Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
10535 Float / 4 Fail-safe tem‐
perature value
Input value in case of a
fault and when Fail-
safe behavior (10524)
configured to 1. Appli‐
cable if Process value
(10523) = 1.
Min. medium
temperature
[°C]
(7700)
- Read /
write
10541 Float / 4 Fail-safe value
density
Input value in case of a
fault and when Fail-
safe behavior (10524)
configured to 1. Appli‐
cable if Process value
(10523) = 2.
600.0
[kg/m
3
]
(7600)
- Read /
write
10547 Float / 4 Fail-safe value
viscosity
Input value in case of a
fault and when Fail-
safe behavior (10524)
configured to 1. Appli‐
cable if Process value
(10523) = 3.
0.0
[m
2
/s]
(7524)
- Read /
write
10520 Float / 4 Trimmed input
value
Provides the measured
current value.
- - Read
only
10508 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 val‐
ue to this register.
- - Write on‐
ly
10510 Float / 4 Gain adjustment Command to trim the
upper range value of
the loop current.
Simulate a loop current
of 20.0 mA, measure
the current with an am‐
pere meter and write
the measured value to
this register.
- - Write on‐
ly
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 239