Siemens SITRANS F Series, Operating Instructions Manual, Page: 267 / 362

Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
265
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units regis-
ter)
Value range /
Setting options
Access
level
10635 Float / 4 Fail-safe value
temperature
Input value in case of a
fault and when Fail-
safe behavior config-
ured to 1. Applicable if
process value (10623)
= 1.
Min. medium
temperature
[°C]
(7700)
- Read /
write
10641 Float / 4 Fail-safe value
density
Input value in case of a
fault and when Fail-
safe behavior config-
ured to 1. Applicable if
process value (10623)
= 2.
0.08
[kg/m
3
]
(7600)
- Read /
write
10647 Float / 4 Fail-safe value
viscosity
Input value in case of a
fault and when Fail-
safe behavior config-
ured to 1. Applicable if
process value (10623)
= 3.
0.0
[m
2
/s]
(7524)
- Read /
write
10620 Float / 4 Trimmed input
value
Provides the measured
current value.
- - Read
only
10608 Float / 4 Offset adjust-
ment
Command to trim the
lower range value of
the analog input.
Provide a loop current
of 4.0 mA, read out the
value of Trimmed input
value and write the
value to this register.
- - Write
only
10610 Float / 4 Gain adjust-
ment
Command to trim the
upper range value of
the loop current.
Simulate a loop current
of 20.0 mA, measure
the current with an
ampere meter and
write the measured
value to this register.
- - Write
only