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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
175
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
1065
Unsigned / 2 Multipoint cali-
bration status
Status of last per-
formed Multipoint cali-
bration command.
0
•
0: Command suc-
cessfully performed.
•
1: Sanity check
failed. Not all calibra-
tion points are in
nominal ascending
order.
•
2: Command not
performed. Calibra-
tion table is protect-
ed.
Read
only
1070
Float / 4
Calibration
point 1
Calibration point 1 for
undirectional flow or
calibration point 1 for
bidirectional positive
flow.
If 0.0 the calibration
point is not used.
0.0
[m
3
/s]
(7500)
0.0 - 100000.0
Read /
write
(Expert)
1072
Float / 4
Calibration
value 1
Calibration correction
factor that is associat-
ed to Calibration point
1.
1.0
0.5 - 2.0
Read /
write
(Expert)
1074
Float / 4
Calibration
point 2
Calibration point 2 for
undirectional flow or
calibration point 2 for
bidirectional positive
flow.
If 0.0 the calibration
point is not used.
0.0
[m
3
/s]
(7500)
0.0 - 100000.0
Read /
write
(Expert)
1076
Float / 4
Calibration
value 2
Calibration correction
factor that is associat-
ed to Calibration point
2.
1.0
0.5 - 2.0
Read /
write
(Expert)
1078
Float / 4
Calibration
point 3
Calibration point 3 for
undirectional flow or
calibration point 3 for
bidirectional positive
flow.
If 0.0 the calibration
point is not used.
0.0
[m
3
/s]
0.0 - 100000.0
Read /
write
(Expert)
1080
Float / 4
Calibration
value 3
Calibration correction
factor that is associat-
ed to Calibration point
3.
1.0
0.5 - 2.0
Read /
write
(Expert)