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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
246
Operating Instructions, 08/2017, A5E37367739-AC
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
9380
Float / 4
Lower range
value standard
volume flow
Lower standard volume
flow value that is
mapped to the lower
nominal range bounda-
ry selected by Current
mode (9306). Applica-
ble if Process value
(9302) = 27.
0.0
[Sm
3
/h]
(7964)
-
Read /
write
10200
Float / 4
Upper range
value velocity
Upper velocity value
that is mapped to the
upper nominal range
boundary selected by
Current mode (9306).
Applicable if Process
value (9302) = 18, 19
or 31.
1.0
[m/s]
(8014 / 7648)
-
Read /
write
10202
Float / 4
Lower range
value velocity
Lower velocity value
that is mapped to the
lower nominal range
boundary selected by
Current mode (9306).
Applicable if Process
value (9302) = 18, 19
or 31.
0.0
[m/s]
(8014 / 7648)
-
Read /
write
10204
Float / 4
Upper range
value pressure
Upper process pres-
sure value that is
mapped to the upper
nominal range bounda-
ry selected by Current
mode (9306). Applica-
ble if Process value
(9302) = 20.
100000.0
[Pa]
(7548)
-
Read /
write
10206
Float / 4
Lower range
value pressure
Lower process pres-
sure value that is
mapped to the lower
nominal range bounda-
ry selected by Current
mode (9306). Applica-
ble if Process value
(9302) = 20.
0.0
[Pa]
(7548)
-
Read /
write
10208
Float / 4
Upper range
value dimen-
sionless
Upper dimensionless
value that is mapped to
the upper nominal
range boundary se-
lected by Current mode
(9306). Applicable if
Process value (9302) =
28, 32, 33, 34, or 36.
1.0
-
Read /
write