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Modbus communication
A.9 Modbus holding registers tables
SITRANS F Ultrasonic flowmeters FST030 (Modbus)
294
Operating Instructions, 08/2017, A5E37367739-AC
Assign alarm class
Table A- 92 Assign alarm class
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
6328
Unsigned / 2 Transmitter
temp. too high
Defines the mapping of
this event to an alarm
class respective
NAMUR status signal.
1
•
1: Process alarm
(PA) resp. Out of
specification.
•
4: Maintenance alarm
(MA) resp. Failure.
Read /
write
6329
Unsigned / 2 Transmitter
temp. too low
Defines the mapping of
this event to an alarm
class respective
NAMUR status signal.
1
•
1: Process alarm
(PA) resp. Out of
specification.
•
4: Maintenance alarm
(MA) resp. Failure.
Read /
write
A.9.6.2
Diagnostic log
Table A- 93 Diagnostic log
Modbus
register
Data type /
Size in bytes
Parameter
Description
Default value
[unit]
(unit register)
Value range /
Setting options
Access
level
6600
Unsigned / 2 Newest entry
number
Entry number of new-
est entry. Older entries
have a smaller entry
number.
(Wrap around from 0 -
100).
-
-
Read
only
6614
Unsigned / 2 Entry number
Selection of the entry
number.
0
0 - 100
Read /
write
6615
String / 16
Time stamp
Time stamp of the
diagnostic log entry
specified by Entry
number.
Format is YYYY-MM-
DD hh-mm.
-
-
Read
only
10800
String / 32
Time stamp
Time stamp of the
diagnostic log entry
specified by Entry
number.
Format is YYYY-MM-
DD hh-mm-ss.
-
-
Read
only