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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
315
A.9.7.5
Peak values
Process value 1
Table A- 109 Process value 1
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
11200
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
11226
Float / 4
Maximum value Drag indicator of max-
imum value specified
by Process value
(11200)
Min. floating
point value
[units depend-
ing on pro-
cess value]
-
Read
only
11228
String / 32
Maximum value
timestamp
Shows timestamp of
recorded maximum
value specified by
Process value (11200)
-
Read
only
11208
Float / 4
Minimum value Drag indicator of mini-
mum value specified
by Process value
(11200)
Max. floating
point value
[units depend-
ing on pro-
cess value]
-
Read
only
11210
String / 32
Minimum value
timestamp
Shows timestamp of
recorded minimum
value specified by
Process value (11200)
-
Read
only
11204
Unsigned / 2 Reset logging
Command to reset the
drag pointers to the
process value's default
value.
-
1: Reset
Write
only