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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
154
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
8492
Float / 4
Custom velocity
units factor
Conversion
factor for
user specif-
ic velocity
values
related to
m/s.
1.0
-
Read /
write
8452
String / 8
Custom volume
units string
User spe-
cific string
for volume
quantities.
--------
-
Read /
write
8450
Float / 4
Custom volume
units factor
Conversion
factor for
user specif-
ic volume
quantities
related to
m
3
.
1.0
-
Read /
write
8476
String / 8
Custom mass
units string
User spe-
cific string
for mass
quantities.
--------
-
Read /
write
8474
Float / 4
Custom mass
units factor
Conversion
factor for
user specif-
ic mass
quantities
related to
kg.
1.0
-
Read /
write