Siemens SITRANS F series Operating Instructions Manual page 211

Modbus Data type /
register Size in bytes
8929 Float / 4
10024 Float / 4
10026 Float / 4
10028 Float / 4
10030 Float / 4
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description
Lower range Lower standard volume
value standard flow value that is
volume flow mapped to the lower
nominal range bounda-
ry selected by Fre-
quency value low
(8937). Applicable if
Process value (8904) =
27.
Upper range Upper velocity value
value velocity that is mapped to the
upper nominal range
boundary selected by
Frequency value high
(8935). Applicable if
Process value (8904) =
18, 19 or 31.
Lower range Lower velocity value
value velocity that is mapped to the
lower nominal range
boundary selected by
Frequency value low
(8937). Applicable if
Process value (8904) =
18, 19 or 31.
Upper range Upper process pres-
value pressure sure value that is
mapped to the upper
nominal range bounda-
ry selected by Fre-
quency value high
(8935). Applicable if
Process value (8904) =
20.
Lower range Lower process pres-
value pressure sure value that is
mapped to the lower
nominal range bounda-
ry selected by Fre-
quency value low
(8937). Applicable if
Process value (8904) =
20.
A.9 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units regis-
ter)
0.0 -
[Sm /h]
3
(7964)
1.0 -
[m/s]
(8014 / 7648)
0.0 -
[m/s]
(8014 / 7648)
100000.0 -
[Pa]
(7548)
0.0 -
[Pa]
(7548)
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
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