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SMV800 Modbus User's Guide
Revision 1.0
3.2.7. Registers for process variables
A complete register map, including coils, holding, floating point and diagnostics are found
later in this section. The register map for the process variables has been designed such that
all dynamic process information can be obtained with a single read. The registers that
provide this capability are shown in
Table 3-4
. In the event of sensor malfunction, the
transmitter will return “NAN” (Not A Number) for the numeric value.
Table 3-4: Modbus Register for Process Variables
Register number(16-bit)
Register number(32-
bit)
Descriptiuon
400 - 401
N/A
Differential pressure
402 - 403
N/A
Static pressure
404 - 405
N/A
Process temperature
391 - 392
N/A
Flow
398 - 399
N/A
Meter body temperature
747 - 748
N/A
Totalizer
396
N/A
Meterbody temperature/ Differential
pressure variable status
397
N/A
Static pressure variable status/ and
Process temperature variable status
395
N/A
Flow/Totalizer variable status
406 - 409
N/A
Tranmitter status information
Содержание SMV800
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