Assign alarm class
Table A-93 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 NA‐
MUR 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 NA‐
MUR 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-94 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 diag‐
nostic log entry speci‐
fied by Entry number.
Format is YYYY-MM-
DD hh-mm.
- - Read
only
10800 String / 32 Time stamp Time stamp of the diag‐
nostic log entry speci‐
fied by Entry number.
Format is YYYY-MM-
DD hh-mm-ss.
- - Read
only
6623 Unsigned / 2 State Alarm state of the entry
specified by Entry num‐
ber.
-
● 0: Event is reset
(going).
● 1: Event is set
(coming).
● 2: Alarm is
acknowledged.
Read
only
Modbus communication
A.9 Modbus holding registers tables
SITRANS FST030 (Modbus)
Operating Instructions, 08/2018, A5E37367739-AD 291