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Reference Manual
00809-0100-4832, Rev AA
October 2004
3-51
Rosemount 3095FC
Figure 3-28. Modbus Registers
Configuration Screen
Modbus Conversion Conversion codes convert the data into a format that is compatible to a
Modbus device.
Select the Conversion field, on the Modbus Registers or Modbus History
screen, (Configure > Modbus > Modbus Register) to specify the type of
conversion required, if any, on the data before it is sent to the host or before it
is written to the 3095FC. The conversions are used to account for differences
in data types between the master and slave devices. Table 3-8 lists the
Convert Codes used.
Conversion Codes 65 to 72 allows a four-byte IEEE formatted floating point
number to be sent or received in two Modbus registers with the byte orders
configurable. A check is made to ensure that an even number of registers is
requested, that the Start Register number does not begin in the middle of a
register pair, and that the number of registers does not exceed the number of
registers configured.