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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
138
Operating Instructions, 08/2017, A5E37367739-AC
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
8403
Unsigned / 2 Totalizer 2 set
Run, reset, or preset
totalizer 2.
Possible selections:
0
•
0: Totalize
•
1: Reset
•
2: Preset to Totalizer
1 preset value
Read /
write
8404
Unsigned / 2 Totalizer 2
direction
Totalizer 2 direction.
1
•
0: Balanced
•
1: Positive
•
2: Negative
•
3: Hold
Read /
write
8416
Float / 4
Totalizer 2
preset value
Preset value which will
be used when Totalizer
2 set is set to 2
-
(8321 / 8320 /
8322)
-
Read /
write
8419
Unsigned / 2 Totalizer 2
target mode
Sets the desired mode
for the totalizer.
8
•
8. Auto, the totalizer
algorithm running
•
16: Man, the totalizer
algorithm is stopped.
The totalizer value
can be written
Read /
write
8500
Float / 4
Totalizer 3
value
Totalized value of
totalizer 3. Units de-
pends on the selected
process value the
totalizer is configured
to.
Write access if Totaliz-
er 3 target mode is set
to 16: Manual
-
(8321 / 8320 /
8322)
-
Read /
write
8503
Unsigned / 2 Totalizer 3 set
Run, reset, or preset
totalizer 3.
0
•
0: Totalize
•
1: Reset
•
2: Preset to Totalizer
1 preset value
Read /
write
8504
Unsigned / 2 Totalizer 3
direction
Totalizer 3 direction.
1
•
0: Balanced
•
1: Positive
•
2: Negative
•
3: Hold
Read /
write
8516
Float / 4
Totalizer 3
preset value
Preset value which will
be used when Totalizer
3 set is set to 2
-
(8321 / 8320 /
8322)
-
Read /
write