Siemens SITRANS F series Operating Instructions Manual page 281

Modbus Data type /
register Size in bytes
9031 Unsigned / 2
9032 Unsigned / 2
9087 Unsigned / 2
9088 Unsigned / 2
9089 Unsigned / 2
8074 Unsigned / 2
8075 Unsigned / 2
8076 Float / 4
8078 Float / 4
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
Parameter Description
2 value Selection of the second
nd
value. Depending on
the number of values.
3 value Selection of the third
rd
value. Depending on
the number of values.
4 value Selection of the fourth
th
value. Depending on
the number of values.
5 value Selection of the fifth
th
value. Depending on
the number of values.
6 value Selection of the sixth
th
value. Depending on
the number of values.
Trend scale Scaling mode for the
mode graph and totalizer
view.
Trend log time Scaling of the time
window axis. Effective when
Trend scale mode
(8074) is set to 1.
Trend scale Scaling of the y-axis.
lower limit Lower limit. Effective
when Trend scale
mode (8074) is set to
1.
Trend scale Scaling of the y-axis.
upper limit Upper limit. Effective
when Trend scale
mode (8074) is set to
1.
A.9 Modbus holding registers tables
Default value Value range /
[unit] Setting options
(unit register)
2 See Selectable values
dependent on the view
type (Page 282).
3 See Selectable values
dependent on the view
type (Page 282).
1 See Selectable values
dependent on the view
type (Page 282).
0 See Selectable values
dependent on the view
type (Page 282).
12 See Selectable values
dependent on the view
type (Page 282).
0
0: Automatic scaling.
•
1: Fixed scaling de-
•
fined by Trend scale
lower limit (8076) and
Trend scale upper
limit (8078).
1
0: 1 min
•
1: 5 min
•
2: 15 min
•
3: 30 min
•
4: 1 h
•
5: 2 h
•
6: 3 h
•
0.0 -
0.0 -
Modbus communication
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
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