Siemens SITRANS FST030 - Page 230

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
10140 Float / 4 Upper range
value viscosity
Upper process viscosi‐
ty value that is mapped
to the upper nominal
range boundary selec‐
ted by Frequency value
high (9235). Applicable
if Process value (9204)
= 21 or 29.
1.0
[m²/s]
(7524)
- Read /
write
10142 Float / 4 Lower range
value viscosity
Lower process viscosi‐
ty value that is mapped
to the lower nominal
range boundary selec‐
ted by Frequency value
low (9237). Applicable
if Process value (9204)
= 21 or 29.
0.0
[m²/s]
(7524)
- Read /
write
10168 Float / 4 Upper range
value ROC
Upper rate of change
value that is mapped to
the upper nominal
range boundary selec‐
ted by Frequency value
high (9235). Applicable
if Process value (9204)
= 36.
1.0
[m/s²]
(8564)
- Read /
write
10170 Float / 4 Lower range
value ROC
Lower rate of change
value that is mapped to
the lower nominal
range boundary selec‐
ted by Frequency value
low (9237). Applicable
if Process value (9204)
= 36.
0.0
[m/s²]
(8564)
- Read /
write
9208 Float / 4 Damping value Time constant of damp‐
ing filter for frequency
output signal.
0.0
[s]
0.0 - 100.0 Read /
write
9591 Unsigned / 2 Fail-safe activa‐
tion condition
Fail-safe activation con‐
dition.
1
● 0: Bad status of
selected process
value
● 1: Active
Maintenance alarm
or Failure (NAMUR)
Read /
write
9281 Unsigned / 2 Fail-safe min.
time
Minimum time the out‐
put stays in fail-safe be‐
havior.
0
[s]
0 - 100 Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
230 Operating Instructions, 08/2018, A5E37367739-AD