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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
275
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8057
Unsigned / 2 Trend log time
window
Scaling of the time
axis. Effective when
Trend scale mode
(8056) 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
8058
Float / 4
Trend scale
lower limit
Scaling of the y-axis.
Lower limit. Effective
when Trend scale
mode (8056) is set to
1.
0.0
-
Read /
write
8060
Float / 4
Trend scale
upper limit
Scaling of the y-axis.
Upper limit. Effective
when Trend scale
mode (8056) is set to
1.
0.0
-
Read /
write
View 3 settings
Table A- 74 View 3 settings
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
9014
Unsigned / 2 Enable or disa-
ble
Enable or disable view. 1
•
0: Disabled.
•
1: Enabled.
Read /
write
9009
Unsigned / 2 View
Type of appearance.
6
•
1: Single value.
•
2: Active diagnostic
events.
•
3: Three values.
•
4: Totalizer.
•
6: 1 value and bar
graph.
•
7: 1 value and graph.
•
8: Six values.
•
9: Six diagnostic
values.
Read /
write
9024
Unsigned / 2 1
st
value
Selection of the first
value.
3
Read /
write