Siemens SITRANS FC410, Operating Instructions Manual, Page: 131 / 160

Modbus holding registers
A.3 Modbus holding registers tables
FC410 with Modbus
Operating Instructions, 02/2016, A5E33120874-AC
129
Table A- 10 Device diagnostics
Modbus
address
Data type /
Size [bytes]
Parameter Description Default value
[unit]
Value range Access
level
2756 Float / 4 Driver Current Actual sensor driver current.
The actual driver current is
viscosity and sensor size
dependent
- [A] 0 to 0.124 Read Only
2758 Float / 4 Pick-up Amplitude 1 Actual pick-up 1 amplitude - [V] 0 to 0 9999 Read Only
2760 Float / 4 Pick-up Amplitude 2 Actual pick-up 2 amplitude - [V] 0 to 0 9999 Read Only
2762 Float / 4 Sensor Frequency Actual sensor frequency - [Hz] 0 to 1 023 Read Only
3032 Float / 4 PCB Temperature Actual sensor electronic
temperature
- [C°] -50 to 200 Read Only
Table A- 11 Aerated flow
Modbus
address
Data type /
Size [bytes]
Parameter Description Default value
[unit]
Value range Access
level
2200 Unsigned /
2
Aerated Flow Alarm
Limit
Alarm limit calculated in per
cent of accepted bad
measurements.
80 [%] 0 to 99 Read /
Write
2201 Unsigned /
2
Aerated Flow Warn-
ing Limit
Warning limit calculated in
per cent of accepted bad
measurements
0 [%] 0 to 99 Read /
Write
2202 Unsigned /
2
Measurement Samp-
le Time
The time period over which
the actual percentage of
bad measurements is
calculated
5 [s] 1 to 10 Read /
Write
2203 Unsigned /
2
Aerated Flow Filter Aerated flow filter
0: Disabled
1: Enabled
2: Auto
Auto means that filtering
starts automatically when
aerated flow is measured.
2 0 to 2 Read /
Write
2204 Unsigned /
2
Filter Time Constant PV Filter Time Constant
0: 0.5 seconds
1: 1 second
2: 2 seconds
3: 5 seconds
4: 10 seconds
5: 20 seconds
6: 30 seconds
7: User Defined Value
4 0 to 7 Read /
Write
2205 Float / 4 Filter Start Hystere-
sis
The filter is active when the
hysteresis value is
exceeded.
Aerated Flow Filter must be
set to Auto
0.015 [V] 0 to 0.124 Read /
Write