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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
137
A.9.2
Totalizers
Table A- 12 Totalizers
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
8300
Float / 4
Totalizer 1
value
Totalized value of
totalizer 1. Units de-
pends on the selected
process value the
totalizer is configured
to.
Write access if Totaliz-
er 1 target mode is set
to 16: Manual
-
(8321 / 8320 /
8322)
-
Read /
write
8303
Unsigned / 2 Totalizer 1 set
Run, reset, or preset
totalizer 1.
0
•
0: Totalize
•
1: Reset
•
2: Preset to Totalizer
1 preset value
Read /
write
8304
Unsigned / 2 Totalizer 1
direction
Totalizer 1 direction.
1
•
0: Balanced
•
1: Positive
•
2: Negative
•
3: Hold
Read /
write
8316
Float / 4
Totalizer 1
preset value
Preset value which will
be used when Totalizer
1 set is set to 2
-
(8321 / 8320 /
8322)
-
Read /
write
8319
Unsigned / 2 Totalizer 1
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
8400
Float / 4
Totalizer 2
value
Totalized value of
totalizer 2. Units de-
pends on the selected
process value the
totalizer is configured
to.
Write access if Totaliz-
er 2 target mode is set
to 16: Manual
-
(8321 / 8320 /
8322)
-
Read /
write