Diagnostics; Sensor; A.9.7 Diagnostics - Siemens SITRANS F series Operating Instructions Manual

Modbus communication
A.9 Modbus holding registers tables
A.9.7

Diagnostics

A.9.7.1

Sensor

Sensor diagnostics
Table A- 95 Sensor diagnostics
Modbus Data type /
register Size in bytes
3302 Unsigned / 4
3304 Unsigned / 4
3307 Float / 4
3319 Unsigned / 2
Table A- 96 Path 1 diagnostics
Modbus Data type /
register Size in bytes
3400 Float / 4
3402 Float / 4
3404 Float / 4
3406 Float / 4
3408 Float / 4
3410 Float / 4
3412 Float / 4
3414 Float / 4
302
Parameter Description
Frontend total Operating time of
operating time frontend in hours
Frontend total Operating of frontend
operating time since last power-up
power-up
Reynolds num- Calculated Reynolds
ber number
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
Parameter Description
RxGain up path Rx gain of upstream
1 signal
RxGain down Rx gain of downstream
path 1 signal
SNR upstream Signal to noise ratio of
path 1 upstream signal
SNR down- Signal to noise ratio of
stream path 1 downstream signal
Sound velocity Sound velocity
path 1
Flow velocity Flow velocity
path 1
Delta time path Delta time
1
Travel time up Travel time of up-
path 1 stream signal
Default value Value range /
[unit] Setting options
(unit register)
- -
[h]
- -
[h]
- -
-
00: Not installed
•
01: Signal Search
•
10: Frequency
•
Search
11: Measurement
•
Default value Value range /
[unit] Setting options
(unit register)
- -
- -
- -
- -
- -
- -
- -
- -
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
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