Siemens SITRANS F Series Operating Instructions Manual page 200
Coriolis flowmeters
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- Operating instructions manual (362 pages) ,
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- Manual (188 pages)
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Modbus communication
B.3 Modbus holding registers tables
Table B-5
Mass flow
Modbus ad‐
Data type /
dress
Size [bytes]
2125
Float / 4
2426
Float / 4
: See Sensor dimension dependent default settings (Page 176)
1)
Table B-6
Volume flow
Modbus ad‐
Data type /
dress
Size [bytes]
2170
Float / 4
: See Sensor dimension dependent default settings (Page 176)
1)
Table B-7
Density
Modbus ad‐
Data type /
dress
Size [bytes]
2127
Float / 4
2129
Unsigned /
2
200
Parameter
Description
Low Mass flow Cut-
Set mass flow limit for low
Off
flow cut-off.
Below this limit mass flow
output is forced to zero.
If Low Flow Cut-Off is set to
0, the cut-off functionality is
disabled.
Notice:
It is recommended to set a
lower value for gas applica‐
tions.
Mass flow Correction
Specify correction factor for
Factor
use in the mass flow calcula‐
tion
Parameter
Description
Low Volume flow Cut
Define the numerical volume
Off
flow value below which the
volume flow output is forced
to zero.
Parameter
Description
Empty Tube Limit
Define threshold value of
empty tube
Empty Tube Detec‐
Set automatic detection of
tion
Empty Tube On/Off
0 = off (Empty tube is off).
1 = on (a density value below
Empty Tube Limit triggers an
alarm. All flow rate values
are forced to zero %).
Default value
Value range Access
[unit]
Sensor size
0 to 1023
specific [kg/s]
1)
1
-1.999 to
+1.999
Default value
Value range Access
[unit]
Sensor size
0 to 0.177
specific [m
/s]
3
1)
Default value
Value range Access
[unit]
500 [kg/m
]
-14 000 to
3
+14 000
0
0 to 1
FC310 (From firmware 4.0)
Operating Instructions, 06/2018, A5E44036384-AA
level
Read /
Write
Read /
Write
level
Read /
Write
level
Read /
Write
Read /
Write
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Troubleshooting
