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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
321
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
6182
Unsigned / 2 Backup
Command to overwrite
the existing backup
data sets.
This ensures that the
current sensor serial
number and transmitter
serial numbers are
updated in the backup
dataset. This enables
the automatic backup.
-
•
1: Overwrite existing
backup files
Write
only
6099
Unsigned / 2 Restore
Command to restore
backup data. Coding is
bitwise.
-
•
Bit 0: Restore sensor
setup parameters
•
Bit 1: Restore sensor
application setup pa-
rameters
•
Bit 2: Restore trans-
mitter application
setup parameters
•
Bit 3: Restore cus-
tomer transmitter
configuration setup
parameters
•
Bit 4: Restore totaliz-
ers
•
Bit 5: Restore system
setup
•
Bit 6: Restore cus-
tomer sensor config-
uration setup
parameters
Write
only
A.9.9.2
Data logging
Table A- 117 Data logging
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
11400
Unsigned / 2 Enable / disable Controls data logging. 0
•
0: Disabled
•
1: Enabled
Read /
write
11401
Unsigned / 2 Data logging
mode
Controls data logging
mode.
0
•
0: Log instantaneous
•
1: Log average value
Read /
write
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