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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
Operating Instructions, 08/2017, A5E37367739-AC
309
Transmitter temperature
Table A- 103 Transmitter temperature
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
8200
Float / 4
Current value
Measured value of
transmitter internal
temperature
-
-
Read
only
10900
Float / 4
Minimum value Drag indicator of mini-
mum transmitter inter-
nal temperature
Max. floating
point value
[°C]
-
Read
only
10902
String / 32
Minimum value
timestamp
Shows timestamp of
recorded minimum
transmitter internal
temperature
-
Read
only
10918
Float / 4
Maximum value Drag indicator of max-
imum transmitter inter-
nal temperature
Min. floating
point value
[°C]
-
Read
only
10920
String / 32
Maximum value
timestamp
Shows timestamp of
recorded maximum
transmitter internal
temperature
-
Read
only
DSL temperature
Table A- 104 DSL temperature
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
3300
Float / 4
DSL temp
The temperature
measured on the DSL.
-
-
Read
only
3315
Float / 4
DSL temp lower
alarm limit
Lower DSL tempera-
ture alarm limit. When
exceeded an alarm is
reported.
-40.0
[°C]
(1001)
-55.0 to +130.0
Read /
write
3317
Float / 4
DSL temp up-
per alarm limit
Upper DSL tempera-
ture alarm limit. When
exceeded an alarm is
reported.
80.0
[°C]
(1001)
-55.0 to +130.0
Read /
write