Siemens SITRANS FC410 Operating Instructions Manual page 133

Modbus Data type /
address Size [bytes]
2138 Float / 4
2140 Float / 4
2142 Float / 4
2144 Unsigned /
2
2145 Unsigned /
2
2180 Unsigned /
2
: See Sensor dimension dependent default settings (Page 139)
1)
FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
Parameter Description
Standard Deviation Set limit for zero point ad-
Limit justment Standard Deviation
value. If the Standard De-
viation exceeds the
Standard Deviation Limit,
the auto zero point adjust-
ment is aborted.
Zero Point Offsett Set limit for zero point off-
Limit set.
If the zero point offset
exceeds the zero point
offset limit, the zero point
offset cannot be stored
Zero Point Offset Default zero point offset
Value based on factory calibration
of sensor.
A Zero point offset compen-
sates for sensor variations
due to process conditions.
Zero Point Adjust Shows the progress of the
Progress currently running Zero Point
adjustment in percentage
Zero Point Adjust Status of the last zero point
Status adjustment performed
Every high bit ('1')
represents an error
occurred in the last zero
point adjustment performed.
No high bits equals ok.
Bit 0 = Zero sigma limit
exceeded
Bit 1 = Zero offset limit
exceeded
Bit 2 = Quality of zero point
conditions
Start Zero Point Start automatic zero point
Adjustment adjustment.
The automatic zero point
adjustment determines the
application specific zero
point offset automatically.
Possible selections:
•
•
•
0: Idle
1: Running
2: Start
Modbus holding registers
A.3 Modbus holding registers tables
Default value Value range Access
[unit]
Sensor size 0 to +1023
specific [kg/s]
1)
Sensor size -1023 to
specific [kg/s] +1023
1)
0 [kg/s] -1023 to
+1023
0 [%] 0 to 100
-
1
•
2
•
4
•
0 0 to 2
level
Read /
Write
Read /
Write
Read only
Read Only
Read Only
Read /
Write
131