Siemens FCT010/DSL, Operating Instructions Manual, Page: 164 / 180

Table C-5 Mass flow
Modbus ad‐
dress Data type /
Size [bytes] Parameter Description Default value
[unit] Value
range Access
level
2125 Float / 4 Low Mass flow Cut-
Off Set mass flow limit for low
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. Sensor size
specific [kg/
s]
1)
0 to 1023 Read /
Write
2426 Float / 4 Mass flow Correction
Factor Specify correction factor for
use in the mass flow calcula‐
tion 1 -1.999 to
+1.999 Read /
Write
1)
: See Sensor dimension dependent default settings (Page 140)
Table C-6 Volume flow
Modbus ad‐
dress Data type /
Size [bytes] Parameter Description Default value
[unit] Value
range Access
level
2170 Float / 4 Low Volume flow Cut
Off Define the numerical volume
flow value below which the
volume flow output is forced
to zero. Sensor size
specific [m
3 /
s]
1)
0 to 0.177 Read /
Write
1)
: See Sensor dimension dependent default settings (Page 140)
Table C-7 Density
Modbus ad‐
dress Data type /
Size [bytes] Parameter Description Default value
[unit] Value
range Access
level
2127 Float / 4 Empty Tube Limit Define threshold value of
empty tube 500 [kg/m
3
] -14 000 to
+14 000 Read /
Write
2129 Unsigned / 2 Empty Tube Detection Set automatic detection of
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 %).
0 0 to 1
Read /
Write
Modbus communication FCT010
C.4 Modbus holding registers tables
SITRANS MASS 2100 & FC300 (FCT010/DSL)
164
Operating Instructions, 06/2020, A5E39788682-AB