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Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8081
Unsigned / 2
Trend log time
window
Scaling of the time axis.
Effective when Trend
scale mode (8080) 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
8082
Float / 4
Trend scale low‐
er limit
Scaling of the y-axis.
Lower limit. Effective
when Trend scale
mode (8080) is set to 1.
0.0
-
Read /
write
8084
Float / 4
Trend scale up‐
per limit
Scaling of the y-axis.
Upper limit. Effective
when Trend scale
mode (8080) is set to 1.
0.0
-
Read /
write
4.10.5.11
Selectable values dependent on the view type
Selectable values dependent on the view type
Table 4-57
Selectable values dependent on the view type
Selected view type
Setting options
Single value, Three values, 1 value
and bar graph, 1 value and graph
● 0: Mass flow
● 1: Volume flow
● 2: Density
● 3: Medium temperature
● 4: Standard volume Flow
● 5: Fraction Flow Media A
● 6: Fraction Flow Media B
● 7: Fraction Flow Media A in Percent
● 8: Fraction Flow Media B in Percent
● 9: Reference density
● 11: Totalizer 1
● 12: Totalizer 2
● 13: Totalizer 3
Totalizer
● 11: Totalizer 1
● 12: Totalizer 2
● 13: Totalizer 3
MODBUS commands
4.10 Modbus holding registers tables
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
133