Siemens SITRANS F Coriolis FCT030 Function Manual page 79

Modbus Data type /
register Size in bytes
8527 Float / 4
8529 Float / 4
8531 Float / 4
8506 Float / 4
8508 Float / 4
8510 Float / 4
8512 Float / 4
8514 Float / 4
8533 Float / 4
8535 Float / 4
8537 Float / 4
FCT030 Modbus (From firmware 4.0)
Function Manual, 06/2018, A5E39931813-AB
Parameter Description
Volume lower Falling below this limit
warning limit causes a warning when
volume flow is selected
as input.
Volume lower Falling below this limit
alarm limit causes an alarm when
volume flow is selected
as input.
Volume alarm Hysteresis that affects
hysteresis the alarm and warning
limits when volume
flow is selected as in‐
put.
Mass upper Exceeding this limit
alarm limit causes an alarm when
mass flow is selected
as input.
Mass upper Exceeding this limit
warning limit causes a warning when
mass flow is selected
as input.
Mass lower Falling below this limit
warning limit causes a warning when
mass flow is selected
as input.
Mass lower Falling below this limit
alarm limit causes an alarm when
mass flow is selected
as input.
Mass alarm hys‐ Hysteresis that affects
teresis the alarm and warning
limits when mass flow
is selected as input.
Standard vol‐ Exceeding this limit
ume upper causes an alarm when
alarm limit volume flow is selected
as input.
Standard vol‐ Exceeding this limit
ume upper causes a warning when
warning limit volume flow is selected
as input.
Standard vol‐ Falling below this limit
ume lower causes a warning when
warning limit volume flow is selected
as input.
4.10 Modbus holding registers tables
Default value Value range /
[units] Setting options
(units register)
Min. floating
point value
[m ]
3
(8521)
Min. floating
point value
[m ]
3
(8521)
0.0 -
[m ]
3
(8521)
Max. floating
point value
[kg]
(8520)
Max. floating
point value
[kg]
(8520)
Min. floating
point value
[kg]
(8520)
Min. floating
point value
[kg]
(8520)
0.0 -
[kg]
(8520)
Max. floating
point value
[Sl]
(8522)
Max. floating
point value
[Sl]
(8522)
Min. floating
point value
[Sl]
(8522)
MODBUS commands
Access
level
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
Read /
write
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