Siemens FCT010/DSL, Operating Instructions Manual, Page: 169 / 180

Table C-13 Zero point adjustment
Modbus ad‐
dress Data type /
Size [bytes] Parameter Description Default value
[unit] Value
range Access
level
2132 Unsigned / 2 Zero Point Adjust‐
ment
Select zero-point adjustment
method. Automatic zero
point adjustment is recom‐
mended.
• 0 = Auto
• 1 = Manual 0 0 to 1 Read /
Write
2133 Float / 4 Manual Zero Point
Offset Enter agreed zero point off‐
set value for manual zero
point adjustment mode. 0 [kg/s] 0 to 1023
Read /
Write
2135 Unsigned / 2 Zero Point Duration Define duration of zero point
adjustment. 30 [s] 1 to 999 Read /
Write
2136 Float / 4 Standard Deviation Standard deviation during
auto zero point adjustment 0 [kg/s] -1023 to
+1023 Read only
2138 Float / 4 Standard Deviation
Limit Set limit for zero point adjust‐
ment Standard Deviation
value. If the Standard Devi‐
ation exceeds the Standard
Deviation Limit, the auto
zero point adjustment is
aborted. Sensor size
specific [kg/
s]
1)
0 to +1023 Read /
Write
2140 Float / 4 Zero Point Offsett Lim‐
it Set limit for zero point offset.
If the zero point offset ex‐
ceeds the zero point offset
limit, the zero point offset
cannot be stored Sensor size
specific [kg/
s]
1)
-1023 to
+1023 Read /
Write
2142 Float / 4 Zero Point Offset Val‐
ue Default zero point offset
based on factory calibration
of sensor.
A Zero point offset compen‐
sates for sensor variations
due to process conditions. 0 [kg/s] -1023 to
+1023 Read only
2144 Unsigned / 2 Zero Point Adjust Pro‐
gress
Shows the progress of the
currently running Zero Point
adjustment in percentage 0 [%] 0 to 100 Read Only
Modbus communication FCT010
C.4 Modbus holding registers tables
SITRANS MASS 2100 & FC300 (FCT010/DSL)
Operating Instructions, 06/2020, A5E39788682-AB
169