Siemens SITRANS FST030 - Page 194

Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[units]
(units register)
Value range /
Setting options
Access
level
8323 Float / 4 Volume upper
alarm limit
Exceeding this limit
causes an alarm when
volume flow is selected
as input.
Max. floating
point value
[m
3
]
(8321)
Read /
write
8325 Float / 4 Volume upper
warning limit
Exceeding this limit
causes a warning when
volume flow is selected
as input.
Max. floating
point value
[m
3
]
(8321)
Read /
write
8327 Float / 4 Volume lower
warning limit
Falling below this limit
causes a warning when
volume flow is selected
as input.
Min. floating
point value
[m
3
]
(8321)
Read /
write
8329 Float / 4 Volume lower
alarm limit
Falling below this limit
causes an alarm when
volume flow is selected
as input.
Min. floating
point value
[m
3
]
(8321)
Read /
write
8331 Float / 4 Volume alarm
hysteresis
Hysteresis that affects
the alarm and warning
limits when volume
flow is selected as in‐
put.
0.0
[m
3
]
(8321)
- Read /
write
8306 Float / 4 Mass upper
alarm limit
Exceeding this limit
causes an alarm when
mass flow is selected
as input.
Max. floating
point value
[kg]
(8320)
Read /
write
8308 Float / 4 Mass upper
warning limit
Exceeding this limit
causes a warning when
mass flow is selected
as input.
Max. floating
point value
[kg]
(8320)
Read /
write
8310 Float / 4 Mass lower
warning limit
Falling below this limit
causes a warning when
mass flow is selected
as input.
Min. floating
point value
[kg]
(8320)
Read /
write
8312 Float / 4 Mass lower
alarm limit
Falling below this limit
causes an alarm when
mass flow is selected
as input.
Min. floating
point value
[kg]
(8320)
Read /
write
8314 Float / 4 Mass alarm hys‐
teresis
Hysteresis that affects
the alarm and warning
limits when mass flow
is selected as input.
0.0
[kg]
(8320)
- Read /
write
8333 Float / 4 Standard vol‐
ume upper
alarm limit
Exceeding this limit
causes an alarm when
volume flow is selected
as input.
Max. floating
point value
[Sl]
(8322)
Read /
write
8335 Float / 4 Standard vol‐
ume upper
warning limit
Exceeding this limit
causes a warning when
volume flow is selected
as input.
Max. floating
point value
[Sl]
(8322)
Read /
write
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
194 Operating Instructions, 08/2018, A5E37367739-AD