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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
317
Process value 3
Table A- 111 Process value 3
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
11202
Unsigned / 2 Process value
Process value config-
ured to be monitored
Disabled
•
3000: Volume flow
•
3004: Mass flow
•
3006: Sound velocity
•
3008: Flow velocity
•
3040: Density
•
3042: Medium tem-
perature
•
3044: Pressure
•
3046: Viscosity
•
3048: RTD tempera-
ture 1
•
3050: RTD tempera-
ture 2
•
65535: Disabled
Read /
write
11298
Float / 4
Maximum value Drag indicator of max-
imum value specified
by Process value
(11202)
Min. floating
point value
[units depend-
ing on pro-
cess value]
-
Read
only
11300
String / 32
Maximum value
timestamp
Shows timestamp of
recorded maximum
value specified by
Process value (11202)
-
Read
only
11280
Float / 4
Minimum value Drag indicator of mini-
mum value specified
by Process value
(11202)
Max. floating
point value
[units depend-
ing on pro-
cess value]
-
Read
only
11282
String / 32
Minimum value
timestamp
Shows timestamp of
recorded minimum
value specified by
Process value (11202)
-
Read
only
11206
Unsigned / 2 Reset logging
Command to reset the
drag pointers to the
process value's default
value.
-
1: reset
Write
only