicon Gateway, the floating point data has been read using
SCAN blocks with DATYPE = 4 and BITLEN = 16, and AIN blocks with SCI = 12.


Greg Hurwitt
BASF Corporation
Freeport, TX 77541

 
 
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