Siemens SITRANS FST030 - Diagnostics; Sensor

A.9.7 Diagnostics
A.9.7.1 Sensor
Sensor diagnostics
Table A-96 Sensor diagnostics
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
3302 Unsigned / 4 Frontend total
operating time
Operating time of fron‐
tend in hours
-
[h]
- Read
only
3304 Unsigned / 4 Frontend total
operating time
power-up
Operating of frontend
since last power-up
-
[h]
- Read
only
3307 Float / 4 Reynolds num‐
ber
Calculated Reynolds
number
- - Read
only
3319 Unsigned / 2 Path state State of path 1-5.
Bit 0-1: Path 1
Bit 2-3: Path 2
Bit 4-5: Path 3
Bit 6-7: Path 4
Bit 8-9: Path 5
-
● 00: Not installed
● 01: Signal Search
● 10: Frequency
Search
● 11: Measurement
Read
only
Table A-97 Path 1 diagnostics
Modbus
register
Data type /
Size in bytes
Parameter Description Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
3400 Float / 4 RxGain up path
1
Rx gain of upstream
signal
- - Read
only
3402 Float / 4 RxGain down
path 1
Rx gain of downstream
signal
- - Read
only
3404 Float / 4 SNR upstream
path 1
Signal to noise ratio of
upstream signal
- - Read
only
3406 Float / 4 SNR down‐
stream path 1
Signal to noise ratio of
downstream signal
- - Read
only
3408 Float / 4 Sound velocity
path 1
Sound velocity - - Read
only
3410 Float / 4 Flow velocity
path 1
Flow velocity - - Read
only
3412 Float / 4 Delta time path
1
Delta time - - Read
only
3414 Float / 4 Travel time up
path 1
Travel time of up‐
stream signal
- - Read
only
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
300 Operating Instructions, 08/2018, A5E37367739-AD