Siemens SITRANS FST030 - Page 270

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
9077 Unsigned / 2 6
th
value Selection of the sixth
value. Depending on
the number of values.
12 See Selectable values
dependent on the view
type (Page 279).
Read /
write
8050 Unsigned / 2 Trend scale
mode
Scaling mode for the
graph and totalizer
view.
0
● 0: Automatic scaling.
● 1: Fixed scaling
defined by Trend
scale lower limit
(8052) and Trend
scale upper limit
(8054).
Read /
write
8051 Unsigned / 2 Trend log time
window
Scaling of the time axis.
Effective when Trend
scale mode (8050) is
set to 1.
1
● 0: 1 min
● 1: 5 min
● 2: 15 min
● 3: 30 min
● 4: 1 h
● 5: 2 h
● 6: 3 h
Read /
write
8052 Float / 4 Trend scale low‐
er limit
Scaling of the y-axis.
Lower limit. Effective
when Trend scale
mode (8050) is set to 1.
0.0 - Read /
write
8054 Float / 4 Trend scale up‐
per limit
Scaling of the y-axis.
Upper limit. Effective
when Trend scale
mode (8050) is set to 1.
0.0 - Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
270 Operating Instructions, 08/2018, A5E37367739-AD